🧬 ULTIMATE TS SSC 10th CLASS BIOLOGY
Complete Question Bank | English Medium
MCQs • Fill in Blanks • 1 Mark • 2 Marks • 4 Marks
100+ Important Questions • Answer Keys • 5 Model Papers
CHAPTER 1: NUTRITION
🔴 HIGH WEIGHTAGE TOPICS
- Photosynthesis
- Autotrophic Nutrition
- Heterotrophic Nutrition
- Human Digestive System
- Digestion
- Enzymes
📝 20 MCQs
1. Green plants prepare food by:
A) Respiration
B) Photosynthesis
C) Excretion
D) Transpiration
A) Respiration
B) Photosynthesis
C) Excretion
D) Transpiration
Answer
B) Photosynthesis
2. Green pigment in plants is:
A) Haemoglobin
B) Chlorophyll
C) Melanin
D) Insulin
A) Haemoglobin
B) Chlorophyll
C) Melanin
D) Insulin
Answer
B) Chlorophyll
3. Plants use which gas for photosynthesis?
A) Oxygen
B) Nitrogen
C) Carbon dioxide
D) Hydrogen
A) Oxygen
B) Nitrogen
C) Carbon dioxide
D) Hydrogen
Answer
C) Carbon dioxide
4. Photosynthesis mainly occurs in:
A) Mitochondria
B) Chloroplast
C) Nucleus
D) Vacuole
A) Mitochondria
B) Chloroplast
C) Nucleus
D) Vacuole
Answer
B) Chloroplast
5. The largest digestive gland is:
A) Pancreas
B) Liver
C) Stomach
D) Kidney
A) Pancreas
B) Liver
C) Stomach
D) Kidney
Answer
B) Liver
6. Bile is produced by:
A) Liver
B) Pancreas
C) Stomach
D) Kidney
A) Liver
B) Pancreas
C) Stomach
D) Kidney
Answer
A) Liver
7. Digestion begins in:
A) Stomach
B) Mouth
C) Small intestine
D) Large intestine
A) Stomach
B) Mouth
C) Small intestine
D) Large intestine
Answer
B) Mouth
8. Chewing of food is called:
A) Respiration
B) Mastication
C) Excretion
D) Absorption
A) Respiration
B) Mastication
C) Excretion
D) Absorption
Answer
B) Mastication
9. Digestion of starch begins in:
A) Mouth
B) Stomach
C) Large intestine
D) Liver
A) Mouth
B) Stomach
C) Large intestine
D) Liver
Answer
A) Mouth
10. Protein digestion begins mainly in:
A) Mouth
B) Stomach
C) Large intestine
D) Rectum
A) Mouth
B) Stomach
C) Large intestine
D) Rectum
Answer
B) Stomach
11. Most absorption occurs in:
A) Mouth
B) Stomach
C) Small intestine
D) Large intestine
A) Mouth
B) Stomach
C) Small intestine
D) Large intestine
Answer
C) Small intestine
12. Undigested food enters:
A) Small intestine
B) Large intestine
C) Liver
D) Pancreas
A) Small intestine
B) Large intestine
C) Liver
D) Pancreas
Answer
B) Large intestine
13. Tiny pores on leaves are:
A) Nephrons
B) Stomata
C) Alveoli
D) Villi
A) Nephrons
B) Stomata
C) Alveoli
D) Villi
Answer
B) Stomata
14. Organisms making their own food are:
A) Consumers
B) Autotrophs
C) Parasites
D) Decomposers
A) Consumers
B) Autotrophs
C) Parasites
D) Decomposers
Answer
B) Autotrophs
15. Human beings show:
A) Autotrophic nutrition
B) Heterotrophic nutrition
C) Photosynthetic nutrition
D) Saprophytic only
A) Autotrophic nutrition
B) Heterotrophic nutrition
C) Photosynthetic nutrition
D) Saprophytic only
Answer
B) Heterotrophic nutrition
16. Enzymes are:
A) Biological catalysts
B) Blood cells
C) Hormones only
D) Waste products
A) Biological catalysts
B) Blood cells
C) Hormones only
D) Waste products
Answer
A) Biological catalysts
17. Food pipe is also called:
A) Trachea
B) Oesophagus
C) Ureter
D) Urethra
A) Trachea
B) Oesophagus
C) Ureter
D) Urethra
Answer
B) Oesophagus
18. Wave-like movement of alimentary canal is:
A) Reflex
B) Peristalsis
C) Circulation
D) Diffusion
A) Reflex
B) Peristalsis
C) Circulation
D) Diffusion
Answer
B) Peristalsis
19. Photosynthesis releases:
A) Nitrogen
B) Oxygen
C) Hydrogen
D) Methane
A) Nitrogen
B) Oxygen
C) Hydrogen
D) Methane
Answer
B) Oxygen
20. Main energy-rich product of photosynthesis is:
A) Glucose
B) Protein
C) Vitamin
D) Mineral
A) Glucose
B) Protein
C) Vitamin
D) Mineral
Answer
A) Glucose✏ 10 FILL IN THE BLANKS
1. Green plants prepare food by _________. Answer: Photosynthesis
2. Green pigment is called _________. Answer: Chlorophyll
3. Plants take _________ from air. Answer: Carbon dioxide
4. Tiny pores on leaves are called _________. Answer: Stomata
5. Digestion begins in the _________. Answer: Mouth
6. Food pipe is called _________. Answer: Oesophagus
7. The largest digestive gland is _________. Answer: Liver
8. Bile is produced by the _________. Answer: Liver
9. Chewing of food is called _________. Answer: Mastication
10. Most nutrients are absorbed in the _________. Answer: Small intestine
⭐ IMPORTANT QUESTIONS
🔴 VERY IMPORTANT
1 MARK: Define nutrition.
Answer
Nutrition is the process by which organisms obtain and utilize food for energy, growth and maintenance.1 MARK: What is photosynthesis?
Answer
Photosynthesis is the process by which green plants prepare food using carbon dioxide, water, sunlight and chlorophyll.1 MARK: What are enzymes?
Answer
Enzymes are biological catalysts that speed up biochemical reactions.
🟠 IMPORTANT
Heterotrophic: Organisms depend on other organisms for food.
2 MARK: Differentiate autotrophic and heterotrophic nutrition.
Answer
Autotrophic: Organisms prepare their own food.Heterotrophic: Organisms depend on other organisms for food.
🔴 VERY IMPORTANT
2. Leaves take carbon dioxide.
3. Chlorophyll absorbs sunlight.
4. Light energy helps form glucose.
5. Oxygen is released.
4 MARK: Explain photosynthesis.
Answer
1. Roots absorb water.2. Leaves take carbon dioxide.
3. Chlorophyll absorbs sunlight.
4. Light energy helps form glucose.
5. Oxygen is released.
🔴 VERY IMPORTANT
2. Food passes through oesophagus.
3. Stomach mixes food with digestive juices.
4. Small intestine completes digestion.
5. Nutrients are absorbed.
6. Waste is removed.
4 MARK: Explain digestion in human beings.
Answer
1. Digestion begins in mouth.2. Food passes through oesophagus.
3. Stomach mixes food with digestive juices.
4. Small intestine completes digestion.
5. Nutrients are absorbed.
6. Waste is removed.
CHAPTER 2: RESPIRATION
📝 20 MCQs
1. Release of energy from food is called:
Answer
Respiration2. Aerobic respiration requires:
Answer
Oxygen3. Gas exchange occurs in:
Answer
Alveoli4. Respiratory pigment is:
Answer
Haemoglobin5. Windpipe is called:
Answer
Trachea6. Anaerobic respiration occurs without:
Answer
Oxygen7. Main respiratory organs are:
Answer
Lungs8. Oxygen enters blood through:
Answer
Alveoli9. Carbon dioxide is mainly removed through:
Answer
Lungs10. Breathing includes:
Answer
Inhalation and exhalation11. Aerobic respiration releases:
Answer
More energy12. Anaerobic respiration releases:
Answer
Less energy13. Energy currency of cells is:
Answer
ATP14. Cellular respiration mainly occurs in:
Answer
Mitochondria15. Diaphragm helps in:
Answer
Breathing16. Human beings inhale:
Answer
Oxygen-rich air17. Human beings exhale more:
Answer
Carbon dioxide18. Alveoli provide a large:
Answer
Surface area19. Respiration is essential for:
Answer
Energy release20. Muscles may undergo anaerobic respiration during:
Answer
Heavy exercise✏ 10 FILL IN THE BLANKS
1. Energy is released by _________. Respiration
2. Aerobic respiration requires _________. Oxygen
3. Gas exchange occurs in _________. Alveoli
4. Windpipe is called _________. Trachea
5. Energy currency is _________. ATP
6. Cellular respiration occurs mainly in _________. Mitochondria
7. Main respiratory organs are _________. Lungs
8. Exhaled air contains more _________. Carbon dioxide
9. _________ helps in breathing. Diaphragm
10. Respiration without oxygen is _________ respiration. Anaerobic
⭐ IMPORTANT QUESTIONS
1 MARK: Define respiration.
Answer
Respiration is the process of releasing energy from food.1 MARK: What is aerobic respiration?
Answer
Respiration in the presence of oxygen is called aerobic respiration.
🔴 VERY IMPORTANT
Anaerobic respiration occurs without oxygen and releases less energy.
2 MARK: Differentiate aerobic and anaerobic respiration.
Answer
Aerobic respiration occurs in the presence of oxygen and releases more energy.Anaerobic respiration occurs without oxygen and releases less energy.
🔴 VERY IMPORTANT
2. Air passes through trachea.
3. Air reaches lungs.
4. Gas exchange occurs in alveoli.
5. Oxygen enters blood.
6. Carbon dioxide is removed.
4 MARK: Explain respiration in human beings.
Answer
1. Air enters nostrils.2. Air passes through trachea.
3. Air reaches lungs.
4. Gas exchange occurs in alveoli.
5. Oxygen enters blood.
6. Carbon dioxide is removed.
CHAPTER 3: TRANSPORTATION
📝 20 MCQs
1. Pumping organ of the body:
Answer
Heart2. Oxygen is transported by:
Answer
Haemoglobin3. Blood clotting is helped by:
Answer
Platelets4. WBC help in:
Answer
Defence5. Liquid part of blood:
Answer
Plasma6. Human heart has:
Answer
Four chambers7. Arteries carry blood:
Answer
Away from heart8. Veins carry blood:
Answer
Towards heart9. Smallest blood vessels:
Answer
Capillaries10. Blood contains:
Answer
RBC, WBC, platelets and plasma11. Double circulation occurs in:
Answer
Humans12. Blood pressure is related to:
Answer
Force of blood on vessel walls13. Lymph is generally:
Answer
Colourless/pale fluid14. Xylem transports:
Answer
Water and minerals15. Phloem transports:
Answer
Food16. RBC contain:
Answer
Haemoglobin17. Heart is made mainly of:
Answer
Muscle18. Oxygenated blood is pumped to body by:
Answer
Left ventricle19. Blood circulation helps transport:
Answer
Materials throughout body20. Transportation in plants uses:
Answer
Xylem and phloem✏ 10 FILL IN THE BLANKS
1. The pumping organ is _________. Heart
2. Oxygen is carried by _________. Haemoglobin
3. Blood clotting is helped by _________. Platelets
4. Liquid part of blood is _________. Plasma
5. White blood cells provide _________. Defence
6. Water is transported through _________. Xylem
7. Food is transported through _________. Phloem
8. Smallest blood vessels are _________. Capillaries
9. Arteries carry blood _________ from heart. Away
10. Veins carry blood _________ heart. Towards
⭐ IMPORTANT QUESTIONS
1 MARK: What is transportation?
Answer
Transportation is the movement of materials such as food, gases and wastes within an organism.1 MARK: Name the components of blood.
Answer
RBC, WBC, platelets and plasma.2 MARK: Write functions of RBC.
Answer
RBC contain haemoglobin and transport oxygen.
🔴 VERY IMPORTANT
2. It is pumped to lungs.
3. Blood receives oxygen.
4. Oxygenated blood returns to heart.
5. Heart pumps oxygenated blood to the body.
4 MARK: Explain double circulation.
Answer
1. Deoxygenated blood enters heart.2. It is pumped to lungs.
3. Blood receives oxygen.
4. Oxygenated blood returns to heart.
5. Heart pumps oxygenated blood to the body.
CHAPTER 4: EXCRETION
📝 20 MCQs
1. Main excretory organs are:
Answer
Kidneys2. Functional unit of kidney:
Answer
Nephron3. Artificial purification of blood:
Answer
Dialysis4. Urine is stored in:
Answer
Urinary bladder5. Urine passes from kidney through:
Answer
Ureters6. Removal of metabolic waste is:
Answer
Excretion7. Structural unit of kidney:
Answer
Nephron8. Main nitrogenous waste in humans:
Answer
Urea9. Kidneys filter:
Answer
Blood10. Useful substances are:
Answer
Reabsorbed11. Plants may remove wastes through:
Answer
Leaves12. Sweat is removed through:
Answer
Skin13. Carbon dioxide is removed through:
Answer
Lungs14. Urine leaves body through:
Answer
Urethra15. Pair of organs filtering blood:
Answer
Kidneys16. Nephron performs:
Answer
Filtration and urine formation17. Excess water is regulated by:
Answer
Kidneys18. Urea is a:
Answer
Nitrogenous waste19. Excretion maintains:
Answer
Internal balance20. Urine formation includes:
Answer
Filtration and reabsorption✏ 10 FILL IN THE BLANKS
1. Main excretory organ is _________. Kidney
2. Functional unit of kidney is _________. Nephron
3. Artificial kidney process is _________. Dialysis
4. Urine is stored in _________. Urinary bladder
5. Urine passes through _________ from kidneys. Ureters
6. Main nitrogenous waste is _________. Urea
7. Kidneys filter _________. Blood
8. Carbon dioxide is removed by _________. Lungs
9. Sweat is removed through _________. Skin
10. Urine leaves through _________. Urethra
⭐ IMPORTANT QUESTIONS
1 MARK: Define excretion.
Answer
Removal of metabolic wastes from the body is called excretion.1 MARK: What is nephron?
Answer
Nephron is the structural and functional unit of the kidney.
🔴 VERY IMPORTANT
2. Useful substances are reabsorbed.
3. Waste substances remain.
4. Urine is formed.
5. Urine passes to bladder.
4 MARK: Explain urine formation.
Answer
1. Blood is filtered.2. Useful substances are reabsorbed.
3. Waste substances remain.
4. Urine is formed.
5. Urine passes to bladder.
CHAPTER 5: COORDINATION
📝 20 MCQs
1. Structural unit of nervous system:
Answer
Neuron2. Control centre of body:
Answer
Brain3. Quick automatic response:
Answer
Reflex action4. Reflex centre often involved:
Answer
Spinal cord5. Neuron carries:
Answer
Nerve impulses6. A change causing response is:
Answer
Stimulus7. Hormones are secreted by:
Answer
Endocrine glands8. Response organ is:
Answer
Effector9. Sensory neurons carry impulses to:
Answer
Central nervous system10. Motor neurons carry impulses to:
Answer
Effectors11. Brain is protected by:
Answer
Skull12. Nervous system helps in:
Answer
Coordination13. Reflex action is generally:
Answer
Quick14. Plant hormones help in:
Answer
Growth and responses15. Nervous coordination uses:
Answer
Impulses16. Chemical coordination uses:
Answer
Hormones17. Endocrine glands are generally:
Answer
Ductless18. Reflex pathway is called:
Answer
Reflex arc19. Coordination allows organs to:
Answer
Work together20. Brain and spinal cord form:
Answer
Central nervous system✏ 10 FILL IN THE BLANKS
1. Structural unit of nervous system is _________. Neuron
2. Control centre is _________. Brain
3. Automatic response is _________. Reflex action
4. A change causing response is _________. Stimulus
5. Hormones are secreted by _________ glands. Endocrine
6. Reflex pathway is called _________. Reflex arc
7. Sensory neuron carries impulse to _________. CNS
8. Motor neuron carries impulse to _________. Effector
9. Brain is protected by _________. Skull
10. Brain and spinal cord form _________. CNS
⭐ IMPORTANT QUESTIONS
1 MARK: What is a neuron?
Answer
Neuron is the structural and functional unit of nervous system.1 MARK: Define reflex action.
Answer
A quick and automatic response to a stimulus is called reflex action.
🔴 VERY IMPORTANT
2. Sensory neuron carries impulse.
3. Spinal cord processes information.
4. Motor neuron carries impulse.
5. Effector produces response.
4 MARK: Explain reflex action.
Answer
1. Receptor receives stimulus.2. Sensory neuron carries impulse.
3. Spinal cord processes information.
4. Motor neuron carries impulse.
5. Effector produces response.
CHAPTER 6: REPRODUCTION
📝 20 MCQs
1. Reproduction produces:
Answer
Offspring2. Asexual reproduction involves:
Answer
One parent3. Sexual reproduction involves:
Answer
Fusion of gametes4. Transfer of pollen is:
Answer
Pollination5. Fusion of gametes is:
Answer
Fertilisation6. Binary fission occurs in:
Answer
Single-celled organisms7. Budding is a type of:
Answer
Asexual reproduction8. Vegetative propagation occurs in:
Answer
Plants9. Pollen is produced in:
Answer
Anther10. Pollen lands on:
Answer
Stigma11. Male and female gametes form:
Answer
Zygote12. Reproduction ensures:
Answer
Continuity of species13. Spore formation is common in:
Answer
Some fungi and plants14. Fragmentation is:
Answer
Asexual reproduction15. Sexual reproduction creates more:
Answer
Variation16. New organism develops from:
Answer
Zygote17. Gametes are reproductive:
Answer
Cells18. Flower is a reproductive structure of:
Answer
Flowering plants19. Pollination may be:
Answer
Self or cross20. Reproduction is important for:
Answer
Species continuity✏ 10 FILL IN THE BLANKS
1. New individuals are called _________. Offspring
2. One-parent reproduction is _________ reproduction. Asexual
3. Fusion of gametes is called _________. Fertilisation
4. Transfer of pollen is _________. Pollination
5. Pollen is produced in _________. Anther
6. Pollen lands on _________. Stigma
7. Fusion of gametes forms a _________. Zygote
8. Budding is _________ reproduction. Asexual
9. Reproductive cells are called _________. Gametes
10. Reproduction ensures continuity of _________. Species
⭐ IMPORTANT QUESTIONS
1 MARK: Define reproduction.
Answer
Reproduction is the process by which organisms produce new individuals of their own kind.1 MARK: What is pollination?
Answer
Transfer of pollen grains from anther to stigma is called pollination.
🟠 IMPORTANT
Asexual reproduction occurs without fusion of gametes and usually involves one parent.
2 MARK: Differentiate sexual and asexual reproduction.
Answer
Sexual reproduction involves fusion of gametes.Asexual reproduction occurs without fusion of gametes and usually involves one parent.
🔴 VERY IMPORTANT
2. Budding
3. Fragmentation
4. Spore formation
5. Vegetative propagation
4 MARK: Explain modes of asexual reproduction.
Answer
1. Binary fission2. Budding
3. Fragmentation
4. Spore formation
5. Vegetative propagation
CHAPTER 7: COORDINATION IN LIFE PROCESSES
📝 20 MCQs
1. Chewing is called:
Answer
Mastication2. Wave-like movement is:
Answer
Peristalsis3. Digestion starts in:
Answer
Mouth4. Saliva helps digest:
Answer
Starch5. Food pipe is:
Answer
Oesophagus6. Food is mixed in:
Answer
Stomach7. Most absorption occurs in:
Answer
Small intestine8. Hunger is related to:
Answer
Coordination and regulation9. Taste receptors are mainly on:
Answer
Tongue10. Smell receptors are in:
Answer
Nose11. Food bolus is formed in:
Answer
Mouth12. Saliva moistens:
Answer
Food13. Digestion is coordinated by:
Answer
Nervous and chemical signals14. Teeth help in:
Answer
Mechanical breakdown15. Tongue helps in:
Answer
Mixing and swallowing16. Stomach secretes:
Answer
Digestive juices17. Intestinal movement is coordinated through:
Answer
Nervous and muscular activity18. Digestion converts food into:
Answer
Absorbable substances19. Peristalsis helps move:
Answer
Food20. Coordination ensures processes work:
Answer
Together✏ 10 FILL IN THE BLANKS
1. Chewing is called _________. Mastication
2. Wave-like movement is _________. Peristalsis
3. Digestion starts in _________. Mouth
4. Saliva begins digestion of _________. Starch
5. Food pipe is _________. Oesophagus
6. Taste receptors are mainly on _________. Tongue
7. Smell receptors are in _________. Nose
8. Food is mixed with juices in _________. Stomach
9. Nutrients are mainly absorbed in _________. Small intestine
10. Peristalsis moves _________ through the canal. Food
⭐ IMPORTANT QUESTIONS
1 MARK: What is mastication?
Answer
The process of chewing food with teeth is called mastication.1 MARK: What is peristalsis?
Answer
The wave-like movement that pushes food through the alimentary canal is called peristalsis.
🔴 VERY IMPORTANT
2. Tongue mixes food.
3. Saliva moistens food.
4. Salivary enzyme begins starch digestion.
5. Food forms a bolus for swallowing.
4 MARK: Explain the role of mouth in digestion.
Answer
1. Teeth break food.2. Tongue mixes food.
3. Saliva moistens food.
4. Salivary enzyme begins starch digestion.
5. Food forms a bolus for swallowing.
CHAPTER 8: HEREDITY AND EVOLUTION
📝 20 MCQs
1. Father of Genetics:
Answer
Gregor Mendel2. Unit of heredity:
Answer
Gene3. Structures carrying genes:
Answer
Chromosomes4. Differences among individuals:
Answer
Variation5. Natural selection theory:
Answer
Charles Darwin6. Preserved remains of ancient organisms:
Answer
Fossils7. Transmission of traits:
Answer
Heredity8. Gradual changes over generations:
Answer
Evolution9. Mendel experimented on:
Answer
Pea plants10. Strongly expressed trait:
Answer
Dominant11. Masked trait:
Answer
Recessive12. Variation helps in:
Answer
Adaptation and evolution13. Fossils provide evidence for:
Answer
Evolution14. DNA carries:
Answer
Genetic information15. Organisms compete for:
Answer
Survival16. Better adapted organisms tend to:
Answer
Survive and reproduce17. Useful variations may be:
Answer
Inherited18. Mendel studied inheritance of:
Answer
Characters19. Heredity passes traits from:
Answer
Parents to offspring20. Evolution occurs over:
Answer
Long periods✏ 10 FILL IN THE BLANKS
1. Father of Genetics is _________. Gregor Mendel
2. Basic unit of heredity is _________. Gene
3. Genes are present on _________. Chromosomes
4. Differences among individuals are _________. Variations
5. Natural selection was proposed by _________. Darwin
6. Preserved remains are called _________. Fossils
7. Transmission of traits is _________. Heredity
8. Gradual change over generations is _________. Evolution
9. Mendel worked on _________ plants. Pea
10. Strong trait is called _________. Dominant
⭐ IMPORTANT QUESTIONS
1 MARK: What is heredity?
Answer
Transmission of characters from parents to offspring is called heredity.1 MARK: What is variation?
Answer
Differences among individuals of the same species are called variations.1 MARK: What are fossils?
Answer
Preserved remains or traces of ancient organisms are called fossils.
🔴 VERY IMPORTANT
2. He studied inheritance.
3. He explained dominant and recessive traits.
4. He proposed principles of inheritance.
5. He is known as Father of Genetics.
4 MARK: Explain Mendel's contribution.
Answer
1. Mendel experimented on pea plants.2. He studied inheritance.
3. He explained dominant and recessive traits.
4. He proposed principles of inheritance.
5. He is known as Father of Genetics.
🔴 VERY IMPORTANT
2. Variations exist.
3. Organisms compete for survival.
4. Better adapted organisms survive.
5. Useful traits pass to future generations.
4 MARK: Explain Darwin's Natural Selection.
Answer
1. Organisms produce many offspring.2. Variations exist.
3. Organisms compete for survival.
4. Better adapted organisms survive.
5. Useful traits pass to future generations.
CHAPTER 9: OUR ENVIRONMENT
📝 20 MCQs
1. Green plants are:
Answer
Producers2. Animals are generally:
Answer
Consumers3. Organisms breaking dead matter:
Answer
Decomposers4. Living and non-living interaction:
Answer
Ecosystem5. Transfer of energy sequence:
Answer
Food chain6. Interconnected food chains:
Answer
Food web7. Plants are biotic:
Answer
Components8. Water is an:
Answer
Abiotic component9. Sunlight provides:
Answer
Energy10. First trophic level:
Answer
Producers11. Herbivores are:
Answer
Primary consumers12. Decomposers recycle:
Answer
Nutrients13. Ecosystem includes:
Answer
Biotic and abiotic components14. Food chains show flow of:
Answer
Energy15. Producers prepare:
Answer
Food16. Consumers depend on:
Answer
Other organisms17. Decomposition helps:
Answer
Recycle matter18. Environment includes:
Answer
Living and non-living surroundings19. Biodiversity refers to:
Answer
Variety of life20. Pollution affects:
Answer
Environment✏ 10 FILL IN THE BLANKS
1. Green plants are _________. Producers
2. Animals are _________. Consumers
3. Dead matter is broken down by _________. Decomposers
4. A sequence of feeding is a _________. Food chain
5. Connected food chains form a _________. Food web
6. Living components are _________ components. Biotic
7. Water and air are _________ components. Abiotic
8. First trophic level consists of _________. Producers
9. Herbivores are _________ consumers. Primary
10. Variety of life is called _________. Biodiversity
⭐ IMPORTANT QUESTIONS
1 MARK: Define ecosystem.
Answer
An ecosystem consists of living organisms and their physical environment interacting with each other.1 MARK: What is a food chain?
Answer
A sequence showing transfer of food and energy from one organism to another is called a food chain.
🔴 VERY IMPORTANT
Abiotic components: Air, water, soil, sunlight and temperature.
Biotic components include producers, consumers and decomposers.
4 MARK: Explain components of an ecosystem.
Answer
Biotic components: Plants, animals and microorganisms.Abiotic components: Air, water, soil, sunlight and temperature.
Biotic components include producers, consumers and decomposers.
CHAPTER 10: NATURAL RESOURCES
📝 20 MCQs
1. Solar energy is:
Answer
Renewable resource2. Coal is:
Answer
Non-renewable resource3. Wind energy is:
Answer
Renewable4. Petroleum is:
Answer
Non-renewable5. First waste management principle:
Answer
Reduce6. Using an item again:
Answer
Reuse7. Converting waste into useful materials:
Answer
Recycle8. Resources obtained from nature:
Answer
Natural resources9. Forests are important for:
Answer
Ecological balance10. Water conservation prevents:
Answer
Wastage11. Fossil fuels include:
Answer
Coal and petroleum12. Renewable resources can be:
Answer
Naturally replenished13. Non-renewable resources take:
Answer
Long time to form14. Conservation means:
Answer
Wise use and protection15. Rainwater harvesting helps:
Answer
Conserve water16. Excess consumption leads to:
Answer
Resource depletion17. Forests provide:
Answer
Habitat and resources18. Recycling reduces:
Answer
Waste19. Sustainable use protects:
Answer
Future needs20. Natural resources should be:
Answer
Conserved✏ 10 FILL IN THE BLANKS
1. Solar energy is a _________ resource. Renewable
2. Coal is a _________ resource. Non-renewable
3. Using less is called _________. Reduce
4. Using an item again is _________. Reuse
5. Processing waste into new material is _________. Recycle
6. Resources obtained from nature are _________ resources. Natural
7. Wise use of resources is called _________. Conservation
8. Coal and petroleum are _________ fuels. Fossil
9. Wind energy is _________. Renewable
10. Water can be conserved through rainwater _________. Harvesting
⭐ IMPORTANT QUESTIONS
1 MARK: What are natural resources?
Answer
Resources obtained from nature and used by living organisms are called natural resources.2 MARK: Differentiate renewable and non-renewable resources.
Answer
Renewable resources can be naturally replenished. Non-renewable resources take very long periods to form and cannot be quickly replaced.
🔴 VERY IMPORTANT
2. Reuse – use items again.
3. Recycle – convert waste into useful materials.
4. Recover – obtain useful material or energy from waste.
4 MARK: Explain the 4R principles.
Answer
1. Reduce – avoid unnecessary consumption.2. Reuse – use items again.
3. Recycle – convert waste into useful materials.
4. Recover – obtain useful material or energy from waste.
📌 CHAPTER-WISE QUICK ANSWER KEY
Chapter 1: Nutrition
Photosynthesis, Chlorophyll, Carbon dioxide, Chloroplast, Liver, Bile, Mouth, Mastication, Starch digestion, Small intestine, Stomata, Autotrophs, Enzymes, Oesophagus, Peristalsis.
Chapter 2: Respiration
Respiration, Oxygen, Alveoli, Haemoglobin, Trachea, Aerobic respiration, Anaerobic respiration, ATP, Mitochondria, Diaphragm.
Chapter 3: Transportation
Heart, Haemoglobin, Platelets, RBC, WBC, Plasma, Arteries, Veins, Capillaries, Xylem, Phloem.
Chapter 4: Excretion
Kidney, Nephron, Urea, Ureters, Urinary bladder, Urethra, Dialysis, Filtration, Reabsorption.
Chapter 5: Coordination
Neuron, Brain, Stimulus, Reflex action, Reflex arc, Spinal cord, Hormones, Endocrine glands.
Chapter 6: Reproduction
Offspring, Asexual, Sexual, Pollination, Fertilisation, Gametes, Zygote, Budding, Binary fission.
Chapter 7: Coordination in Life Processes
Mastication, Peristalsis, Mouth, Saliva, Tongue, Oesophagus, Stomach, Small intestine.
Chapter 8: Heredity and Evolution
Mendel, Gene, Chromosome, Variation, Darwin, Fossils, Heredity, Evolution, Dominant, Recessive.
Chapter 9: Our Environment
Producers, Consumers, Decomposers, Ecosystem, Food chain, Food web, Biotic, Abiotic, Biodiversity.
Chapter 10: Natural Resources
Renewable, Non-renewable, Reduce, Reuse, Recycle, Conservation, Fossil fuels, Rainwater harvesting.
📝 TS SSC BIOLOGY MODEL PAPER – 1
PART A – MCQs
- Define photosynthesis.
- Where does gas exchange occur?
- What is the pumping organ?
- What is nephron?
- What is neuron?
- Define pollination.
- Who is Father of Genetics?
- What are producers?
- Give one renewable resource.
- What is a food chain?
PART B – SHORT ANSWERS
- Define nutrition.
- Define respiration.
- Name blood components.
- Define excretion.
- What is reflex action?
- Define reproduction.
- What is heredity?
- What are fossils?
- Define ecosystem.
- Define natural resources.
PART C – LONG ANSWERS
- Explain photosynthesis.
- Explain respiration in humans.
- Explain double circulation.
- Explain urine formation.
- Explain reflex action.
📝 TS SSC BIOLOGY MODEL PAPER – 2
IMPORTANT QUESTIONS
- Write the equation of photosynthesis.
- Differentiate autotrophic and heterotrophic nutrition.
- Explain digestion in humans.
- Differentiate aerobic and anaerobic respiration.
- Explain gas exchange.
- Write functions of RBC.
- Explain blood circulation.
- What is dialysis?
- Explain nephron.
- Explain urine formation.
- Draw and label neuron.
- Explain reflex arc.
- Differentiate sexual and asexual reproduction.
- Explain pollination and fertilisation.
- State Mendel's contribution.
- Explain variation.
- Explain natural selection.
- Explain food chain and food web.
- Explain ecosystem.
- Explain conservation of resources.
📝 TS SSC BIOLOGY MODEL PAPER – 3
SECTION A – 1 MARK
- What is chlorophyll?
- What is alveolus?
- What is plasma?
- What is urea?
- What is stimulus?
- What is fertilisation?
- What is a gene?
- What is evolution?
- What is biodiversity?
- What is recycling?
SECTION B – 2 MARK
- Write two functions of liver.
- Differentiate inhalation and exhalation.
- Differentiate arteries and veins.
- What is dialysis?
- Differentiate sensory and motor neurons.
- What is vegetative propagation?
- Differentiate heredity and variation.
- What is natural selection?
- Differentiate food chain and food web.
- Differentiate renewable and non-renewable resources.
SECTION C – 4 MARK
- Explain photosynthesis.
- Explain human respiration.
- Explain blood circulation.
- Explain urine formation.
- Explain Darwin's theory.
📝 TS SSC BIOLOGY MODEL PAPER – 4
HIGH PRIORITY REVISION TEST
- Define nutrition.
- Write photosynthesis equation.
- Explain role of chlorophyll.
- Define respiration.
- Explain aerobic respiration.
- Draw respiratory system.
- Name blood components.
- Explain double circulation.
- Draw nephron.
- Explain urine formation.
- What is a neuron?
- Explain reflex action.
- Define reproduction.
- Explain asexual reproduction.
- What is heredity?
- Explain Mendel's work.
- Define evolution.
- Explain food chain.
- Define ecosystem.
- Explain 4R principles.
🏆 TS SSC BIOLOGY GRAND MODEL PAPER – 5
SECTION A – MCQs
- Green pigment in plants?
- Gas used in aerobic respiration?
- Pumping organ?
- Functional unit of kidney?
- Structural unit of nervous system?
- Transfer of pollen?
- Unit of heredity?
- Father of Genetics?
- Organisms breaking dead matter?
- Solar energy is which resource?
SECTION B – 1 MARK
- Define nutrition.
- Define photosynthesis.
- Define respiration.
- What is alveolus?
- What is transportation?
- What is nephron?
- What is reflex action?
- Define reproduction.
- What is heredity?
- Define ecosystem.
SECTION C – 2 MARK
- Autotrophic vs heterotrophic nutrition.
- Aerobic vs anaerobic respiration.
- Functions of RBC.
- Functions of kidney.
- Neuron and its function.
- Sexual vs asexual reproduction.
- Heredity vs variation.
- Food chain vs food web.
- Renewable vs non-renewable resources.
- Explain conservation.
SECTION D – 4 MARK
- Explain photosynthesis.
- Explain digestion.
- Explain human respiration.
- Explain double circulation.
- Explain urine formation.
- Explain reflex action.
- Explain asexual reproduction.
- Explain Mendel's contribution.
- Explain natural selection.
- Explain ecosystem components.
🔥 100+ MOST IMPORTANT BIOLOGY QUESTIONS
🔴 TOP PRIORITY
- Define nutrition.
- Explain photosynthesis.
- Write photosynthesis equation.
- Differentiate autotrophic and heterotrophic nutrition.
- Explain human digestion.
- Define respiration.
- Differentiate aerobic and anaerobic respiration.
- Explain human respiratory system.
- Explain gas exchange in alveoli.
- Name blood components.
- Explain functions of RBC.
- Explain double circulation.
- Draw human heart.
- Define excretion.
- What is nephron?
- Explain urine formation.
- What is dialysis?
- Define coordination.
- What is neuron?
- Explain reflex action.
- Draw reflex arc.
- Define reproduction.
- Differentiate sexual and asexual reproduction.
- Explain pollination.
- Explain fertilisation.
- Explain asexual reproduction.
- Define heredity.
- What is a gene?
- What is variation?
- Explain Mendel's contribution.
- Define evolution.
- What are fossils?
- Explain natural selection.
- Define ecosystem.
- Explain ecosystem components.
- Define food chain.
- Define food web.
- Explain producers, consumers and decomposers.
- Define natural resources.
- Differentiate renewable and non-renewable resources.
- Explain 4R principles.
✏ MOST IMPORTANT DIAGRAMS
- Human Digestive System
- Stomata
- Human Respiratory System
- Alveoli
- Human Heart
- Blood Cells
- Human Excretory System
- Nephron
- Neuron
- Human Brain
- Reflex Arc
- Flower Structure
- Food Chain
- Ecosystem
📅 10 DAY ULTIMATE REVISION PLAN
Day 1: Nutrition + 20 MCQs + Important Questions
Day 2: Respiration + Diagram Practice
Day 3: Transportation + Human Heart
Day 4: Excretion + Nephron
Day 5: Coordination + Reflex Arc
Day 6: Reproduction + Flower Diagram
Day 7: Coordination in Life Processes
Day 8: Heredity and Evolution
Day 9: Our Environment + Natural Resources
Day 10: All 5 Model Papers + Final Revision