SOF NSO Class 3 Living and Non-Living Things

SOF NSO Class 3 Living and Non-Living Things

Chapter 1: Living and Non-Living Things | Class 3 / Level-1 & Level-2 NSO Pattern
30 Higher Order Thinking Skills (HOTS) & Multiple Choice Questions

 

SECTION A: MULTIPLE CHOICE QUESTIONS (1 – 30)

Q1. Which of the following animals breathes through both lungs and skin during different stages or conditions of its life cycle?

  1. A) Grasshopper
  2. B) Fish
  3. C) Frog
  4. D) Earthworm

Q2. Match the following living organisms with their respective lifespans as per the chapter text:
(i) Housefly        – (p) 150 years
(ii) Dog            – (q) 1 month
(iii) Giant tortoise – (r) 13 years
(iv) Pine tree      – (s) 300 years

  1. A) (i)-q, (ii)-r, (iii)-p, (iv)-s
  2. B) (i)-r, (ii)-q, (iii)-p, (iv)-s
  3. C) (i)-q, (ii)-r, (iii)-s, (iv)-p
  4. D) (i)-p, (ii)-r, (iii)-q, (iv)-s

Q3. Which of the following statements correctly highlights a similarity between living and non-living things?

  1. A) Both reproduce their own kind to maintain their species.
  2. B) Both occupy space and have weight.
  3. C) Both react actively to light, touch, and temperature changes.
  4. D) Both undergo natural growth and eventual death.

Q4. Select the INCORRECT match regarding the breathing organs of animals:

  1. A) Fish – Gills
  2. B) Grasshopper – Air holes (Spiracles)
  3. C) Human – Lungs
  4. D) Mosquito – Skin and Lungs

Q5. A sensitive plant like ‘Mimosa pudica’ (Touch-me-not) folds its leaves immediately upon being touched. Which characteristic of living things does this experiment directly demonstrate?

  1. A) Living things need food to gain energy.
  2. B) Living things show response to external stimuli (movement/feeling).
  3. C) Living things reproduce young ones of their own kind.
  4. D) Living things breathe through microscopic stomata.

Q6. Read the following two statements and choose the correct option:
Statement 1: Plants depend on soil to take in water through their roots.
Statement 2: Non-living things neither require food nor water to survive.

  1. A) Both Statement 1 and Statement 2 are true.
  2. B) Both Statement 1 and Statement 2 are false.
  3. C) Statement 1 is true but Statement 2 is false.
  4. D) Statement 1 is false but Statement 2 is true.

Q7. Identify the organism that produces the largest egg in the world:

  1. A) Hen
  2. B) Parrot
  3. C) Ostrich
  4. D) Eagle

Q8. Microscopic tiny pores present on the epidermis/surface of plant leaves used for breathing/gas exchange are called:

  1. A) Gills
  2. B) Air holes
  3. C) Stomata
  4. D) Roots

Q9. Four items are listed below:
1. Car
2. Sunflower
3. Cloud
4. Robot
Which of these can move, but is STILL categorized as a NON-LIVING thing?

  1. A) Only 2
  2. B) 1, 3 and 4 only
  3. C) 1 and 4 only
  4. D) 2 and 3 only

Q10. Which of the following animals gives direct birth to babies (reproduces by giving birth) rather than laying eggs?

  1. A) Hen
  2. B) Bitch (Dog)
  3. C) Pigeon
  4. D) Turtle

Q11. According to the lifespan chart in the textbook, arrange the following living organisms in INCREASING order of their lifespans:
Marigold plant, Dog, Carp fish, Mango tree

  1. A) Marigold plant < Dog < Carp fish < Mango tree
  2. B) Dog < Marigold plant < Mango tree < Carp fish
  3. C) Marigold plant < Dog < Mango tree = Carp fish
  4. D) Marigold plant < Carp fish < Dog < Mango tree

Q12. A potted plant was kept inside a dark room for a few days and watered regularly. Its leaves turned pale and lifeless. What essential factor for living plant survival was missing?

  1. A) Water
  2. B) Oxygen
  3. C) Sunlight
  4. D) Soil nutrients

Q13. Which of the following carnivorous plants actively traps and eats insects for extra nutrition?

  1. A) Pine plant
  2. B) Venus flytrap
  3. C) Marigold plant
  4. D) Rose plant

Q14. Three students made statements about non-living things:
Rohan: Non-living things were never alive or made of non-living materials.
Sita: A wooden chair is a non-living thing made from a once-living tree.
Amit: Non-living things can breathe if electricity is provided.
Who among them made correct statements?

  1. A) Rohan and Sita
  2. B) Only Sita
  3. C) Sita and Amit
  4. D) Only Rohan

Q15. Which group contains ONLY herbivorous animals (animals that eat only plants/plant parts)?

  1. A) Cow, Rabbit, Goat
  2. B) Lion, Tiger, Jackal
  3. C) Bear, Squirrel, Crow
  4. D) Tiger, Cow, Rabbit

Q16. Which of the following is an omnivorous animal (eats both plant products and flesh of other animals)?

  1. A) Cow
  2. B) Bear
  3. C) Lion
  4. D) Tiger

Q17. Why do animals move from one place to another?

  1. A) In search of food
  2. B) In search of shelter and protection
  3. C) In search of water
  4. D) All of the above

Q18. A seed planted in soil develops into a baby plant (seedling). This process proves that:

  1. A) Plants move from place to place
  2. B) Plants reproduce and grow
  3. C) Plants breathe through lungs
  4. D) Seeds are non-living forever

Q19. Which feature is unique to non-living things when compared to living things?

  1. A) They can occupy physical space.
  2. B) They have weight/mass.
  3. C) They do not have a natural lifespan and do not undergo natural death.
  4. D) They can be affected by weather conditions like heat or cold.

Q20. Sunflower turns its face toward the Sun throughout the day. This is an example of:

  1. A) Reproduction in plants
  2. B) Movement in response to light in plants
  3. C) Excretion of plant waste
  4. D) Breathing through stomata

Q21. Look at the list: [Elephant, Pine Tree, Housefly, Marigold]. Which of these has the SHORTEST lifespan?

  1. A) Pine Tree
  2. B) Elephant
  3. C) Marigold
  4. D) Housefly

Q22. Look at the list: [Elephant, Pine Tree, Housefly, Marigold]. Which of these has the LONGEST lifespan?

  1. A) Pine Tree (300 years)
  2. B) Elephant (35 years)
  3. C) Giant Tortoise (150 years)
  4. D) Mango Tree (100 years)

Q23. An empty plastic bottle and a heavy stone are both kept outdoors. Rain and wind affect both over time. This proves that:

  1. A) Plastic bottle is living while stone is non-living.
  2. B) Both living and non-living things are affected by climatic conditions.
  3. C) Non-living things can grow larger when exposed to rain.
  4. D) Stone can reproduce smaller stones.

Q24. In the ‘Tickle Your Brain’ section, why do wooden doors and windows swell during rainy seasons?

  1. A) Wood is a living thing and grows during rain.
  2. B) Wood absorbs moisture/water from humid air causing it to expand.
  3. C) Wood breathes oxygen rapidly in winter.
  4. D) Rain water adds extra non-living seeds to wood.

Q25. Fill in the blank: ‘Herbs live for ________, while trees live for ________.’

  1. A) a few months; many years
  2. B) hundreds of years; a few days
  3. C) 1 month; 5 months
  4. D) 150 years; 300 years

Q26. [Achievers Section / HOTS] Read the statements below:
X is an organism that breathes through gills when young and through lungs/skin as an adult.
Y is an organism that has microscopic stomata on its body surface.
Z is an animal that breathes through air holes along its body.
Identify X, Y, and Z correctly.

  1. A) X = Frog, Y = Plant leaf, Z = Grasshopper
  2. B) X = Fish, Y = Frog, Z = Cow
  3. C) X = Grasshopper, Y = Pine tree, Z = Fish
  4. D) X = Frog, Y = Dog, Z = Mosquito

Q27. [Achievers Section / HOTS] Unscramble the letters to find the breathing organ of a fish: ‘I G L S L’

  1. A) LUNGS
  2. B) GILLS
  3. C) STOMATA
  4. D) HOLES

Q28. [Achievers Section / HOTS] Which of the following Venn diagrams correctly represents the classification of living things based on food habits?
P: Carnivore (Lion)
Q: Herbivore (Cow)
R: Omnivore (Human/Bear)

  1. A) Lion eats plants only, Cow eats meat, Human eats air.
  2. B) Cow eats plants, Lion eats meat, Human eats both plants and animals.
  3. C) Human eats only sunlight, Lion eats plants, Cow eats meat.
  4. D) All animals prepare their own food using stomata.

Q29. [Achievers Section / HOTS] Examine the classification table:
Group 1: Dog, Elephant, Human
Group 2: Hen, Pigeon, Snake
What is the correct principle of grouping used here?

  1. A) Group 1 breathes through gills; Group 2 breathes through lungs.
  2. B) Group 1 gives birth to young ones; Group 2 lays eggs.
  3. C) Group 1 contains non-living things; Group 2 contains living things.
  4. D) Group 1 cannot move; Group 2 moves from place to place.

Q30. [Achievers Section / HOTS] Which of the following statements is FALSE about living and non-living things?

  1. A) Plants are living things because they grow, reproduce, and breathe.
  2. B) Non-living things can be natural (like rocks and hills) or man-made (like cars and tables).
  3. C) All living things have the exact same lifespan of 100 years.
  4. D) Non-living things cannot produce young ones.

 

 

SECTION B: ANSWER KEY & DETAILED EXPLANATIONS

Q. No. Correct Answer Q. No. Correct Answer
Q1 C) Q16 B)
Q2 A) Q17 D)
Q3 B) Q18 B)
Q4 D) Q19 C)
Q5 B) Q20 B)
Q6 A) Q21 D)
Q7 C) Q22 A)
Q8 C) Q23 B)
Q9 B) Q24 B)
Q10 B) Q25 A)
Q11 C) Q26 A)
Q12 C) Q27 B)
Q13 B) Q28 B)
Q14 A) Q29 B)
Q15 A) Q30 C)

 

Detailed Explanations:

Q1: Correct Answer: C) Frog
Explanation: According to the textbook chapter (‘Let’s Know More’), frogs breathe through both skin and lungs.

Q2: Correct Answer: A) (i)-q, (ii)-r, (iii)-p, (iv)-s
Explanation: Lifespans from textbook: Housefly = 1 month, Dog = 13 years, Giant tortoise = 150 years, Pine tree = 300 years.

Q3: Correct Answer: B) Both occupy space and have weight.
Explanation: The chapter highlights that living and non-living things share similarities like occupying space, having mass/weight, and being affected by climatic conditions.

Q4: Correct Answer: D) Mosquito – Skin and Lungs
Explanation: Insects like grasshoppers and mosquitoes breathe through air holes along the sides of their body, not lungs.

Q5: Correct Answer: B) Living things show response to external stimuli (movement/feeling).
Explanation: The touch-me-not plant responds to touch by folding its leaves, showing sensitivity and movement.

Q6: Correct Answer: A) Both Statement 1 and Statement 2 are true.
Explanation: Plants take in water through roots from soil (true) and non-living things do not need food/water (true).

Q7: Correct Answer: C) Ostrich
Explanation: As stated in ‘Let’s Know More’, the largest egg in the world belongs to the ostrich.

Q8: Correct Answer: C) Stomata
Explanation: The chapter defines stomata as tiny microscopic pores on leaves through which plants breathe.

Q9: Correct Answer: B) 1, 3 and 4 only
Explanation: Cars, clouds, and robots can move, but they require engines/fuel/wind and lack other living traits (reproduction, growth, breathing).

Q10: Correct Answer: B) Bitch (Dog)
Explanation: Dogs give birth to puppies, whereas hens, pigeons, and turtles lay eggs.

Q11: Correct Answer: C) Marigold plant < Dog < Mango tree = Carp fish
Explanation: Lifespans: Marigold (5 months) < Dog (13 years) < Carp fish (100 years) = Mango tree (100 years).

Q12: Correct Answer: C) Sunlight
Explanation: Plants need sunlight to prepare food and remain healthy and green.

Q13: Correct Answer: B) Venus flytrap
Explanation: ‘Let’s Know More’ notes Venus flytrap as an example of a carnivorous plant trapping prey.

Q14: Correct Answer: A) Rohan and Sita
Explanation: Non-living objects don’t breathe. Sita and Rohan correctly describe non-living nature/origin.

Q15: Correct Answer: A) Cow, Rabbit, Goat
Explanation: Textbook specifies cows, rabbits, and goats as plant-eating animals (herbivores).

Q16: Correct Answer: B) Bear
Explanation: Bears and squirrels are listed in the chapter as animals eating both plants and animals.

Q17: Correct Answer: D) All of the above
Explanation: Animals move from place to place in search of food, water, and shelter.

Q18: Correct Answer: B) Plants reproduce and grow
Explanation: Seeds grow into young plants, demonstrating reproduction and growth in living things.

Q19: Correct Answer: C) They do not have a natural lifespan and do not undergo natural death.
Explanation: Non-living things cannot die because they were never alive; they lack natural lifespans.

Q20: Correct Answer: B) Movement in response to light in plants
Explanation: Sunflower moving towards sunlight demonstrates plant movement in response to light.

Q21: Correct Answer: D) Housefly
Explanation: Housefly lifespan = 1 month, which is the shortest among all listed organisms.

Q22: Correct Answer: A) Pine Tree (300 years)
Explanation: Pine tree has an approximate lifespan of 300 years according to the chapter chart.

Q23: Correct Answer: B) Both living and non-living things are affected by climatic conditions.
Explanation: Climatic conditions like rain, cold, and heat affect both living and non-living things.

Q24: Correct Answer: B) Wood absorbs moisture/water from humid air causing it to expand.
Explanation: Wood absorbs moisture from humid air during monsoon/rainy weather, causing swelling.

Q25: Correct Answer: A) a few months; many years
Explanation: Chapter text: ‘Herbs live for a few months, while trees live for many years.’

Q26: Correct Answer: A) X = Frog, Y = Plant leaf, Z = Grasshopper
Explanation: Frog (X) breathes through gills/skin/lungs, Plant leaves (Y) have stomata, Grasshopper (Z) has air holes.

Q27: Correct Answer: B) GILLS
Explanation: ‘I G L S L’ unscrambles to GILLS, which fishes use to absorb oxygen from water.

Q28: Correct Answer: B) Cow eats plants, Lion eats meat, Human eats both plants and animals.
Explanation: Cow is herbivore, Lion is carnivore, Human/Bear is omnivore.

Q29: Correct Answer: B) Group 1 gives birth to young ones; Group 2 lays eggs.
Explanation: Group 1 (mammals/humans) give birth to babies; Group 2 (birds/reptiles) reproduce by laying eggs.

Q30: Correct Answer: C) All living things have the exact same lifespan of 100 years.
Explanation: Different living things have different lifespans (e.g., housefly = 1 month, pine tree = 300 years).

 

Updated: September 25, 2026 — 6:30 am

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