NCERT Living Organisms Objective Questions
NCERT Living Organisms Objective Questions
Class: 6 | Subject: Science | Section: Living Organisms & Habitat | Topic: Living Organisms Objective Questions | CBSE Board Examination
Instructions: These Multiple Choice Questions (MCQs) are designed strictly as per the NCERT syllabus, making them ideal for CBSE Class 6 Science examination standard. Each question includes detailed explanation for better concept clarity.
1. Which of the following shows characteristics of life?
Answer: b) Tree
Trees grow, respire, reproduce and respond to stimuli. These are defining life processes absent in non‑living things.
Trees grow, respire, reproduce and respond to stimuli. These are defining life processes absent in non‑living things.
2. Growth in living organisms occurs due to:
Answer: a)
Living beings grow by cell division and internal development, unlike non‑living objects.
Living beings grow by cell division and internal development, unlike non‑living objects.
3. Which is a non‑living thing?
Answer: c)
Books do not grow, respire or reproduce.
Books do not grow, respire or reproduce.
4. Living organisms respond to:
Answer: a)
Stimuli include light, heat, sound, touch etc.
Stimuli include light, heat, sound, touch etc.
5. Sunflower turning towards sun shows:
Answer: c)
This is phototropism—response to light.
This is phototropism—response to light.
6. Breathing is part of:
Answer: b)
Respiration releases energy from food.
Respiration releases energy from food.
7. Which is essential for all living beings?
Answer: b)
Food provides energy and nutrients.
Food provides energy and nutrients.
8. Excretion removes:
Answer: b)
It eliminates metabolic wastes.
It eliminates metabolic wastes.
9. Reproduction ensures:
Answer: b)
It produces new individuals.
It produces new individuals.
10. Movement inside the body is called:
Answer: b)
Example: movement of food in intestines.
Example: movement of food in intestines.
11. Plants respire through:
Answer: c)
Gas exchange occurs via stomata and lenticels.
Gas exchange occurs via stomata and lenticels.
12. Living organisms are made of:
Answer: a)
Cells are basic structural units.
Cells are basic structural units.
13. Which shows locomotion?
Answer: b)
Fish move using fins.
Fish move using fins.
14. Seed germination shows:
Answer: a)
Seed develops into plant.
Seed develops into plant.
15. Living things need air for:
Answer: b)
Oxygen is used to release energy.
Oxygen is used to release energy.
16. Which does not respire?
Answer: d)
Respiration is life process.
Respiration is life process.
17. Life processes include:
Answer: d)
All are essential processes.
All are essential processes.
18. Which shows internal movement?
Answer: a)
Circulation is internal movement.
Circulation is internal movement.
19. Plants prepare food by:
Answer: b)
Using sunlight, CO₂, water.
Using sunlight, CO₂, water.
20. Which is NOT a life process?
Answer: d)
Rusting is chemical change, not life.
Rusting is chemical change, not life.
