Living Creatures: Exploring Their Characteristics Part 1: MCQs (Q1–Q25)
Part 1 — Questions 1 to 25 (Introduction & Basic Characteristics of Living Things)
1. Which of the following is NOT a living thing?
A. Dog
B. Tree
C. Stone ← Correct Answer
D. Human
Explanation:
A/B/D) All show life processes.
C) Correct — stone does not breathe, grow, or reproduce.
2. Which one is a characteristic of living things?
A. They grow
B. They reproduce
C. They need food
D. All of these ← Correct Answer
Explanation:
D) Correct — all these are basic characteristics of living beings.
3. The ability to respond to changes in surroundings is called
A. Growth
B. Respiration
C. Stimulus-response ← Correct Answer
D. Digestion
Explanation:
C) Correct — living things sense and respond to stimuli.
4. Which living process releases energy in organisms?
A. Digestion
B. Respiration ← Correct Answer
C. Reproduction
D. Growth
Explanation:
B) Correct — respiration releases energy by breaking down food.
5. All living things reproduce to
A. Get food
B. Continue their species ← Correct Answer
C. Grow faster
D. Escape enemies
Explanation:
B) Correct — reproduction ensures survival of species.
6. Which of these shows growth from inside?
A. Ice block
B. Animals ← Correct Answer
C. Stone
D. Salt crystal
Explanation:
B) Correct — animals grow from inside as cells multiply.
7. Which of these grows only by adding external material?
A. Human
B. Plant
C. Stone ← Correct Answer
D. Dog
Explanation:
C) Correct — non-living things like stones grow by external deposition.
8. Which process removes waste from the body?
A. Respiration
B. Nutrition
C. Excretion ← Correct Answer
D. Reproduction
Explanation:
C) Correct — excretion removes harmful wastes.
9. Which is the main difference between living and non-living things?
A. Shape
B. Presence of life processes ← Correct Answer
C. Weight
D. Size
Explanation:
B) Correct — living things perform life processes, non-living do not.
10. Which is NOT a characteristic of living things?
A. Respiration
B. Excretion
C. Growth
D. Rusting ← Correct Answer
Explanation:
D) Correct — rusting is a chemical change, not a life process.
11. Living things need food to
A. Make them heavier
B. Obtain energy for activities ← Correct Answer
C. Change color
D. Avoid reproduction
Explanation:
B) Correct — food provides energy for growth, repair, and activity.
12. Which life process helps plants make their own food?
A. Respiration
B. Photosynthesis ← Correct Answer
C. Excretion
D. Reproduction
Explanation:
B) Correct — plants make food using sunlight, CO₂, and water.
13. Which one is NOT a mode of reproduction?
A. Laying eggs
B. Giving birth
C. Budding
D. Excretion ← Correct Answer
Explanation:
D) Correct — excretion is waste removal, not reproduction.
14. All living things have the ability to
A. Move
B. Grow
C. Reproduce
D. All of these ← Correct Answer
Explanation:
D) Correct — these are universal characteristics of life.
15. Which process is carried out by both plants and animals?
A. Photosynthesis
B. Respiration ← Correct Answer
C. Germination
D. Pollination
Explanation:
B) Correct — all living things respire to release energy.
16. The process of taking in oxygen and giving out carbon dioxide is called
A. Nutrition
B. Respiration ← Correct Answer
C. Excretion
D. Photosynthesis
Explanation:
B) Correct — respiration exchanges gases for energy release.
17. Which of the following shows external growth?
A. Dog
B. Child
C. Mountain ← Correct Answer
D. Cat
Explanation:
C) Correct — mountains grow externally by deposition of materials.
18. Which one is an autotroph?
A. Dog
B. Cat
C. Plant ← Correct Answer
D. Man
Explanation:
C) Correct — plants prepare their own food.
19. Which living process is essential for continuity of species?
A. Growth
B. Respiration
C. Reproduction ← Correct Answer
D. Excretion
Explanation:
C) Correct — reproduction ensures survival of species.
20. Which of these is an irritability response?
A. Growing tall
B. Withdrawing hand from hot object ← Correct Answer
C. Digesting food
D. Excreting wastes
Explanation:
B) Correct — living things respond to external stimuli.
21. Which is an example of reproduction by budding?
A. Mango tree
B. Human
C. Yeast ← Correct Answer
D. Cow
Explanation:
C) Correct — yeast reproduces by budding.
22. Which statement is true?
A. All living things breathe air
B. All non-living things grow
C. Living things perform life processes ← Correct Answer
D. Non-living things reproduce
Explanation:
C) Correct — all living things show life processes.
23. What is necessary for respiration?
A. Food only
B. Oxygen and food ← Correct Answer
C. Water only
D. Light
Explanation:
B) Correct — respiration requires both oxygen and food molecules.
24. Which one is NOT a characteristic of all living beings?
A. Excretion
B. Reproduction
C. Growth
D. Flying ← Correct Answer
Explanation:
D) Correct — not all living things can fly.
25. Which process removes harmful gases like CO₂ from our body?
A. Excretion
B. Respiration ← Correct Answer
C. Photosynthesis
D. Nutrition
Explanation:
B) Correct — exhalation removes CO₂ during respiration.
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