General Science- Biology GK MCQ and Quiz (Set 1)

General Science- Biology GK MCQ Quiz for Exam Preparation

Prepare for your exams with the General Science- Biology GK MCQ quiz. This quiz covers important biology topics, perfect for APSC, SSC, UPSC, and other competitive exams. Improve your knowledge and exam readiness.


General Science- Biology Quiz with MCQ

1. What is the basic unit of life?

a) Tissue
b) Organ
c) Cell
d) Organism

(c) Cell

2. Which organelle is known as the powerhouse of the cell?

a) Nucleus
b) Ribosome
c) Mitochondria
d) Golgi apparatus

(c) Mitochondria

3. What is the process by which plants make their food using sunlight called?

a) Respiration
b) Photosynthesis
c) Fermentation
d) Digestion

(b) Photosynthesis

4. What type of blood cell is responsible for transporting oxygen?

a) White blood cell
b) Platelet
c) Red blood cell
d) Plasma

(c) Red blood cell

5. What part of the brain is responsible for regulating breathing?

a) Cerebrum
b) Cerebellum
c) Medulla oblongata
d) Hypothalamus

(c) Medulla oblongata

6. Which part of the plant is responsible for water absorption?

a) Stem
b) Leaf
c) Root
d) Flower

(c) Root

7. What is the term for a group of similar cells that perform a specific function?

a) Organ
b) Tissue
c) System
d) Organism

(b) Tissue

8. Which vitamin is primarily responsible for vision?

a) Vitamin A
b) Vitamin B
c) Vitamin C
d) Vitamin D

(a) Vitamin A

9. What type of reproduction involves only one parent?

a) Sexual
b) Asexual
c) Binary fission
d) Fragmentation

(b) Asexual

10. What is the primary function of the large intestine?

a) Digestion
b) Absorption of nutrients
c) Absorption of water
d) Production of bile

(c) Absorption of water

11. Which of the following is a function of the liver?

a) Producing insulin
b) Filtering blood
c) Digesting food
d) Storing bile

(b) Filtering blood

12. Which organism is known for its ability to regenerate lost body parts?

a) Starfish
b) Frog
c) Fish
d) Elephant

(a) Starfish

13. What is the main role of ribosomes in a cell?

a) Energy production
b) Protein synthesis
c) DNA replication
d) Cell division

(b) Protein synthesis

14. What type of blood vessel carries blood away from the heart?

a) Vein
b) Capillary
c) Artery
d) Venule

(c) Artery

15. Which part of the plant is responsible for photosynthesis?

a) Root
b) Stem
c) Leaf
d) Flower

(c) Leaf

16. What is the smallest unit of heredity?

a) Gene
b) Chromosome
c) DNA
d) Protein

(a) Gene

17. What is the function of the immune system?

a) Produce energy
b) Protect the body from pathogens
c) Transport nutrients
d) Regulate body temperature

(b) Protect the body from pathogens

18. Which of the following is a prokaryotic organism?

a) Fungi
b) Bacteria
c) Plant
d) Animal

(b) Bacteria

19. What structure in the cell controls the movement of substances in and out?

a) Cytoplasm
b) Cell membrane
c) Nucleus
d) Endoplasmic reticulum

(b) Cell membrane

20. Which process do cells use to break down glucose and release energy?

a) Photosynthesis
b) Fermentation
c) Cellular respiration
d) Digestion

(c) Cellular respiration

21. What is the primary function of chlorophyll in plants?

a) Absorb water
b) Absorb sunlight
c) Transport nutrients
d) Release oxygen

(b) Absorb sunlight

22. What term describes the physical and chemical processes of breaking down food?

a) Absorption
b) Digestion
c) Metabolism
d) Respiration

(b) Digestion

23. Which organ is primarily responsible for detoxifying harmful substances in the body?

a) Heart
b) Kidney
c) Liver
d) Spleen

(c) Liver

24. What type of plant tissue is responsible for transporting water?

a) Phloem
b) Xylem
c) Cambium
d) Parenchyma

(b) Xylem

25. Which type of fat is considered healthy for the body?

a) Saturated fat
b) Trans fat
c) Unsaturated fat
d) Hydrogenated fat

(c) Unsaturated fat

26. Which type of cell division produces gametes?

a) Mitosis
b) Meiosis
c) Binary fission
d) Fragmentation

(b) Meiosis

27. What is the primary function of antibodies?

a) Provide energy
b) Transport oxygen
c) Fight infections
d) Regulate metabolism

(c) Fight infections

28. What is the main source of energy for living organisms?

a) Lipids
b) Proteins
c) Carbohydrates
d) Nucleic acids

(c) Carbohydrates

29. Which part of the neuron receives signals from other neurons?

a) Axon
b) Dendrite
c) Cell body
d) Synapse

(b) Dendrite

30. What type of cells are responsible for forming myelin sheath around nerves?

a) Neurons
b) Schwann cells
c) Glial cells
d) Stem cells

(b) Schwann cells

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