MPT - MCQ Based Preliminary Test

🧬 Biology MCQs 2025

1. Which biomolecule acts as an enzyme in living cells?
A) Lipid
B) Carbohydrate
C) Protein
D) Nucleic acid

2. The fluid mosaic model explains the structure of:
A) Cell wall
B) Nucleus
C) Plasma membrane
D) Cytoplasm

3. Which organelle is involved in intracellular digestion?
A) Ribosome
B) Golgi apparatus
C) Lysosome
D) Mitochondria

4. In photosynthesis, oxygen is released during:
A) Calvin cycle
B) Dark reaction
C) Photolysis of water
D) CO₂ fixation

5. DNA replication occurs during which phase of cell cycle?
A) G₁ phase
B) G₂ phase
C) S phase
D) M phase

6. Which blood group is known as universal donor?
A) AB⁺
B) A⁻
C) O⁻
D) O⁺

7. The functional unit of kidney is:
A) Ureter
B) Nephron
C) Glomerulus
D) Loop of Henle

8. Which hormone lowers blood glucose level?
A) Glucagon
B) Adrenaline
C) Thyroxine
D) Insulin

9. Which structure connects muscle to bone?
A) Ligament
B) Tendon
C) Cartilage
D) Joint

10. Genetic information is transferred from DNA to ribosome by:
A) rRNA
B) mRNA
C) tRNA
D) snRNA

🧫 Genetics & Biotechnology

11. Crossing over occurs during:
A) Prophase-I
B) Metaphase-I
C) Pachytene stage
D) Anaphase-I

12. Restriction enzymes are used to:
A) Join DNA fragments
B) Cut DNA at specific sites
C) Copy DNA
D) Translate DNA

13. The study of heredity is called:
A) Taxonomy
B) Ecology
C) Genetics
D) Evolution

14. Phenotype refers to:
A) Genetic makeup
B) Physical expression of genes
C) Chromosome number
D) DNA sequence

15. Which base pairing is correct in DNA?
A) A–C
B) G–T
C) A–T
D) C–A

🌱 Plant Biology

16. Transpiration mainly occurs through:
A) Cuticle
B) Lenticels
C) Stomata
D) Roots

17. Which tissue transports food in plants?
A) Xylem
B) Cambium
C) Cortex
D) Phloem

18. The opening and closing of stomata is controlled by:
A) Epidermal cells
B) Guard cells
C) Companion cells
D) Root hairs

🧠 Human Physiology

19. The pacemaker of heart is:
A) AV node
B) Bundle of His
C) Purkinje fibers
D) SA node

20. Which vitamin is synthesized in skin?
A) Vitamin A
B) Vitamin C
C) Vitamin D
D) Vitamin K

Biology MCQs

1. The basic unit of life is:
A) Tissue
B) Organ
C) Cell
D) System
Answer: C) Cell

2. Which organelle is known as the powerhouse of the cell?
A) Nucleus
B) Ribosome
C) Mitochondria
D) Golgi apparatus
Answer: C) Mitochondria

3. Photosynthesis occurs in which organelle?
A) Mitochondria
B) Chloroplast
C) Vacuole
D) Nucleus
Answer: B) Chloroplast

4. The functional unit of kidney is called:
A) Neuron
B) Nephron
C) Alveolus
D) Villus
Answer: B) Nephron

5. Which blood cells help in clotting?
A) RBCs
B) WBCs
C) Platelets
D) Plasma
Answer: C) Platelets

6. DNA stands for:
A) Deoxyribonucleic Acid
B) Dinucleic Acid
C) Deoxynucleic Acid
D) Ribonucleic Acid
Answer: A) Deoxyribonucleic Acid

MPT - MCQ Based Primarily Test

7. Which gas is released during photosynthesis?
A) Carbon dioxide
B) Oxygen
C) Nitrogen
D) Hydrogen
Answer: B) Oxygen

8. The largest organ of the human body is:
A) Liver
B) Heart
C) Skin
D) Lungs
Answer: C) Skin

9. Which vitamin is produced in the skin in sunlight?
A) Vitamin A
B) Vitamin B
C) Vitamin C
D) Vitamin D
Answer: D) Vitamin D

10. Which kingdom do bacteria belong to?
A) Fungi
B) Plantae
C) Protista
D) Monera
Answer: ?

👨‍👩‍👧‍👦 Family Relationships – Simple & Clear!

Mother + Father = Parents
Sister + Brother = Siblings
Wife + Husband = Spouses
Daughter + Son = Children
Family before = Ancestors
Family after = Descendants

✨ These basic terms are frequently asked in MPT, PPSC, FPSC & other MCQ-based tests.
📘 Learn smart, remember fast, and boost your preparation!

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Deoxygenated blood from the Body enters : ?? #science #biology