Animal and Plant Physiology MCQ’sBy: Prof. Dr. Fazal Rehman | Last updated: May 13, 2025 12 Score: 0 Attempted: 0/12 Subscribe 1. : Transpiration is… (A) dry environment (B) high atmospheric humidity (C) good soil moisture (D) high wind velocity 2. : Wooden doors are difficult to open or close during rainy season due to… (A) Osmosis (B) Diffusion (C) Plasmolysis (D) Imbibition 3. : Which of the following is caused by cooling of plants? (A) Assimilation (B) Transpiration (C) Guttation (D) Photorespiration 4. : Water absorption takes place through ——– (A) Taproot (B) Root hairs (C) Lateral roots (D) Root cap 5. : Anti-transpirant is… (A) AUG (B) IAA (C) PMA (D) PAN 6. : Little leaf disease deficiency is… (A) Manganese (B) Nitrogen (C) Zinc (D) Molybdenum 7. : Bacteroid is… (A) A bacteria-like substance (B) Living bacteria (C) Living bacteria but cannot divide (D) Dead bacteria 8. : Which of the following is very important for photolysis of water? (A) Fe (B) Zn (C) Mn (D) Mg 9. : Photosynthesis is the process of… (A) Reductive, endergonic and catabolic (B) Reductive, exergonic and catabolic (C) Reductive, exergonic and anabolic (D) Reductive, endergonic and anabolic 10. : ——- is the precursor of cytokinins… (A) Cytidine (B) Thymine (C) Adenine (D) Guanine 11. : Which of the following are not true about polyamines? (A) Spermidine (B) Lysine (C) Spermine (D) Putrescine 12. : Traumatic acid is… (A) Wound hormone (B) Growth hormone (C) Stress hormone (D) Flowering hormone Topic Covered: Animal and Plant Physiology MCQ’s. Related Posts:Animal and Plant Physiology Important Questions Comparison between Animal and Plant cellAnimal physiology and adaptations MCQsPast Papers Plant Physiology and EcologyAnimal Physiology MCQsAnimal Physiology MCQs for GATE NET JRF GPAT