1681. The higher animals have special organs for exchange of gases as their skin is ___________ ?
✅ B. Thick
Option A: Thin Option B: Thick Option C: Soft Option D: Hard Correct Answer : Thick Read more
Author: Sheeraz Ahmed – Page 85
1682. Dorsal root of spinal nerves contain only __________ ?
✅ B. Receptor neurons
Option A: A. Effectors neurons Option B: Receptor neurons Option C: Stimulators Option D: Detector neurons Correct Answer : Receptor neurons Read more
1683. Study of interaction of living organisms with other organisms and their environment relates with ___________ ?
✅ B. Ecology
Option A: A. Botany Option B: Ecology Option C: Social biology Option D: Pharmacology Correct Answer : Ecology Read more
1684. __________is a condition in which there is an absence of oxygen supply to an organs tissues?
✅ A. Anoxia
Option A: Anoxia Option B: Anorexia Option C: Hypoxia Option D: Enuresis Correct Answer : Anoxia Read more
1685. Virus is__________?
✅ C. acellular
Option A: unicellular Option B: multicellular Option C: acellular Option D: none of these Correct Answer : acellular Read more
1686. Length of membranous urethra is about ___________ ?
✅ A. 1 cm
Option A: 1 cm Option B: 2 cm Option C: 5 cm Option D: 9 cm Correct Answer : 1 cm Read more
1687. Guard cells of stoma are ________ ?
✅ D. Kidney-shaped
Option A: Irregular in shape Option B: Convex in shape Option C: Long and cylindrical in shape Option D: Kidney-shaped Correct Answer : Kidney-shaped Read more
1688. Special kind of protein containing iron is called as _________ ?
✅ B. Hemoglobin
Option A: Hormones Option B: Hemoglobin Option C: Red blood cell Option D: White blood cell Correct Answer : Hemoglobin Read more
1689. Crysanthemum is propagated by___________?
✅ A. Suckers
Option A: Suckers Option B: corms Option C: corals Option D: None Correct Answer : Suckers Read more
1690. Another name for liver is called ___________ ?
✅ A. Hepar
Option A: Hepar Option B: Hepta Option C: Heptum Option D: Hilum Correct Answer : Hepar Read more