Biology MCQs – Page 4

✅ C. The bicuspid and tricuspid valves suddenly close

Option A: The ventricles are fully contracted Option B: The ventricles start to relax Option C: The bicuspid and tricuspid valves suddenly close Option D: The semilunar valves are closed Correct Answer : The bicuspid and tricuspid valves suddenly close Read more

✅ B. Sword bean seed

Option A: Maize Option B: Sword bean seed Option C: Broad bean seed Option D: Corn Correct Answer : Sword bean seed Read more

✅ B. Regulation of anti-diuretic hormones

Option A: Regulation of body temperature Option B: Regulation of anti-diuretic hormones Option C: Regulation of sleep and emotions Option D: Regulation of blood osmotic pressure Correct Answer : Regulation of anti-diuretic hormones Read more

✅ A. More anti-diuretic hormone

Option A: More anti-diuretic hormone Option B: Lesser anti-diuretic hormone Option C: Active functioning of pancreas Option D: Inactivity of pituitary gland Correct Answer : More anti-diuretic hormone Read more

✅ C. No pedicles

Option A: No scent Option B: Irregular shape Option C: No pedicles Option D: No petals Correct Answer : No pedicles Read more

✅ B. Insects

Option A: Wind Option B: Insects Option C: Water Option D: Rain Correct Answer : Insects Read more

✅ A. Thermal adaptation shown by animals

Option A: Thermal adaptation shown by animals Option B: wind adaptation shown by animals Option C: adaptation of animals to escape from predators Option D: None of these Correct Answer : Thermal adaptation shown by animals Read more

✅ B. Rate of reaction

Option A: Rate of digestion Option B: Rate of reaction Option C: Level of pH Option D: Number of active sites Correct Answer : Rate of reaction Read more

✅ D. Biochemical Oxygen demand

Option A: Bidding of Dermatology Option B: Binding of Dirt Option C: Biochemical occupied Date Option D: Biochemical Oxygen demand Correct Answer : Biochemical Oxygen demand Read more

✅ D. both A and B

Option A: Dioecious plants Option B: Pawpaw Option C: Flowers Option D: both A and B Correct Answer : both A and B Read more

✅ A. Regular shape

Option A: Regular shape Option B: Circular shape Option C: Triangular shape Option D: Cone shape Correct Answer : Regular shape Read more

✅ A. Plasmodium vivax

Option A: Plasmodium vivax Option B: Plasmodium falciparum Option C: Plasmodium ovale Option D: Plasmodium malariae Correct Answer : Plasmodium vivax Read more

✅ C. Heparin

Option A: Haemoglobin Option B: Fibrin Option C: Heparin Option D: Plasma Correct Answer : Heparin Read more

✅ C. Fluid tissue

Option A: Red fluid Option B: Hemoglobin Option C: Fluid tissue Option D: Plasma Correct Answer : Fluid tissue Read more

✅ C. Armpits

Option A: Forehead Option B: Back Option C: Armpits Option D: Palm of hand Correct Answer : Armpits Read more

✅ C. Oxytocin

Option A: Casein Option B: Trypsin Option C: Oxytocin Option D: Keratin Correct Answer : Oxytocin Read more

✅ A. Ascorbic acid

Option A: Ascorbic acid Option B: Retinol Option C: Riboflavin Option D: a-tocopherols Correct Answer : Ascorbic acid Read more

✅ A. Vitamin D

Option A: Vitamin D Option B: Vitamin E Option C: Vitamin C Option D: Vitamin A Correct Answer : Vitamin D Read more

✅ A. One Second

Option A: One Second Option B: Two Seconds Option C: Three Seconds Option D: Four Seconds Correct Answer : One Second Read more

✅ D. Phagocytosis

Option A: Acclimatization Option B: Agglutination Option C: Paralysis Option D: Phagocytosis Correct Answer : Phagocytosis Read more