Biology MCQs – Page 66

✅ C. 12

Option A: 10 Option B: 11 Option C: 12 Option D: 13 Correct Answer : 12 Read more

✅ C. Recovery of resting potential

Option A: Maintenance of resting potential Option B: Massive out flux of K+ after depolarization Option C: Recovery of resting potential Option D: Conversion of resting potential into action potential Correct Answer : Recovery of resting potential Read more

✅ A. Hydra

Option A: Hydra Option B: Man Option C: Planaria Option D: Cockroach Correct Answer : Hydra Read more

✅ A. Active

Option A: Active Option B: Passive Option C: Diffusional Option D: None of these. Correct Answer : Active Read more

✅ B. K+

Option A: Na+ Option B: K+ Option C: Cl- Option D: PO4-2 Correct Answer : K+ Read more

✅ B. Overproduction of thyroxin

Option A: Undersecretion of thyroxin Option B: Overproduction of thyroxin Option C: Undersecretion of corticosteroids Option D: Overproduction of corticosteroids Correct Answer : Overproduction of thyroxin Read more

✅ B. Median pituitary

Option A: Anterior pituitary Option B: Median pituitary Option C: Posterior pituitary Option D: None of these Correct Answer : Median pituitary Read more

✅ B. Darwin

Option A: Thorpe Option B: Darwin Option C: Pavlov Option D: Kohler Correct Answer : Darwin Read more

✅ A. Kinesis

Option A: Kinesis Option B: Taxes Option C: Instinct Option D: Learning Correct Answer : Kinesis Read more

✅ D. Soma

Option A: Axoplasm Option B: Myelin sheath Option C: Dendrite Option D: Soma Correct Answer : Soma Read more

✅ D. Having slow but prolonged effects

Option A: Produce chemical messengers Option B: Release chemical messengers in extracellular space Option C: Homestatic in function Option D: Having slow but prolonged effects Correct Answer : Having slow but prolonged effects Read more

✅ D. Like all the living cell, when they mature and divide to form similar cells

Option A: They not only conduct impulses but also generate them Option B: They are not the only cellular component of nervous system Option C: They may show limited regenerative capabilities Option D: Like all the living cell, when they mature and divide to form similar cells Correct Answer : Like all the living cell, when they mature and divide… Read more

✅ D. Duodenum

Option A: Stomach Option B: Liver Option C: Pancreas Option D: Duodenum Correct Answer : Duodenum Read more

✅ C. Associative neurons

Option A: Sensory neurons Option B: Motor neurons Option C: Associative neurons Option D: None of these Correct Answer : Associative neurons Read more

✅ C. Pacinian corpuscles

Option A: Hair end organs Option B: Meissners Corpuscles Option C: Pacinian corpuscles Option D: none of these Correct Answer : Pacinian corpuscles Read more

✅ B. Habituation

Option A: Imprinting Option B: Habituation Option C: Insight learning Option D: Latent learning Correct Answer : Habituation Read more

✅ B. Mechanoreceptors

Option A: Chemoreceptors Option B: Mechanoreceptors Option C: Photoreceptors Option D: Thermoreceptors Correct Answer : Mechanoreceptors Read more

✅ C. Pain

Option A: Touch Option B: Temperature Option C: Pain Option D: Pressure Correct Answer : Pain Read more

✅ B. Meissners Corpuscles

Option A: Hair end organs Option B: Meissners Corpuscles Option C: Pacinian corpuscles Option D: None of these Correct Answer : Meissners Corpuscles Read more

✅ D. All of these

Option A: Accumulation of toxic waste products in leaves. Option B: Deficiency of chlorophyll. Option C: Short supplies of mineral nutrients in the soil. Option D: All of these Correct Answer : All of these Read more