Each human kidney has nearly
Options
(a) 10,000 nephrons (b) 50,000 nephrons (c) 1,00,000 nephrons (d) 1 million nephrons
Correct Answer:
1 million nephrons
Explanation:
Nephrons are morphological and physiological units of kidney. […]
During muscular contraction
Options
(a) ATP is broken down (b) ATP is formed (c) GTP is broken down (d) None of these
Correct Answer:
ATP is broken down
Explanation:
During muscle contraction, ATP […]
Deficiency of copper causes
Options
(a) Pellagra (b) Anaemia and damage to CNS (c) Influenza (d) Xerophthalmia
Correct Answer:
Anaemia and damage to CNS
Explanation:
Copper takes part in haemoglobin synthesis.
Colour blindness results from
Options
(a) Absence of rods (b) Absence of cones (c) Absence of eyelids (d) Inverted retina
Correct Answer:
Absence of cones
Explanation:
Rod is a kind of light-sensitive nerve […]
Calvin cycle occur in
Options
(a) Chloroplasts (b) Cytoplasm (c) Mitochondria (d) Glyoxysomes
Correct Answer:
Chloroplasts
Explanation:
Calvin cycle occurs in the stroma of chloroplasts where the products of light reaction (assimilatory power […]
An antibody is a
Options
(a) Molecule that specifically inactivates an antigen (b) WBC which invades bacteria (c) Secretion of mammalian RBC (d) Component of blood
Correct Answer:
Molecule that specifically inactivates an […]
Amino acids not synthesized in the body are called
Options
(a) Non-essential (b) Active (c) Essential (d) Inactive
Correct Answer:
Essential
Explanation:
Essential amino acids are those which are taken from food, not […]
All the cytokinins are
Options
(a) Acidic (b) Aminopurines (c) Phenol (d) Glucosides
Correct Answer:
Aminopurines
Explanation:
Gibberellic acid is mainly related with elongation of plant.
As temperature changes from 3°C to 45°C, the rate of enzyme activity will
Options
(a) Decrease and then increase (b) Increase and then decrease (c) Increase only (d) Decrease only
Correct Answer:
Increase and […]
2017 Copyright Doctor Dreams Training Academy