In TCA cycle, substrate level phosphorylation takes place during the conversion of
Options
(a) Oxaloacetic acid to citric acid (b) Succinyl CoA to succinic acid (c) Succinic acid to fumaric acid (d) Fumaric […]
In submerged hydrophytes entry of CO₂ is through
Options
(a) Epidermis as dissolved CO₂ (b) Epidermis as carbonates only (c) Epidermis as bicarbonates only (d) Both carbonates and bicarbonates
Correct Answer:
Both carbonates […]
In saltatory conduction of impulse
Options
(a) time is conserved (b) energy is conserved (c) both time and energy are conserved (d) neither time nor energy is conserved
Correct Answer:
energy is conserved
In respiration, more than one R.Q. value results from the use of
Options
(a) Glucose (b) Sucrose (c) Fat (d) Organic acid
Correct Answer:
Organic acid
Explanation:
RQ is the respiratory quotient. RQ […]
In rabbit radius and ulna are
Options
(a) Completely fused together (b) Completely separated (c) Fused in middle and separated at both the ends (d) Separated but united at both the ends
Correct […]
In potato osmometer, which of the following process is involved?
Options
(a) physical process (b) physiological process (c) chemical process (d) physico-chemical process
Correct Answer:
physico-chemical process
Explanation:
In potato osmometer, the potato […]
In parasympathetic nervous system which of the following is released?
Options
(a) epinephrine (b) norepinephrine (c) serotonin (d) acetylcholine
Correct Answer:
acetylcholine
Explanation:
The parasympathetic nervous system acts by relesing a chemical substance,acetylcholine,at […]
In pancreas, pancreatic juice and hormones are secreted by
Options
(a) Same cells (b) Different cells (c) Same cells at different times (d) None of these
Correct Answer:
Different cells
Explanation:
Pancreas is […]
In non-endospermic seeds, food is stored in
Options
(a) Seed coat (b) Endosperm (c) Cotyledons (d) Ovule
Correct Answer:
Cotyledons
Explanation:
Non-endospermic or Exalbuminous seed: Endosperm is completely consumed by the developing embryo […]
In muscles from three molecules of glucose, two are completely oxidized and one is incompletely oxidized (anaerobic) then, what will be the number of total NAD⁺ molecules utilized
Options
(a) 10 (b) 20 […]
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