A femur is kept in dilute HCI for three days it becomes
A femur is kept in dilute HCI for three days, it becomes
Options
(a) Brittle (b) Soft and elastic (c) Remains as it is (d) Harder
Correct Answer:
Soft and elastic
Explanation:
If […]
Biology
A decrease in blood pressure volume will not cause the release of
A decrease in blood pressure/ volume will not cause the release of
Options
(a) ADH (b) Renin (c) Atrial Natriuretic Factor (d) Aldosterone
Correct Answer:
Atrial Natriuretic Factor
Explanation:
A decrease in blood […]
A cell when dipped in 05 M sucrose solution has no effect but when the same
A cell when dipped in 0.5 M sucrose solution has no effect but when the same cell will be dipped in 0.5 M NaCl solution the cell will.
Options
(a) increases in size […]
A cell organelle containing hydrolytic enzymes is
A cell organelle containing hydrolytic enzymes is
Options
(a) Ribosome (b) Mesosome (c) Lysosome (d) Microsome
Correct Answer:
Lysosome
Explanation:
The isolated lysosomal vesicles have been found to be very rich in almost […]
A baby boy aged two years is admitted to play school and passes through a
A baby boy aged two years is admitted to play school and passes through a dental check-up. The dentist observed that the boy had twenty teeth. Which teeth were absent?
Options
(a) Molars […]
01M solution of a solute has a water potential of
0.1M solution of a solute has a water potential of
Options
(a) -2.3 bars (b) 0 bar (c) 22.4 bars (d) 2.3 bars
Correct Answer:
-2.3 bars
Explanation:
1 M solution of a […]
Morphactins are
Morphactins are
Options
(a) Synthetic growth regulators (b) Synthetic auxins (c) Synthetic gibberellins (d) None of the above
Correct Answer:
Synthetic growth regulators
Explanation:
Morphactins are synthetic growth regulators which act in variety […]
Mitchells chemiosmotic theory belongs to
Mitchell’s chemiosmotic theory – belongs to
Options
(a) Kerb’s cycle (b) Oxidative phosphorylation (c) Glygolysis (d) None of the above
Correct Answer:
Oxidative phosphorylation
Explanation:
Chemiosmotic hypothesis of ATP synthesis or oxidative phosphorylation […]
Wilting of plant is due to
Wilting of plant is due to
Options
(a) blocked xylem (b) blocked phloem (c) removal of epidermis and few roots (d) removal of pith
Correct Answer:
blocked xylem
Explanation:
Wilting of plant is […]
Who proposed cohesion theory of water movement in plants
Who proposed cohesion theory of water movement in plants?
Options
(a) J C Bose (b) Priestly (c) Dixon and Jolly (d) TV Engelmann
Correct Answer:
Dixon and Jolly
Explanation:
Cohesion-tension theory was proposed […]