Beat defined function of manganese in green plants is
Options
(a) Photolysis of water (b) Calvin cycle (c) Nitrogen fixation (d) Water absorption
Correct Answer:
Photolysis of water
Explanation:
Manganese (Mn²⁺) is used […]
Basophilic prokaryotes
Options
(a) grow slowly in highly alkaline frozen lakes at high altitudes (b) occur in water containing high concentration of barium hydroxide (c) grow and multiply in very deep marine sediments […]
Bamboo and grasses elongate by the activity of
Options
(a) Secondary meristem (b) Lateral meristem (c) Apical meristem (d) Intercalary meristem
Correct Answer:
Intercalary meristem
Explanation:
Intercalary meristem is responsible for increase in […]
Ball and socket joints can be seen in
Options
(a) Wrist (b) Fingers (c) Neck (d) Shoulders
Correct Answer:
Shoulders
Explanation:
Shoulder sand hip joints are the examples of ball and socket joints.
Bacterial leaf blight of rice is caused by a species
Options
(a) Alternaria (b) Erwinia (c) Xanthomonas (d) Pseudomonas
Correct Answer:
Xanthomonas
Explanation:
Bacterial leaf blight of rice is caused by Xanthomonas oryzae […]
Axons can be
Options
(a) non-myelinated (b) myelinated (c) either myelinated or non-myelinated (d) None of these
Correct Answer:
either myelinated or non-myelinated
Explanation:
Axons can be non-myelinated and myelinated both.
Average life span of human RBC is
Options
(a) 100 days (b) 90 days (c) 120 days (d) None
Correct Answer:
120 days
Explanation:
The life span of biconcave RBCs in man is […]
Auxin originates at the tip of the stem and controls growth elsewhere. The movement of auxin is largely
Options
(a) Basipetal (b) Acropetal (c) Acropetal and basipetal (d) Centropetal
Correct Answer:
Basipetal
Explanation: […]
Auxin in plant is not meant for
Options
(a) Cell elongation (b) Fruit ripening (c) Cell division (d) Inhibit the root growth
Correct Answer:
Fruit ripening
Explanation:
Because ethylene is responsible for ripening […]
Autorhythmicity is a special property of the muscles of the / Striped and branched muscle are found in
Options
(a) Liver (b) Intestine (c) Heart (d) Kidney
Correct Answer:
Heart
Explanation:
Cardiac muscles […]
2017 Copyright Doctor Dreams Training Academy