Which is the following causes an increase in sodium reabsorption in the distal convoluted tubule?
Options
(a) Increase in aldosterone levels (b) Increase in antidiuretic hormone levels (c) Decrease in aldosterone levels (d) […]
Which structures perform the function of mitochondria in bacteria?
Options
(a) Nucleoid (b) ribosomes (c) Cell wall (d) Mesosomes
Correct Answer:
Mesosomes
Explanation:
In some bacteria (e.g., Bacillus subtilis) the plasma membrane form certain […]
Deficiency symptoms of nitrogen and potassium are visible first in:
Options
(a) Senescent leaves (b) Young leaves (c) Roots (d) Buds
Correct Answer:
Senescent leaves
Explanation:
The parts of the plants that show the […]
Which one of the following statements is correct
Options
(a) the seeds in grasses is not endospermic (b) mango is a parthenocarpic fruit (c) a proteinaceous aleurone layer is present (d) a sterile […]
Which of the following is wrong about Chara?
Options
(a) upper oogonium and lower round antheridium (b) Globule and nucule present on the same plant (c) upper antheridium and lower oogonium (d) Globule […]
Perigynous flowers are found in
Options
(a) guava (b) cucumber (c) china rose (d) rose
Correct Answer:
rose
Explanation:
No explanation available. Be the first to write the explanation for this question by […]
An example of edible underground stem is
Options
(a) carrot (b) groundnut (c) sweet potato (d) potato
Correct Answer:
potato
Explanation:
No explanation available. Be the first to write the explanation for this […]
When the margins of sepals or petals overlaps one another without any particular direction,the condition is termed as
Options
(a) vexillary (b) imbricate (c) twisted (d) valvate
Correct Answer:
imbricate
Explanation:
No explanation […]
Select the taxon mentioned that represents both marine and freshwater species
Options
(a) Echinodermata (b) Ctenophora (c) Cephalochordata (d) Cnidaria
Correct Answer:
Cnidaria
Explanation:
No explanation available. Be the first to write the […]
Planaria possess high capacity of
Options
(a) metamorphosis (b) regeneration (c) alternative of generation (d) bioluminescence
Correct Answer:
regeneration
Explanation:
Planaria is a flatworm which possesses a high power of regeneration.
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