Biology - Study Mode

[#546] Which one of the following crops would be preferred for sowing in order to enrich soil with nitrogen?
Correct Answer

(D) Gram

Explanation

Solution: The "gram crops" would be preferred for sowing in order to enrich the "soil with nitrogen".

[#547] Censor mechanism of dispersal of seeds is found in
Correct Answer

(B) Poppy

Explanation

Solution: Censor mechanism of seed dispersal is a type of dispersal by wind, which generally occur in poppy. Its seeds bear hairy fibers outside and are very light in weight, which aid in easy dispersal by wind.

[#548] Which organelle performs cellular respiration?
Correct Answer

(A) Mitochondria

[#549] The great contribution of Schwan was
Correct Answer

(C) cell theory

Explanation

Solution: The great contribution of Schwan was cell theory.

[#550] What organelle carries out photosynthesis?
Correct Answer

(A) Chloroplasts

Explanation

Solution: Chloroplasts are organelles found in plant cells and eukaryotic algae that conduct photosynthesis. Chloroplasts absorb sunlight and use it in conjunction with water and carbon dioxide gas to produce food for the plant.