Our skin, when exposed to excess sunlight, becomes dark. ...
Our skin, when exposed to excess sunlight, becomes dark. This is because of skin pigments called
flavoxanthin
melanin
carotene
Xanthophyll
Correct answer is B
No explanation has been provided for this answer.
In the woody stems, gaseous exchange takes place through the ...
The process illustrated is ...
How many conjugants are involved in sexual reproduction of paramecium ...
Which of these tissue serves the function of support and water conduction ...
The dark reaction of photosynthesis involves the ...
Lateral meristem in flowering plants is found in the A. cortex B. pericycle C.&n...
Which of the following is not a behavioural adaptation used by social animals? ...