Which of the following gas is necessary for the process of photosynthesis?
A). O2
B). CO
C). N2
D). CO2
CO2
To perform photosynthesis, plants need three things: carbon dioxide, water, and sunlight.
1. Which of the following blood cells carry oxygen?
2. Organic Substances which, in very small amounts, control growth and development called
3. Question 12:Mention briefly about the circulatory system of earthworm
4. Question 7:How are the minerals absorbed by the plants?
7. The device to measure transpiration in plants is
9. Life originate by chemosynthesis was proved in the labouratory by-
10. Question 9:Can we call human evolution as adaptive radiation?