1.
Ordinary table salt is sodium chloride. What is baking soda?

2.
Ozone hole refers to

3.
Pine, fir, spruce, cedar, larch and cypress are the famous timber-yielding plants of which several also occur widely in the hilly regions of India. All these belong to

4.
Pollination is best defined as

6.
Movement of cell against concentration gradient is called

7.
Photosynthesis generally takes place in which parts of the plant?

8.
Most fish do not sink in water because of the presence of:
I. swim bladder
II. air bladder
III. air sacs
IV. air in spongy bones

9.
Plants synthesis protein from

10.
Plants absorb dissolved nitrates from soil and convert them into

Read More Section(Biology)

Each Section contains maximum 100 MCQs question on Biology. To get more questions visit other sections.