1.
Plants receive their nutrients mainly from

2.
Pollination is best defined as

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.
Ozone hole refers to

5.
Ordinary table salt is sodium chloride. What is baking soda?

6.
Plants absorb dissolved nitrates from soil and convert them into

7.
Plants synthesis protein from

8.
Most fish do not sink in water because of the presence of
  1. swim bladder
  2. air bladder
  3. air sacs
  4. air in spongy bones
"""

9.
Photosynthesis generally takes place in which parts of the plant?

10.
Movement of cell against concentration gradient is called

error: Content is protected !!