Improvement in Food Resources — Science STD 9 — Question

Cattles should be sheltered under well-ventilated roofed sheds that protect them from_____:

Define cell.

Hotspots of biodiversity means:

1. Areas of the Earth that contain many endemic species.
2. Species serves as proxy for entire communities in particular areas.
3. Species in particular niche/ area.
4. Species diversity at particular areas.

Poultry farming is undertaken to raise following:

1. Egg production.
2. Feather production.
3. Chicken meat.
4. Milk production.

1. (i) and (ii)
2. (i) and (iii)
3. (ii) and (iii)
4. (iii) and (iv)

Temporary mount of a peel is made in:

Living organisms vary widely in size. However, even the largest organisms such as the giant redwood and the blue whale have cells that are roughly the same size as those in smaller organisms. Why are all cells small?

Swollen feets and ankle can be naturally cured by dipping them in salt water. Suggest the mechanism involved in this treatment.

Largest blood cells are:

1. Monocytes
2. Neutrophils
3. Lymphocytes
4. Basophils

The branch of biology dealing with structures, function and reproduction of cell is:

Protein storing plastid is: