The Fundamental Unit of Life — Science STD 9 — Question

Name the gas which plays major role in global warming:

1. Carbon monoxide.
2. Nitrous oxide.
3. Carbon dioxide.
4. Sulphur dioxide.

What lead to the increasing yield of production?

What will happen if we put a plant and animal cell in the isotonic solution:

Which of the following is not a draught animal?

Which one is a micronutrient for the crop plants?

1. Calcium
2. Iron
3. Magnesium
4. Potassium

Which of the following statements given below is correct about meristematic tissue?

1. Is made of cells that are incapable of cell division.
2. Is made of cells that are capable of cell division.
3. Is composed of single type of cells.
4. Is composed of more than one type of cell.

Inland fisheries refer to:

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)

Crop rotation helps in:

Which crop is grown between two cereal crops in crop rotation?