Tissues — Science STD 9 — Question

Which one of the following fishes is a surface feeder?

Which of the following is the high milk yielding variety of cow?

............... plays a crucial role in detoxifying many poisons and drugs in a cell.

AIDS is due to:

1. Reduction to number of helper T-cells.
2. Reduction in number of killer T-cells.
3. Autoimmunity.
4. Non-production.

Which of the following act as garbage disposal system of the cell?

The epidermal cells of onion protect against:

Fats are stored in human body as:

Which of the following is leguminous green fodder commonly available in winter?

Presence of tissues in a multicellular organisms ensures:

1. Faster development.
2. Division of labour.
3. Higher reproductive potential.
4. Body strength.

Which of the following is incorrect for green manure?

1. It supplies organic matter.
2. It supplies nitrogen.
3. It prevents soil erosion.
4. It allows leaching.