Tissues — Science STD 9 — Question

Animal-based farming includes _____ farming:

Each cell has a dense double membrane bounded structures inside it is called as:

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

Which one is an acute disease:

1. Diabetes.
2. Tuberculosis.
3. Hypertension.
4. Typhoid.

The control centre of cell is:

Which of the following is incorrect pair?

1. Chloroplast-kitchen of the cell.
2. Mitochondria-power house of the cell.
3. Lysosome-secretory granules.
4. nucleus-brain of the cell.

A mature plant cell stores its water in:

Soil erosion is caused due to:

1. Strong wind.
2. Heavy rains.
3. Keeping the fields fallow for a long.
4. All of these.

Which of the following yields maximum milk/ year?

1. Holstein-Friesian.
2. Frieswal.
3. Red sindhi.
4. Sahiwal.

Forest destruction results in:

1. Loss of wild life.
2. Floods and drought.
3. Soil erosion.
4. All of these.