Question

Who acts as control centre of activities of the cell? *
A. Nucleus
B. Cytoplasm
C. Cell wall
D. Cell membrane​

Answer 1

Answer:

The nucleus

Explanation:

The nucleus is the largest and most significant living organelle of the cell. All cell activities of the cell are regulated by the nucleus. Hence it is called brain or control centre of the cell.

Answer 2

Answer:

Hydrotropism is a plant's growth response in which the direction of growth is determined by a stimulus or gradient in water concentration. A common example is a plant root growing in humid air bending toward a higher relative humidity level.