Cell Cycle, Cell Division and Structure of Chrmosomes — Biology STD 10 — Question

State the Function:
Semi-circular canals

Give Technical Term for the following.
The condition in which the water from a cell is completely removed due to exosmosis and no more shrinkage is possible.

Study the following diagram carefully and then answer the question that follow :
Name the process occurring in B and C and state the importance of this process in the human body.

Given alongside is a highly simplified (but also somewhat wrong) diagram of the human kidney cut open longitudinally. Answer the question that follow.
Define excretion

Name the Following
Result of uncontrolled cell division.

A potted plant was taken in order to prove a factor necessary for photosynthesis. The potted plant was kept in the dark for 24 hours. One of the leaves was covered with black paper in the centre. The potted plant was then placed in sunlight for a few hours.

What aspect of photosynthesis was being tested?

Name the following:
The kind of division normally seen at the tip of the root and shoot system.

State any two harmful effects of noise pollution on human health.

The diagram given below is that of a developing human foetus in the womb. Study the same and answer the question that follow:
What term is given to the period of development of the foetus in the womb?

Give the Technical Term: Name two hormones secreted by the alimentary canal.