The Endocrine System — Biology STD 10 — Question

Define vaccination.

Name the hormone responsible for the following function:
Ossification of bones

Name the following:
Abnormal rise in RBC number.

Rewrite the terms in the correct order so as to be in a logical sequence:
coitus→ ovum → Sperm → sperm duct → urethra → Vagina .

Give the Technical Term: Name the hormones secreted by the pancreas.

Name the Following :
The technical term used for the difference between birth rate and death rate in population.

Which one of the following genotypes is homozygous dominant and which one homozygous recessive in regards to tongue rolling :

Name the Following :
The phase of cardiac cycle in which the auricles contract.

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.

During the starch test, why was the leaf

(1) boiled in water

(2) boiled in methylated spirit

Give Technical Term:
The part of the central nervous system in which the gray matter is located on the outer side and the white matter on the inner side.