The Nervous System and Sense Organs — Biology STD 10 — Question

Distinguish between the following pair of words:
Cerebrum and cerebellum

Name the Following :
The optimum temperature required for the growth of plants.

Name the part of the human brain which is concerned with the following :
(1) Seat of memory
(2) Coordinates muscular activity.

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

Name the following:
The nerve which carry impulse from CNS to muscles.

With reference to the functioning of the eye, answer the question that follow:
Name the two structure in the eye responsible for bringing about the change in the shape of the lens.

Define:
Reflex action

At which stage are chromosomes best observed?

Which cell division results in formation of ova?

Define the following:
Death rate