Transpiration — Biology STD 10 — Question

Give the scientific name of the organism which is cited as the classical example of 'natural selection'.

Name the Following:
The type of Cytokinesis in which the cell plate begins in the center and moves towards the wall.

Explain the Term :
Chemotropism

What do you understand by cell cycle?

Write the functional activity of the following structure: Henle’s loop

Where is this located?
Cerebellum

Name the Following :
The male copulatory organ in human.

Given below is an example of a certain structure and its special functional activity:

chloroplasts and photosynthesis

In a similar way, write the functional activity against each of the following:

Xylem and ...................................

Name the following :
To prevent the excessiveness of this process, wilting and drooping of leaves occurs.

Name the Following:
The two primary kinds of cell division found in living organisms.