Tissues — Science STD 9 — Question

Method used for separating dyes in ink is called __________?

Walls of collenchymas are irregularly thickened due to the deposition of:

Find out correct sentence:

The number of cycles an oscillator completes in each second is called its _______________:

Is it possible to have an accelerated motion with a constant speed? Name such type of motion:

Cuboidal tissue takes part in:

1. Absorption.
2. Secretion.
3. Excretion.
4. All the above.

When we say 'sound travels in a medium' we mean:

A mixture of two or more miscible liquids, for which the difference in the boiling points is less than 25 K can be separated by the process called:

There are present numerous exotic breeds of poultry which have been successfully acclimatized in India. One of the most popular exotic breeds of fowl in India, which produces long white eggs, has a very small body size, so needs less feed for its maintenance. Choose the right name for the breed with all these characteristics.

Eutrophication results in reduction of:

1. Dissolved hydrogen.
2. Dissolved oxygen.
3. Mineral salts.
4. Dissolved nitrate.