Tissues — Science STD 9 — Question

Congenital diseases are those which:

1. Are deficiency diseases.
2. Are present from time of birth.
3. Are spread from man to man.
4. Occur during life time.

Plasmolysis in a plant cell is defined as:

Who is popularly known as ‘water man’?

1. Gajendra Singh.
2. Rajendra Singh.
3. Louis Pasteur.
4. Tansley.

The only cell organelle seen in prokaryotic cell is:

Permanent tissues differ from meristematic tissue in:

Kranti, Pusa Agrani and pusa bold are improved varieties of:

The ability of nitrogen fixation is found in:

1. Monerans only.
2. Both monerans and protistans.
3. Protistans only.
4. Fungi only.

Increase in oil production is:

1. Golden revolution.
2. Yellow revolution.
3. White revolution.
4. Blue revolution.

Plants can be made disease-resistant by:

A group of cells alike in form, function and origin are called __________.

1. Tissue
2. Organ
3. Organelle
4. None of these