Improvement in Food Resources — Science STD 9 — Question

Common cold is a:

1. Acute disease.
2. Chronic disease.
3. Congenital disease.
4. Genetic disorder.

Pulses are rich in:

The body of organisms has chitinous cell wall and is made up of hyphae and mycelium:

1. Spirogyra.
2. Rhizopus.
3. Funaria.
4. Riccia.

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

1. Urad bean.
2. Sunflower.
3. Chick pea.
4. Mustard.

Centrosome occurs in:

1. Plant cell.
2. Animal cell.
3. Animal cells and some lower plant cells.
4. All the above.

Active divisions take place in the cells of:

1. Xylem.
2. Phloem.
3. Sclerenchyma.
4. Cambium.

Which of these is wrongly matched?

Well defined nucleus is absent in:

Causes of water pollution are:

1. Inorganic.
2. Organic.
3. Biological.
4. All of these.

Which of the following is not a desirable feature of a genetically modified plant?