The Fundamental Unit of Life — Science STD 9 — Question

Plasmolysis in a plant cell is defined as:

Which one is an acute disease:

1. Diabetes.
2. Tuberculosis.
3. Hypertension.
4. Typhoid.

Inland fisheries is referred to:

1. Culturing fish in freshwater.
2. Trapping and capturing fishes from sea coast.
3. Colchicine treatment.
4. Breeding with their wild relatives.

The phylum of sedentary animals is:

1. Mollusca.
2. Echinodermata.
3. Porifera.
4. Both (a) and (b).

Phloem in the plant perform the function of _________.

1. Conduction of food.
2. Conduction of water.
3. Providing support.
4. Photosynthesis.

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

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

In angiosperms:

1. Xylem possess vessels.
2. Phloem has sieve tubes and companion.
3. Flowers are reproductive structures.
4. All the above.

The scientist who first observed bacteria and protozoa is:

Of the following components of phloem is non-living:

Rough ER contains: