Improvement in Food Resources — Science STD 9 — Question

Cells which lose their nucleus during differentiation are:

Define cell.

Select the odd one out:

Phloem in the plants perform the function of:

The most common type of ground tissue is:

1. Epidermis.
2. Collenchymas.
3. Sclerenchyma.
4. Parenchyma.

Fish is an important aquatic food which is rich in proteins. The act of capturing, preservation and utilization of fishes is called fish culture.
Among the following statements choose the option which does not describe the benefit of fish culture?

Flowering in plants is dependent on:

AIDS is mainly caused by:

1. Sexual intercourse.
2. Blood transfusion.
3. Through placental transfusion.
4. All of the above.

Which among the following is correctly represented?

Striated muscles: