Improvement in Food Resources — Science STD 9 — Question

Hemophilia is a:

1. Acute disease.
2. Deficiency disease.
3. Chronic disease.
4. Congenital disease.

The nucleus is the site for synthesis of:

Father of histology is:

Following are a few definitions of osmosis.
Read carefully and select the correct definition:

Sieve tubes and companion cells occur in-

Milk does not provide:

1. Vitamin A and D.
2. Carbohydrates, proteins and fats.
3. Minerals such as phosphorus and calcium.
4. Iron.

Tissue means _________________?

Myology is the study of:

Which of the following components of phloem is absent in monocot stem:

1. Sieve tubes.
2. Companion cells.
3. Bast fibers.
4. Phloem parenchyma.

Living organisms vary widely in size. However, even the largest organisms such as the giant redwood and the blue whale have cells that are roughly the same size as those in smaller organisms. Why are all cells small?