The Fundamental Unit of Life — Science STD 9 — Question

Membrane which allows passage of only solvent through it is:

1. Differentially permeable.
2. Semipermeable.
3. Impermeable.
4. Both (a) and (b).

Which one of the following nutrients is not available in fertilizers?

Which of the following is gaseous fumigant?

1. DDT.
2. Aluminium phosphide.
3. Ethylene dichloride.
4. Methyl bromide.

Parenchyma: Simple: Phloem: ___________.

1. Simple
2. Collenhyma
3. Complex
4. Xylem

The meristerm which develops into primary vascular tissue is:

Identify the correctly matched pair:

The fungus disease causing maximum death of poultry bird is:

Guard cells are present in:

1. Cork.
2. Cortex.
3. Stomata.
4. Vascular bundle.

Trabeculae is the transformation of:

Common cold is a:

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