Tissues — Science STD 9 — Question

Cells of squamous epithelium are:

________ is the key to increase the number of cellsin a living being.

Kitchen of the cell is:

Each cell has a dense double membrane bounded structures inside it is called as:

Cell was discovered by:

Life span of RBC is:

Organisms such as lichens are very sensitive to the level of ___________ in the atmosphere.

1. Carbon dioxide.
2. Sulphur dioxide.
3. Carbon monoxide.
4. Methane.

Presence of tissues in a multicellular organisms ensures:

1. Faster development.
2. Division of labour.
3. Higher reproductive potential.
4. Body strength.

Which cell does not have perforated cell wall

Which one is an oil yielding plant among the following?

1. Lentil
2. Sunflower
3. Cauliflower
4. Hibiscus