Tissues — Science STD 9 — Question

Cytoplasm is:

1. Unit mass of protoplasm.
2. Protoplasm excluding plasma membrane.
3. Protoplasm excluding plasma membrane and nucleus.
4. Protoplasm excluding plasma membrane and cell organelles.

Choose the incorrectly matched pair from the options given below.

Which of the following have been artificially selected?

Fever, delirium, slow pulse, abdominal tenderness and rose coloured rash indicate the disease:

1. Typhoid.
2. Measles.
3. Tetanus.
4. Chicken pox.

The infoldings in mitochondria are known as:

Endothelium of the inner surface of blood vessels in vertebrates is formed:

Mammals:

1. Lay eggs.
2. Possess body hair.
3. Have a skin with scales.
4. All the above.

Which of these is not related to endoplasmic reticulum?

Passage cells are present in:

Which of the following is not a draught animal?

1. Camel
2. Elephant
3. Sheep
4. Horse