The Fundamental Unit of Life — Science STD 9 — Question

The cell organelle involved in forming complex sugars from simple sugars are:

Epithelial tissue is found in:

AIDS virus has:

1. Single strand DNA.
2. Double strand DNA.
3. Single strand RNA.
4. Double strand RNA.

Cadmium pollution of water body produces a disease of humans called:

1. Plumbasim.
2. Black foot disease.
3. Methaemoglobinaemia.
4. Itai-itai.

Permanent tissues differ from meristematic tissue in:

1. Inability to divide.
2. Attainment of definite shape and size.
3. Performing a distinct function.
4. All the above.

Who has divided Prokaryota (Monera) into Archaea and Eubacteria?

1. Haeckel.
2. Copeland.
3. Woese.
4. Whittaker.

Most abundant animal tissue is:

1. Epithelium
2. Muscular
3. Connective
4. Blood

Guard cells are present in:

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

Which one is not a source of carbohydrate?

1. Rice
2. Millets
3. Sorghum
4. Gram