RNA interference helps in_____.

1. 1. Cell proliferation
   2. Cell defence
   3. Cell differentiation
   4. Micropropagation

Hornwarts are included in sub-class of _____.

1. 1. Anthoceropsida
   2. Hepaticopsida
   3. Psilopsida
   4. Bryopsida

Gaseous exchange through the skin is known as _____respiration.

1. 1. Cuticular
   2. Pulmonary
   3. Skin
   4. Cutaneous

Genetic information are carried in the form of long chain of molecules made-up-of _____.

1. 1. Polypeptides
   2. A  Amino acids
   3. Nucleotides
   4. RNA

Examples of Rhodophytes are _____.

1. 1. Polysiphonia
   2. Chondrus
   3. Both a and b
   4. Pinnularia

Which of the following statement about viruses is incorrect?

1. 1. They are resistant to most of antibiotic treatment
   2. We can not grow them in laboratories on artificial medias
   3. They can synthesize their nucleic acid
   4. They are obligate intracellular parasite

Carbon atom is _____.

1. 1. Monovalent
   2. Trivalent
   3. Divalent
   4. Tetravalent

Incomplete or imperfect digestion is known as_____.

1. 1. Anorexia nervous
   2. Dyspepsia
   3. Obesity
   4. Bulimia nervosa

Horsetails are included in class of_____.

1. 1. Sphenopeida
   2. Pteropsida
   3. Psilopsida
   4. Lycopsida

Capillaries are the example of _____.

1. 1. Tissue
   2. Cell
   3. Organ System
   4. Organ