Which of the following organelles contain its own DNA?

1. 1. chloroplast
   2. mitochondria
   3. nucleus
   4. All of these

The term ‘gene’ refers to _____.

1. 1. A linkage group
   2. A portion of RNA
   3. A sequence of Amino
   4. A portions of DNA

Biological molecules (proteins) which catalyze a biochemical reaction and remain unchanged after completion of reaction are called_____.

1. 1. Cofactor
   2. Enzymes
   3. Coenzymes
   4. Activator

Parasitic fungi absorb nutrients directly from the living host cytoplasm with the help of special hyphal tips called_____.

1. 1. Haustoria
   2. Constricting ring
   3. Mildew
   4. All of the above

Which one of the following specially result in chronic liver disease leading to hepatic failure?

1. 1. HCV
   2. HAV
   3. HEV
   4. HBV

All of the following are elements that plants need in very small amounts except _____.

1. 1. Chlorine
   2. Iron
   3. Hydrogen
   4. Copper

Which of the following hepatitis is more contagious?

1. 1. HDV
   2. HAV
   3. HCV
   4. HBV

Secondary cell wall of sclerenchyma cells is impregnated with _____.

1. 1. Lignin
   2. Cellulose
   3. Pectin
   4. Peptidoglycan and murein

In fermentation _____ ATP produce per glucose molecule.

1. 1. 2
   2. 4
   3. 6
   4. 8

Which of the following proteins have role in heredity?

1. 1. Nucleo-proteins
   2. Chromo-proteins
   3. Phospho-proteins
   4. Lipo-proteins