Gram +ve bacteria on treatment with crystal violet dye give _____ color?

1. 1. red
   2. green
   3. pink
   4. purple

NADH is oxidized by_____.

1. 1. Coenzyme 
   2. Cytochrome b
   3. Oxygen
   4. Glycolysis

Human body makes about 20 million erythrocytes in_____.

1. 1. Two Seconds
   2. Three Seconds
   3. One Second
   4. Four Seconds

In man which organisms cause abscesses on the skin of arms or legs?

1. 1. Ascaris
   2. Suinea worm
   3. Bacteria
   4. Ring worm

The Study of organisms inhabiting the sea and Ocean and the physical and chemical characteristics of their environment is _____.

1. 1. Social Biology
   2. Environmental Biology
   3. Fresh Water Biology
   4. Marine Biology

In which of the following location enzymes controlling cellular respiration are present_____.

1. 1. Milochondria
   2. Nucleus
   3. Chlorophast
   4. Ribosome

What is the characteristic feature of consumers?

1. 1. Autotroph
   2. Parasite
   3. Saprophyte
   4. Heterotroph

Complex specialized flagellates living symbiotically in the gut of termites are_____.

1. 1. Trypanosoma
   2. Euglena
   3. Trichonymphas
   4. Radiolarians

Stomata open due to _____of K+ into the guard cells from the surrounding epidermis.

1. 1. Active transport
   2. Diffusion
   3. Osmosis
   4. All of these

Inhibitors which block the enzyme by forming weak bond are called_____.

1. 1. Competitive inhibitors.
   2. Non-competitive inhibitors
   3. Both a and b
   4. Irreversible inhibitors.