The alternate form of a factor that governs character is called
 1) Heterozygous condition
 2) Linkage
 3) Alleles
 4) Homozygous condition

Penicillin was discovered by
1.Alexander Fleming
2. Robert Koch
3. P. Ehrilick
4. S. Waksman

The largest gland in the human body is
 (1) liver
 (2) gall bladder
 (3) brain
 (4) pancreas

This process begins with the production of Acetyl-CoA:
 1) chemiosmosis
 2) glycolysis
 3) fermentation
 4) krebs cycle

Which of the following would be most useful in reducing the rate of transpiration in a plant?

1) Increasing the extent of the root system
2) Having a thin cuticle
3) Having sunken stomata
4) Increasing the surface area to volume ratio of leaves

Which of the following vitamin deficiency depresses level of prothrombin ?
1. vitamin A
2. vitamin B
3. vitamin K
4. vitamin E
 

 The antibiotic activity of fungus Pencillium was first noted by

 1. De Bary
 2. Walker
 3. Flemming
 4. Blakeslee

Meiosis occurs in organisms during 

1) Sexual reproduction
2) Vegetative reproduction
3) Both sexual and vegetative reproduction
4) None of these

 The head cap of a sperm is called 
1. centrosome 
2. acrosome 
3. lysosome 
4. none of the these

In man, normal blood glucose level per 100 ml of blood is
1) 50-80 mg

2) 80-120 mg

3) 100-150 mg

4) 120-180 mg