In a human male, a sperm will contain:

1. Both X and Y chromosomes
2. Only Y Chromosomes
3. Only X chromosome
4. Either X or Y Chromosomes

A muscular wall is absent in:

1. Capillary
2. Venule
3. Arteriole
4. Vein

Which one of the following does not affect the rate of transpiration ?

1. Light
2. Humidity
3. Wind
4. Age of the plant

Identify the ODD term in each set and name the CATEGORY to which the remaining three belong :

     Example: Glucose, starch, cellulose, calcium
     Odd term: Calcium.
     Category: Others are different types of carbohydrates

(i) Addison's disease, Cushing's Syndrome, Acromegaly, Leukemia.

(ii) Insulin, Adrenaline, Pepsin, Thyroxine.

(iii) Axon, Dendron, Photon, Cyton.

(iv) Chicken pox, Colour blindness, Haemophilia, Albinism.

(v) Polythene bag, Crop residue, Animal waste, Decaying vegetable.