Consider the following pairs:

Types of barriers of innate immunity: Example

1) Physical : Skin

2) Physiological : Saliva

3) Cellular : Interferon

4) Cytokine : Leukocytes

Which of the pairs given above are correctly matched?

Which of the following substances act as allergens?

1) Mites in dust

2) Pollens

3) Animal dander

4) Talcum powder

Select the correct answer using the codes given below:

Which of the following mammals exhibit cyclical change during reproduction that is called oestrus cycle?

1) Cow

2) Sheep

3) Rat

4) Deer

5) Monkey

Select the correct answer using the codes given below:

The anti-microbial coating can be applied on the surfaces, such as textiles, plastics, etc. Consider the following statements in this regard:

1) The coating kills all types of microbes such as fungus, bacteria and viruses.

2) The compounds used for coating are soluble in plastics, textiles, PVC, polystyrene and polyurethane.

3) The microbes get killed as the coating disrupts the membranes of the pathogens.

Which of the statements given above are correct?

Which of the following are the basic components of DNA finger printing?

1) Polymerase Chain Reaction (PCR)

2) Variable Number Tandem Repeat (VNTR)

3) Restriction Fragment Length Polymorphism (RFLP)

Select the correct answer using the codes given below: