- 2 months
- 6 months
- 6-18 months
- 4-6 years
- A
All Testing Services Solved Papers
IgA is the main antibody in which one of the following situations?
- In Primary Response
- In Secondary Response
- In Secretions
- On B cell surface
- A
-
IgA is the one of the five primary immunoglobulin.
IgA plays vital role against infectious microorganisms.
Which one of the following compound can be presented by MHC proteins?
- Dipeptides
- Lipids
- Polypeptides
- Disaccharides
- A
-
MHC stands for Major Histocompatibility Complex.
The killed vaccine used against poliovirus is also known as:
- Oral Vaccine
- OPV
- Salk
- Sabin
- B
-
OPV stands for Oral Polio Vaccine.
Bacteria growing on raw sewage use most of the oxygen from water. What will be happen to fish living in that water?
- They won’t be able to swim in the water
- They will get more food
- They will get small
- They will die of suffocation
- A
People from an area near a factory are suffering from bronchitis. What can be the cause of it?
- Polluted water from factory
- Toxic matter from factory
- Polluted air from factory
- Solid waste from factory
- C
-
Emmited polluted air from factories are main cause of bronchitis.
Smoking is another cause of bronchitis.
Which of the structure is not present in plant cell?
- Cell Wall
- Centrosomes
- Nucleus
- Vacuole
- B
-
Centrosomes and Lyosomes are found in animal cells not exist in plant cells.
Spirogyra, Volvox and chlamydomonas are examples of:
- Fungi
- Bacteria
- Algae
- Plants
- C
Coolants in refrigerators and air conditioners contribute to what environmental hazard?
- Acid Rain
- Ozone Depletion
- Oil Spillage
- Global Warming
- B
-
Some refrigerators are extremely harmful for Ozone layer and greenhouse gases also.
What are the different shapes of bacteria?
- Rod and round only
- Round and spiral only
- Rod and spiral only
- Spiral, Rod and cockscrew
- D
-
Bacteria are classified into five groups accrding to their shapes, which are:
Spherical
Rod
Spiral
Comma
Cockscrew