Question # 1

The optimum temperature for the germination of the seeds of most plants ranges from:

20 - 30 ^oC

25 - 35^oC

25 - 30^oC

20 - 25^oC

The number of dug addicts in Pakistan's currently to be about:

200000

300000

400000

500000

The nitrate forming bacteria are.

Rhizobium

Nitrosomonas

Nitrobacter

Cocci

Outside back bone of double helix is made up:

Sugar

Phosphate

Sugar Phosphate

None of these

Streptomycin is obtained from.

Bacteria

Virus

Fungi

Microoganisum

Special organs , tissues or cells of the body which detect stimulae:

Receptors

Coordination

Effectors

Dentrites

Biology Life Science Test Easy Mode MCQs With Answers