51.

Genetic material found in Human Immunodeficiency Virus (HIV) is

• Double stranded RNA

• Single stranded RNA

• Double stranded DNA

• Single stranded DNA

Spermatogenesis is under the regulatory influence of

• ADH

• FSH

• LH

• STH

Which of the following can be controlled by using biopesticides?

• Insects

• Diseases

• Weeds

• All of these

Which hormone is secreted in a woman if pregnancy has occurred?

• Estrogen

• Progesterone

• Luteinizing hormone

• Human chorionic gonadotropin

The product of biotechnology is

• transgenic crops (GM crops)

• humulin

• biofertilizer

• All of the above

Menstruation is due to sudden

• Reduction of FSH

• Increase of LH

• Reduction in estrogen and progesterone

• None of the above

Which of these is used to control human population?

• Estrogen + progesterone

• IUCD and MTP

• Tubectomy and vasectomy

•  All of the above

Addiction to alcohol causes

• Cirrhosis

• Epilepsy

• Neurosis

• Psychosis

Which has an additional X-chromosome?

• Turner’s syndrome

• Klinefelter’s syndrome

• Super female

• Down’s syndrome

Origin of life occurred in

• Precambrian

• Coenozoic

• Palaeozoic

• Mesozoic