The secretory phase in the human menstrual cycle is also called as

• Luteal phase and last for about 6 days

• Follicular phase lasting for about 6 days

• Luteal phase and last for about 13 days

• Follicular phase and last for about 13 days.

If two persons with 'AB' blood group marry and have a sufficiently large number of a children, these children could be classified as 'A' blood group. 'AB blood group 'B' blood group in 1:2:1 ratio.

The modern technique of protein electrophoresis reveals the presence of both 'A' and 'B' type proteins in 'AB' blood group individuals. This is an example of

• Codominance

• Incomplete dominance

• Partial dominance

• Compelete dominance

The method of directly injecting a sperm into ovum in assisted reproductive technology is called.

• GIFT

• ZIFT

• ICSI

• ET

Bartholin’s gland is found in

• Penis

• Stomach

• Liver

• Vagina

Which one of the following statements best characterises the testis?

• The seminiferous epithelium contains only proliferative cells

• Functional compartmentalisation of the seminiferous epithelium depends on tight junctions

• The interstitial tissue contains few capillaries

• The seminiferous epithelium contains numerous capillaries

Drugs that cause malformation in developing embryo during pregnancy are called

• Teratogens

• Nicotine

• Tranquillisers

• Alcoholic beverages

Which set is similar?

• Corpus luteum – Graafian follicles

• Sebum – Sweat

• Vitamin-B₇ – Niacin

• Bundle of His – Pacemaker

One of these is not concerned with wildlife conservation

• IVF

• IUCN

• WWF

• IBWL

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

• Estrogen

• Progesterone

• Luteinizing hormone

• Human chorionic gonadotropin

Menstruation is due to sudden

• Reduction of FSH

• Increase of LH

• Reduction in estrogen and progesterone

• None of the above