List of top Questions asked in AP EAPCET

The intra uterine devices (IUDs) that make uterus unsuitable for implantation and cervix hostile to sperms are:

Sex determination in butterflies is:

Transfer of DNA strands from agarose gel to nylon membrane is known as:

Study the following and pick up the correct statements.
I. Klinefelter's syndrome is an example for trisomy in allosomes.
II. Turner's syndrome is due to monosomy in allosomes.
III. Down's syndrome is due to trisomy of $21^{\text{st}}$ chromosome.
IV. Aneuploidy is due to non-disjunction during gametogenesis.

Assertion (A): Ovulation generally will not immediately occur following parturition.
Reason (R): Use of oral contraceptive pills inhibits ovulation.

Study the following statements regarding immune system and identify the correct statements.
A) Humoral immunity helps in apoptosis.
B) Destruction of microbes by natural killer cells is called first line of defence.
C) The mature lymphocytes are transformed into functional lymphocytes in appendix.
D) The attack of HIV on certain tissues is referred as tissue tropism.

Match the following:

Allergy is caused due to the release of chemicals like:

The hormone that promotes the activation of calciferol into calcitriol is:

Assertion (A): Reduced blood supply to heart muscles causes ischemia which results in chest pain.
Reason (R): It is a warning signal of deprivation of blood supply to heart muscles.

Study the following statements regarding muscle and identify incorrect statements.
A) In mammals the sarcolemma penetrate between A and I bands to form T-tubule.
B) Tetanus is caused due to accumulation of uric acid crystals.
C) Troponin is distributed at regular intervals on tropomyosin.
D) White muscle fibres have more mitochondria and depends on anaerobiosis.

The respiratory centre that regulates breathing rhythm is located in:

Match the following:

Match the following:

Choose among the following spinal nerves of sacral region that form the part of cranio sacral division.

Match the following:

Natural ageing of lake due to enrichment of nutrients is known as:

Assertion (A): Most marine bony fishes drink sea water continuously.
Reason (R): They lose water from their body to the surrounding sea water by osmosis.

Statement I: Gastrin stimulates secretion of gastric juice.
Statement II: Cholecystokinin (CCK) stimulates contraction of gall bladder.

In cockroach, identify the incorrectly matched pair:

Assertion (A): Elephantiasis is due to the obstruction of lymphatic vessels by accumulation of dead filarial worms.
Reason (R): First stage microfilaria larva is the infective stage to humans.

Statement I: Typhoid bacteria are transmitted through contaminated food and water.
Statement II: Salmonella typhi is a gram-positive bacterium.

Study the following statements regarding the tracheal system of cockroach:
I. Tracheae possess spiral thickenings called taenidia.
II. Tracheoles are lined internally by chitinous intima.
III. Tracheoblast is the terminal cell of trachea.
IV. Tracheoles are closely associated with mitochondria in tissues.
Identify the correct statements

Which type of locomotory structure is temporary and formed by cytoplasmic projection?

Ringworm is caused by