List of top Biology Questions asked in AIPMT

$DDT$ residues are rapidly passed through food chain causing biomagnification because $DDT$ is

To which type of barriers under innate immunity, do the saliva in the mouth and the tears from the eyes, belong?

Replum is present in the ovary of flower of

Which one of the following pairs of nitrogenous bases of nucleic acids, is wrongly matched with the category mentioned against it?

Vascular tissues in flowering plants develop from

Vacuole in a plant cell

Keeping in view the 'fluid mosaic model' for the structure of cell membrane, which one of the following statement is correct with respect to the movements of lipids and proteins from one lipid monolayer to the other (described as flipflop movement)?

In germinating seeds fatty acids are degraded exclusively in the

Gel electrophoresis is used for the

According to Central Pollution Control Board (CPCB), which particulate size in diameter (in micrometers) of the air pollutants is responsible for greatest harm to human health?

A lake near a village suffered heavy mortality of fishes within a few days. Which of the following statements could be the correct explanation for this? (i) Lots of urea and phosphate fertilisers were used in the crops in the nearby fields. (ii) The croplands of the village were fertilised fields rich in nitrate and phosphate. (iii) The lake water turned green and stinky. (iv) Phytoplankton populations in the lake declined initially thereby greatly reducing photosynthesis.

Passage cells are thin - walled cells found in

The Okazaki fragments in $DNA$ chain growth : -

Both sickle cell anaemia and Huntington? chorea are

Parthenocarpic tomato fruits can be produced by-

One gene - one enzyme hypothesis was postulated by -

Metameric segmentation is the characteristic of-

Mast cells secrete-

Photochemical smog pollution does not contain-

Limit of BOD prescribed by Central Pollution Control Board for the discharge of industrial and municipal waste waters into natural surface waters is-

In which one pair, both the plants can be vegetatively propagated by leaf pieces?

Through which cell of the embryo sac, does the pollen tube enter the embryo sac?

In a woody dicotyledonous tree, which of the following parts will mainly consist of primary tissues?

Golden rice is a transgenic crop of the future with the following improved trait

Which one of the following is not used for disinfection of drinking water ?