List of top Biology Questions

F particles are present in the inner mitochondrial membrane. An electron gradient formed on the inner mitochondrial membrane, forms ATP

Ciliated epithelium is present in the inner lining of trachea and large bronchi. Ciliary movement propel the mucus and foreign particle towards the larynx.

Which one of the following is a matching pair of a drug and its category?

The great barrier reef along the east coast of Australia can be categorized as

A baby has been born with a small tail. It is the case exhibiting

The plant part which consists of two generations one within the other, is

Cultivation of Bt cotton has been much in the news. The prefix Bt means:

An insect bite may result in inflammation of that spot. This is triggered by the alarm chemicals such as

Which group of animals exhibits bilateral and radial symmetry 'in larval and adult stages respectively?

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.

Yellowish edges appear in leaves deficient in

Write the present expansion for WWF

Which of the following can NOT be patented ?