List of top Biology Questions asked in NEET (UG)

Which structures perform the function of mitochondria in bacteria?

Given below is a simplified model of phosphorus cycling in a terrestrial ecosystem with four blanks (A-D). Identify the blanks.

Tracheids differ from other tracheary elements in:

Which one of the following is a non-reducing carbohydrate?

In which one of the following processes CO2 is not released?

Which of the following shows coiled RNA strand and capsomeres?

A location with luxuriant growth of lichens on the trees indicates that the:

The main function of mammalian corpus luteum is to produce:

Select the correct option.

Direction of RNA synthesis		Direction of reading of the template DNA strand
(1)	3' — 5'	5' — 3'
(2)	5' — 3'	5' — 3'
(3)	3' — 5'	3' — 5'
(4)	5' — 3'	3' — 5'

When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as

Which vector can clone only a small fragment of DNA?

If 20 J of energy is trapped at producer level, then how much energy will be available to peacock as food in the following chain?
Plant \(→\) Mice \(→\) Snake \(→\) Peacock

A species facing extremely high risk of extinction in the immediate future is called:

The organization which publishes the Red List of species is:

Archaebacteria differ from eubacteria in:

An analysis of chromosomal DNA using the southern hybridisation technique does not use:

Select the option which is not correct with respect to enzyme action:

You are given a fairly old piece of dicot stem and a dicot root. Which of the following anatomical structures will you use to distinguish between the two?

During which phase(s) of cell cycle, amount of DNA in a cell remains at 4C level if the initial amount is denoted as 2C?

Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule?