List of top Questions asked in NEET (UG)

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

Pentamerous actinomorphic flowers, bicarpellary ovary with oblique septa, and fruit capsule or berry, are characteristic features of-

In maize, hybrid vigour is exploited by:

Crop plants grown in monoculture are:

Montreal protocol which calls for appropriate action to protect the ozone layer from human activities was passed in the year:

In which of the following fruits is the edible part the aril?

What would be the number of chromosomes in the cells of the aleurone layer in a plant species with 8 chromosomes in its synergids?

When photons of energy hv fall on an aluminum plate (of work function E₀), photoelectrons of maximum kinetic energy K are ejected. If the frequency of the radiation is doubled, the maximum kinetic energy of the ejected photoelectrons will be :

Two bodies, A (of mass 1 kg) and B (of mass 3 kg) are dropped from heights of 16 m and 25 m, respectively. The ratio of the time taken by them to reach the ground is

Antibodies in our body are complex-

Which one of the following is a matching set of a phylum and its three examples?

Restriction endonuclease:

Which of the following statements regarding cilia is not correct?

A Carnot engine whose sink is at 300 K has an efficiency of $40 \%. $ By how much should the temperature of source be increased so as to increase its efficiency by $50 \%$ of original efficiency :-

In a set of reactions propionic acid yielded a compound $D$. $CH_3CH_2COOH\xrightarrow{SOCL_2} B\xrightarrow{NH_3}C\xrightarrow [Br_2]{KOH} D$ The structure of $D$ would be

The molar specific heat at constant pressure of an ideal gas is (7/2)R. The ratio of specific heat at constant pressure to that at constant volume is :-

The causative agent of mad-cow disease is a-

Sertoli cells are regulated by the pituitary hormone known as-

Amino acid sequence, in protein synthesis is decided by the sequence of-

Areolar connective tissue joins-

The thalloid body of a slime mould (Myxomycetes) is known as -

HIV that causes AIDS, first starts destroying

Which one of the following statements is incorrect?

Earthworms are-

Which of the following is an accumulation and release centre of neurohormones ?