List of top Questions asked in NEET (UG)

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:

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

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

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

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?

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

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 :-

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-

One gene-one enzyme hypothesis was postulated by:

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