List of top Biology Questions asked in NEET (UG)

Double fertilization is exhibited by :

Which one of the following is related to Ex-situ conservation of threatened animals and plants ?

Which ecosystem has the maximum biomass ?

With reference to factors affecting the rate of photosynthesis, which of the following statements is not correct ?

An example of colonial alga is :

Identify the wrong statement in context of heartwood:

Life cycle of Ectocarpus and Fucus respectively are:

Zygotic meiosis is characteristic of ;

Select the correct route for the passage of sperms in male frogs :

Which of the following is made up of dead cells?

Lungs are made up of air-filled sacs, the alveoli. They do not collapse even after forceful expiration, because of:

A disease caused by an autosomal primary non- disjunction is:

Plants which produce characteristic pneumatophores and show vivipary belong to :

Homozygous purelines in cattle can be obtained by

A decrease in blood pressure/volume will not cause the release of

Among the following characters, which one was not considered by Mendel in his experiments on pea?

Good vision depends on adequate intake of carotene rich food.
Select the best option from the following statements:

1. Vitamin A derivatives are formed from carotene .
2. The photopigments are embedded in the membrane discs of the inner segment.
3. Retinal is a derivative of vitamin A.
4. Retinal is a light absorbing part of all the visual photopigments.

Lungs are made up of air-filled sacs the alveoli. They do not collapse even after forceful expiration, because of:

In Bougainvillea thorns are the modifications of

GnRH, a hypothalamic hormone, needed in reproduction, acts on

Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?

During DNA replication, Okazaki fragments are used to elongate

Which one of the following statements is correct, with reference to enzymes?

Which of the following are not polymeric?

Attractants and rewards are required for