NEET 2017

Spliceosomes are not found in cells of :

During DNA replication, Okazaki fragments are used to elongate

The association of histone H1 with a nucleosome indicates :

If there are 999 bases in an RNA that codes for a protein with 333 amino acids, and the base at position 901 is
deleted such that the length of the RNA becomes 998 bases, how many codons will be altered ?

Coconut fruit is a

In Bougainvillea, throns are the modifications of

The morphological nature of the edible part of coconut is

Good vishion depends on adequate intake of carotene rich food.
Select the best option from the following statements.
(1)  Vitamins A derivatives are formed from carotene,
(2)  The photopigments are embedded in the membrane discs of the inn...

Myelin sheath is produced by

Receptor sites for neurotransmitters are present on

Presence of plants arranged into well defined vertical layers depending on their height can be seen best in :

Mycorrhizae are the example of :

Plants which produce characteristic pneumatophores and show vivipary belong to :

Asymptote in a logistic growth curve is obtained when :

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

Phosphoenol pyruvate (PEP) is the primary CO2 acceptor in

Fruit and leaf drop at early stages can be prevented by the application of

Zygotic meiosis is characteristic of

Life cycles of Ectocarpus and Fucus respectively are

An example of colonial alga is

Select the mismatch

Which one from those given below is the period for Mendel’s hybridisation experiments ?

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

The genotypes of a Husband and Wife are IAIB and IAi.
Among the blood types of their children, how many different genotypes and phenotypes are possible?

Thalassemia and sickle cell anemia are caused due to a problem in globin molecule synthesis. Select the correct statement.

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

The function of copper ions in copper releasing IUD's is :

In case of a couple where the male is having a very low sperm count, which technique will be suitable for fertilization ?

Match the following sexually transmitted diseases (Column – I) with their causative agent (Column – II) and
select the correct option

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Which statement is wrong for Krebs' cycle?

Attractants and rewards are required for

A dioecious flowering plant prevents both

Flowers which have single ovule in the ovary and are packed into inflorescence are usualy pollinated by

Functional megaspore in an angiosperm develops into an

Double fertilisation is exhibited by

Homozygous purelines in cattle can be obtained by :

Artificial selection to obtain cows yielding higher milk output represents :

Frog’s heart when taken out of the body continues to beat for sometime.
Select the best option from the following statements.
(a) Frog is a poikilotherm
(b) Frog does not have any coronary circulation
(c) Heart is “myogenic” in nature
(d) H...

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

Which of the following facilitates opening of stomatal aperture?

The water potential of pure water is