NEET 2022 Phase 2

Interfascicular cambium is present between

Initiation of lateral roots and vascular cambium during secondary growth takes place in cells of

Which of the following animals has three chambered heart?

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Select the incorrect statements with respect to Cyclostomes:
(a) They lack scales and paired fins.
(b) They have circular mouth with jaws.
(c) They bear 6-15 pairs of gills.
(d) They migrate to deep sea for spawning.
Choose the most appropr...

Give the correct descending order of organisms with reference to their estimated number found in Amazon forest.
(a) Plants (b) Invertebrates (c) Fishes (d) Mammals (e) Birds
Choose the correct answer from the options given below :

The World Summit on sustainable development held in 2002 in Johannesburg, South Africa pledged for

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Match the List-I with List-II :

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Frugivorous birds are found in large numbers in tropical forests mainly because of :

Western Ghats have a large number of plants and animal species that are not found anywhere else. Which of the following term is used to notify such species?

Which of the following are true about the taxonomical aid 'key'?
(a) Keys are based on the similarities and dissimilarities.
(b) Key is analytical in nature.
(c) Keys are based on the contrasting characters in pair called couplet.
(d) Same ...

Mad cow disease in cattle and Cr Jacob disease in humans are due to infection by ______.

When a carrier protein facilitates the movement of two molecules across the membrane in same direction, it is called

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Primary proteins are also called as polypeptides because :

Which of the following pair represents free living nitrogen fixing aerobic bacteria?

Choose the incorrect enzymatic rection:

If DNA contained sulfur instead of phosphorus and proteins contained phosphorus instead of sulfur, what would have been the outcome of Hershey and Chase experiment?

Given below are two statements:
Statement I : Amino acids have a property of ionizable nature of \(-\)NH2 and \(-\)COOH groups, hence have different structures at different pH.
Statement-II : Amino acids can exist as Zwitterionic form at ac...

In the enzyme which catalyses the breakdown of:
H2O2 \(\to\) H2O + O2
the prosthetic group is :

Milk of transgenic ‘Cow Rosie’ was nutritionally more balanced product for human babies than natural cow milk because it contained:

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : When a particular restriction enzyme cuts strand of DNA, overhanging stretches or sticky ends are formed.
Reason (R) :...

Separation of DNA fragments is done by a technique known as

The enzyme (a) is needed for isolating genetic material from plant cells and enzyme (b) for isolating genetic material from fungus. Choose the correct pair of options from the following :

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Pathogenic bacteria gain resistance to antibiotics due to changes in their :

Which of the following methods is not commonly used for introducing foreign DNA into the plant cell?

Refer to the following statements for agarose-gel electrophoresis:
(a) Agarose is a natural polymer obtained from sea-weed.
(b) The separation of DNA molecules in agarose-gel electrophoresis depends on the size of DNA.
(c) The DNA migrates ...

A unique vascular connection between the digestive tract and liver is called______.

Arrange the following formed elements in the decreasing order of their abundance in blood in humans:
(a) Platelets (b) Neutrophils (c) Erythrocytes (d) Eosinophils (e) Monocytes
Choose the most appropriate answer from the options given belo...

Identify the region of human brain which has pneumotaxic centre that alters respiratory rate by reducing the duration of inspiration.

Which of the following statements are correct with respect to vital capacity?
(a) It includes ERV, TV and IRV
(b) Total volume of air a person can inspire after a normal expiration.
(c) The maximum volume of air a person can breathe in afte...

Which stage of meiosis can last for months or years in the oocytes of some vertebrates?

Identify the correct sequence of events during Prophase I of meiosis:
(a) Synapsis of homologous chromosomes
(b) Chromosomes become gradually visible under microscope
(c) Crossing over between non-sister chromatids of homologous chromosomes...

Bivalent or Tetrad formation is a characteristic feature observed during

With respect to metaphase, which of the following statements is incorrect?

The Phenomenon by which the undividing parenchyma cells start to divide mitotically during plant tissue culture is called as

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Which type of substance would face difficulty to pass through the cell membrane?

If the pH in lysosomes is increased to alkaline, what will be the outcome?

Give below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): FSH which interacts with membrane bound receptors does not enter the target cell.
Reason (R): Binding of FSH to its rece...

Role of enamel is to

All successions irrespective of the habitat proceed to which type of climax community?

The pioneer species in a hydrarch succession are

The species that come to appear in bare area are called

The amount of biomass or organic matter produced per unit area over a time period by plants during photosynthesis is called

Two butterfly species are competing for the same nectar of a flower in a garden. To survive and coexist together, they may avoid competition in the same garden by :

Why CNG is considered better fuel than diesel?
(a) It can not be adulterated.
(b) It takes less time to fill the fuel tank
(c) It burns more efficiently.
(d) It is cheaper.
(e) It is less inflammable.
Choose the most appropriate answer from...

Panspermia, an idea that is still a favourite for some astronomers, means: