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NEET Past Year Paper with Video Solutions

by NEET
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Which has the maximum number of molecules among the following?

A

B

C

D

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A

B

C

D

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A

0.955 M and 1.910 M

B

1.910 M and 0.955 M

C

1.90 M and 1.910 M

D

0.477 M and 0.477

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10g of hydrogen and 64 g of oxygen were filled in a steel vessel and exploded. Amount of water produced in this reaction will be :-

A

1 mol

B

2 mol

C

3 mol

D

4 mol

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An organic compound contains carbon, hydrogen and oxygen. Its elemental analysis gave C, 38.71% and H, 9.67%. The empirical formula of the compound would be :-

A

B

C

D

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How many moles of lead (II) chloride will be formed from a reaction between 6.5 g of PbO and 3.2 g of HCl ? (Atomic wt. of Pb=207)

A

0.011

B

0.029

C

0.044

D

0.333

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A

B

C

D

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A

5 L

B

10 L

C

7 L

D

6 L

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The mass of carbon anode consumed (giving only carbondioxide) in the production of 270 Kg of aluminium metal from bauxite by the Hall process is :

A

180 Kg

B

270 Kg

C

240 Kg

D

90 Kg

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Offsets are produced by

A

Parthenocarpy

B

Mitotic divisions

C

Meiotic divisions

D

Parthenogenesis

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The label of a herbarium sheet does not carry information on

A

date of collection

B

name of collector

C

local names

D

height of the plant.

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Study the four statements (A-D) given below and select the two correct ones out of them.

A

Definition of biological species was given by Ernst Mayr.

B

Photoperiod does not affect reproudction in plants.

C

Binomial nomenclature system was given by R.H. Whittaker.

D

In unicellular organisms, reproduction is synonymous with growth.

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Nomenclature is governed by certain universal rules. Which one of the following is countary to the rules of nomenclature ?

A

The names are written in Latin and are italicised.

B

When written by hand the name are to be underlined.

C

Biological name can be written in any language.

D

The first word in a biological name represents the genus name and the second is a specific epithet.

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Which one of the following is not a correct statement ?

A

A museum has collection of photographs of plants and animals.

B

Key is a taxonomic aid for identification of specimens.

C

Herbarium houses dried, pressed and preserved plant specimens.

D

Botanical gradens have collection of living plants for reference.

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Which one of the following animals is correctly matched with its particular named taxonomic category

A

Housefly-Musca, an order

B

Tiger-tigris, the species

C

Cuttlefish-Mollusca, a class

D

Humans-Primata, the family

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Two plants can be conclusively said to belong to the same species if they:

A

Have same number of chromosomes

B

Can reproduce freely with each other and form seeds

C

Have more than 90 percent similar genes

D

Look similar and possess identical secondary metabolites.

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The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability for:

A

Growth and movement

B

Responsiveness to touch

C

Interaction with the environment and progressive evolution

D

Reproduction

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Biological organization starts with:

A

Atomic level

B

Submicroscopic molecular level

C

Cellular level

D

Organismic level

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ICBN stands for:

A

Indian Code of Botanical Nomenclature

B

Indian Congress of Biological Names

C

International code of Botanical Nomenclature

D

International Congress of Biological Names

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Which of the following is not true for a species?

A

Members of a species can interbreed

B

Variations occur among members of a species

C

Gene flow does not occur between the populations of a species

D

Each species is reproductively isolated from every other species.

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