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NEET Biology Solved Question Paper 2014

Multiple Choice Questions

Five Kingdom system of classification suggested by RH Whittaker is not based on

presence or absence of a well-defined nucleus
mode of reproduction
Mode of nutrition
Mode of nutrition

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2.
Archaebacteria differ from eubacteria in

cell membrane structure

mode of nutrition

cell shape

cell shape

cell membrane structure

Archeabacteria different from eubacteria in that eubacteria has two cell membrane composed mainly of glycerol - ester lipids, while archaebacteria have a membrane made up of glycerol - ether lipid. Ether lipids are chemically more resistant then ester lipids. This stability help archaebacteria survive at high temperature and in very acidic or alkaline environment.

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Which of the following is responsible for peat formation?

Marchantia
Riccia
Funaria
Funaria

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Tracheids differ from other treachery elements

having Casparian strips
being imperforate
lacking nucleus
lacking nucleus

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Which structures perform the function of mitochondria in bacteria?

Nucleoid
Ribosomes
Cell wall
Cell wall

735 Views

An example of edible underground stem is

carrot
groundnut
sweet potato
sweet potato

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The solid linear cytoskeletal elements having a diameter of 6 nm and made up of a single type of monomer are known as

microtubules
microfilaments
intermediate filaments
intermediate filaments

986 Views

During which phase (s0 of the cell cycle, the amount of DNA in a cell remains at the 4C level if the initial amount is denoted as 2C?

G_o and G₁
G₁ and S
Only G₂
Only G₂

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Match the following and select the correct answer.

Column I		Column II
A.	Centriole	1.	Infolding in mitochondria
B.	Chlorophyll	2.	Thylakoids
C.	Cristae	3.	Nucleic acid
D.	Ribozymes	4.	Basal body cilia of flagella

A

B

C

D

4

3

1

2
A

B

C

D

1

2

4

3
A

B

C

D

1

3

2

4
A

B

C

D

1

3

2

4

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10.

Dr F went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of freshly cut coleoptile stumps. Of what significance is this experiment?

It made possible the isolation and exact identification of auxin
It is the basis for quantitative determination of small amounts of growth - promoting substances
It supports the hypothesis that IAA is auxin
It supports the hypothesis that IAA is auxin

1218 Views