Cell The Unit Of Life — DPP 9

20 NEET questions from Cell The Unit Of Life, with answers and explanations. Attempt it as a timed test to get scoring, accuracy breakdown and mistake tracking.

Attempt this test free 20 questions · 30 minutes · +80 marks
1
On the basis of ease of extraction membrane proteins are of two type - extrinsic and intrinsic. How can intrinsic protein be separated from membrane?
  1. A By treating with mild detergent
  2. B By using gram stain
  3. C By using light microscope
  4. D By using electron microscope
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Correct answer: A

2
Which of the following is true for mitochondria?
(A) Mitochondrial ribosome is smaller than prokaryotic ribosome
(B) Single stranded circular DNA is present in matrix
(C) Protein synthesis occurs in Mitochondrial matrix
(D) Outer membrane is highly folded and form cristae
  1. A A, C and D only
  2. B A, B and D only
  3. C Only C
  4. D A and D only
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Correct answer: C

3
Genome is :-
  1. A Part of chromosome
  2. B Half part of a chromosome
  3. C Total DNA in cell
  4. D Total chromosomes in a gamete
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Correct answer: D

4
Hypothesis that the bodies of animals and plants are composed of cells and products of cells was proposed by :-
  1. A Schleiden
  2. B Schwann
  3. C Rudolf Virchow
  4. D Robert Brown
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Correct answer: B

5
Identify for correct set of statements for endoplasmic reticulum :-
(a) ER is known as system of membranes
(b) It has cis-trans face
(c) Ribosomes are present on the surface of RER
(d) SER are the sites of synthesis of lipids and cholesterols Choose the correct answer from the given options below.
  1. A all a, b, c \& d are correct
  2. B b, c and d are correct
  3. C only c and d are correct
  4. D a, c and d are correct
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Correct answer: D

6
Plastids are found in :-
  1. A All plant cells and in Euglenoids
  2. B All animal cells and in Euglenoids
  3. C All bacteria and animal cells
  4. D All plants and bacteria
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Correct answer: A

7
Which of the following components is not a constituent of algal cell wall ?
  1. A Cellulose
  2. B Galactans
  3. C Mannans
  4. D Chitin
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Correct answer: D

8
Which one of the following organelle in the figure correctly matches with its function?
Cell The Unit Of Life – NEET-2702
  1. A Rough endoplasmic reticulum, protein synthesis
  2. B Rough endoplasmic reticulum, formation of glycoproteins
  3. C Golgi apparatus, protein synthesis
  4. D Golgi apparatus, formation of glycolipids
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Correct answer: A

9
Anthocyanin pigment is found in :-
  1. A Chromoplasts
  2. B Amyloplasts
  3. C Cytoplasm
  4. D Cell sap
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Correct answer: D

10
Which of the following is correct regarding arrangement of microtubules in centrioles?
  1. A 9 (doublet) + 2
  2. B 9 (Triplet) + 2
  3. C 9 (Triplet) + 0
  4. D 9 (doublet) + 0
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Correct answer: C

11
45. Read the following statement : (i) Larger and move numerous nucleoli in cell which actively carrying out protein synthesis. (ii) Content of nucleolus is discontinuous with the rest of nucleoplasm. (iii) Chromatin in interphase. (iv) Outer membrane usually remain continuous with endoplasmic reticulum. How many statements among them are incorrect.
  1. A Two
  2. B One
  3. C Four
  4. D Three
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Correct answer: B

12
Select the incorrect statement:
  1. A The chloroplast contains chlorophyll and carotenoid pigments.
  2. B Chromoplast contains water soluble carotenoid pigments like carotene and xanthophylls.
  3. C Plastid is easily observed under microscope.
  4. D Chloroplast is a double membrane bound organelle.
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Correct answer: B

13
What is the average value of labelled $F$ ?
Cell The Unit Of Life – NEET-2621
  1. A $0.2 \mu \mathrm {~m}$
  2. B $0.5 \mu \mathrm {~m}$
  3. C $1.0 \mu \mathrm {~m}$
  4. D $4.1 \mu \mathrm {~m}$
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Correct answer: B

14
Cell membrane of the organism have :-
  1. A Phospholipid bilayer.
  2. B Hydrophobic tail of unsaturated hydrocarbon.
  3. C Maximum amount of cholesterol.
  4. D Both
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Correct answer: D

15
$\mathrm { Na } ^ { + } / \mathrm { K } ^ { + }$pump is an example of :-
  1. A Passive transport
  2. B Osmosis
  3. C Active transport
  4. D Simple diffusion
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Correct answer: C

16
The three dimensional network of protein filaments with in the cytoplasm of eukaryotic cell is called the :-
  1. A Endoplasmic Reticulum
  2. B Golgi apparatus
  3. C Cytoskeleton
  4. D Peroxisome
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Correct answer: C

17
The basic unit of life is :-
  1. A Cell
  2. B Tissue
  3. C Cell organelle
  4. D Mitochondria
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Correct answer: A

18
A single unit membrane organelle is :-
  1. A Ribosome
  2. B Mitochondria
  3. C Chloroplast
  4. D Lysosome
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Correct answer: D

19
The figure below shows the structure of a mitochondrion with its four parts labelled
Cell The Unit Of Life – NEET-2700
  1. A Part (A): Matrix - major site for respiratory chain enzymes
  2. B Part (D): Outer membrane - gives rise to inner membrane by splitting
  3. C Part (B): Inner membrane - forms infoldings called cristae
  4. D Part (C): Cristae - possess single circular DNA molecule and ribosomes
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Correct answer: C

20
Detoxification of harmful drugs is the function of :-
  1. A RER
  2. B SER
  3. C Lysosome
  4. D Mitochondria
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Correct answer: B

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