Cell The Unit Of Life — DPP 2

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.

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1
The organelle which have varied number of cisternae and are concentrically arranged near the nucleus with distinct face is :-
  1. A Endoplasmic reticulum
  2. B Mitochondria
  3. C Golgi body
  4. D Rough endoplasmic reticulum
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Correct answer: C

2
Elaioplasts are absent in :-
  1. A Solanum tuberosum (Potato)
  2. B Cocos nucifera (Coconut)
  3. C Arachis hypogea (Ground nut)
  4. D Helianthus annuus (Sunflower)
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Correct answer: A

3
Shape of chloroplast found in Spirogyra is :-
  1. A Lens shaped
  2. B Oval
  3. C Spherical
  4. D Ribbon like
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Correct answer: D

4
Which of the following is known as "System of membranes"?
  1. A Lysosome
  2. B E.R.
  3. C Mitochondria
  4. D Chloroplast
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Correct answer: B

5
Arms of 'A' tubules in cilium and flagellum, consist of an enzymatic protein :-
  1. A Actin
  2. B Dynein
  3. C Myosin
  4. D Tubulin
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Correct answer: B

6
The cytoskeleton in a cell are involved in many functions such as :-
  1. A Mechanical support
  2. B Motility
  3. C Maintenance of shape
  4. D All of these
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Correct answer: D

7
Vacuole in a plant cell: -
  1. A Lacks membrane and contains air
  2. B Lacks membrane and contains water and excretory substances
  3. C Is membrane-bound and contains storage proteins and lipids
  4. D Is membrane-bound and contains water and excretory substances
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Correct answer: D

8
Smallest cell organelle is :-
  1. A Lysosome
  2. B Centrosome
  3. C Ribosome
  4. D Golgibody
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Correct answer: C

9
Which statement provides correct information regarding prokaryotic and eukaryotic flagella:
  1. A The prokaryotic cell also possess flagella but these are structurally different from that of eukaryotic flagella.
  2. B Prokaryotic and eukaryotic both flagella are structurally similar.
  3. C In case of both microtubule arrangement is $9 + 2$.
  4. D In case of both flagella is made up of microtubule and flagellin protein.
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Correct answer: A

10
Which one of the following structures is an organelle within an organelle?
  1. A ER
  2. B Mesosome
  3. C Ribosome
  4. D Peroxisome
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Correct answer: C

11
In plants, the (A) $\_\_\_\_$ facilitates the transport of a number of ions and other materials against concentration gradient into the (B) $\_\_\_\_$.
  1. A A - Tonoplast B - Vacuole
  2. B A - Outer membrane B - Mitochondria
  3. C A - Outer membrane B - Chloroplast
  4. D A - Tonoplast B - Mitochondria
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Correct answer: A

12
Salivary gland chromosome is concerned with :-
  1. A vitellogenesis
  2. B formation of ribosomes
  3. C lipid synthesis
  4. D metamorphosis in some insects
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Correct answer: D

13
To keep the cell in the 'Living state', various chemical reactions occur in :-
  1. A Nucleus
  2. B Cell membrane
  3. C Cytoplasm
  4. D Cell wall
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Correct answer: C

14
Given below are two statements :-
Statement-I : Nucleus is called to be controller or director of cell.
Statement-II : Golgi complex is endosymbiont in origin.
In the light of the above statements, choose the most appropriate answer from the options given below:
  1. A Both Statement-I and Statement-II are correct.
  2. B Statement-I is correct but statement-II is incorrect.
  3. C Statement-I is incorrect and Statement-II is correct.
  4. D Both Statement-I and II are incorrect.
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Correct answer: B

15
Nuclear envelope consists of parallel membranes with a space called perinuclear space which is about :-
  1. A 10 to $50 \AA$
  2. B 100 to $500 \AA$
  3. C 1000 to $5000 \AA$
  4. D 1 to $5 \AA$
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Correct answer: B

16
The telomeres of eukaryotic chromosomes consist of short sequences of -
  1. A Cytosine rich repeats
  2. B Adenine rich repeats
  3. C Guanine rich repeats
  4. D Thymine rich repeats
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Correct answer: C

17
Given below are two statement -
Statement-I :- At number of places the nuclear envelop is interrupted by minute pores.
Statement-II :- Material of the nucleus stained by the acidic dye was given the name chromatin by Flemming.
In the light of the above statements, choose the correct answer from the options given below -
  1. A Both statement I and statement II are correct
  2. B Both statement I and statement II are incorrect
  3. C Statement I is correct but statement II is incorrect
  4. D Statement I is incorrect but statement II is correct
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Correct answer: C

18
All living beings are composed of $\_\_\_\_$ ?
  1. A Cells and product of cells
  2. B Cells only
  3. C Product of cells only
  4. D Nucleus only
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Correct answer: A

19
The pattern arrangement of axonemal microtubules is referred to as the $\_\_\_\_$ array :
  1. A $9 + 2$
  2. B $9 + 0$
  3. C $27 + 2$
  4. D $27 + 0$
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Correct answer: A

20
Chromosomes are composed of :-
  1. A DNA, RNA, Histones, Non histones
  2. B DNA and Histones
  3. C DNA and RNA
  4. D DNA, RNA and Histones
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Correct answer: A

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