Cell The Unit Of Life — DPP 12

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
ER is concerned with the synthesis of :-
  1. A Lipid
  2. B Steroid hormone
  3. C Proteins
  4. D All of the above
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Correct answer: D

2
Chloroplast, chromoplast, leucoplast are classified under the :-
  1. A Plastid
  2. B Cytoskeleton
  3. C Mitochondria
  4. D Lysosome
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Correct answer: A

3
If volume of the cell is filled with semi-fluid matrix called cytoplasm, what kind of cell is it?
  1. A Eukaryotic cells
  2. B Prokaryotic cells
  3. C Both (A) and (B)
  4. D None of these
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Correct answer: C

4
Chromosome with centromere slightly away from center is known as -
  1. A Metacentric
  2. B Submetacentric
  3. C Acrocentric
  4. D Telocentric
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Correct answer: B

5
Prokaryotic ribosomes are $70 \mathrm {~S} , \mathrm {~S}$ refers to :
  1. A Svedberg unit
  2. B Smallest unit
  3. C Smooth
  4. D Speed
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Correct answer: A

6
Match between column I and column-II and choose the correct answer?
Cell The Unit Of Life – NEET-2872
  1. A A-iv B-iii C-ii D-i
  2. B A-iv B-ii C-i D-iii
  3. C A-i B-ii C-iii D-iv
  4. D A-iii B-iv C-ii D-i
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Correct answer: A

7
Which of the following is capable of growth and gradually diminishes as the cell matures?
  1. A Primary cell wall
  2. B Secondary cell wall
  3. C Middle lamella
  4. D Cell membrane
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Correct answer: A

8
Read the following statements :- (A) Both the chromatids of chromosome are joined by a structure called centromere (B) During cell division spindle fibres are attached to satellite (C) Telomeres are rich in Guanine base. (D) Every chromosome essentially has a secondary constriction Find out correct sequence of true ( T ) and false (F) statements
  1. A T F T T
  2. B F T F T
  3. C TFTF
  4. D T T F F
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Correct answer: C

9
Centromere holds two chromatids of a chromosome based on its position the submetacentric chromosome has :-
  1. A Middle centromere forming two equal arms of chromosome.
  2. B Centromere greatly away from middle of chromosome.
  3. C One shorter arm and one longer arm.
  4. D One extremely short and one very long arm.
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Correct answer: C

10
Given below are two statements; one is labelled as Assertion (A) and the other is labelled as Reason(R) .
Assertion (A) : Fluid mosaic model is most widely accepted model of plasma membrane.
Reason (R) : It states that protein icebergs are present in mosaic pattern in the sea of glycolipid.
In the light of the above statements, choose the most appropriate answer from the options given below :-
  1. A If (A) & (R) both are correct but (R) is not the correct explanation of (A).
  2. B (A) is correct but (R) is not correct
  3. C (A) is not correct but (R) is correct.
  4. D If (A) & (R) both are correct and (R) is the correct explanation of (A).
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Correct answer: B

11
Contractile vacuole :-
  1. A is a membrane less structure
  2. B is formed by engulfing the food
  3. C is important for osmoregulation
  4. D is called suicidal bag of cell
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Correct answer: C

12
Given below are two statements :-
Statement-I : Membrane of lysosome is known as tonoplast.
Statement-II : Contractile vacuole helps in osmoregulation.
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 both are incorrect.
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Correct answer: C

13
Microbodies are present in :-
  1. A Both in Plant and Animal cells
  2. B Only in Plant cells
  3. C Only in Animal cells
  4. D Only in bacteria
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Correct answer: A

14
Mitochondria and chloroplast divides by :-
  1. A Meiosis-I
  2. B Mitosis
  3. C Fission
  4. D Meiosis
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Correct answer: C

15
Normally one cell contains $\_\_\_\_$ nucleus.
  1. A One
  2. B Two
  3. C Three
  4. D Ten
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Correct answer: A

16
A Golgi complex has :-
  1. A Fixed number of cisternae
  2. B Varied number of cisternae
  3. C One cisternae in higher plants
  4. D Convex trans face and concave cis fac cisternae
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Correct answer: B

17
Large and more numerous nucleoli are present in cells actively carrying out -
  1. A Lipid synthesis
  2. B Glycogen synthesis
  3. C Protein synthesis
  4. D Nucleic acid synthesis
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Correct answer: C

18
DNA is not found in :-
  1. A Nucleus
  2. B Mitochondria
  3. C Chloroplast
  4. D Ribosome
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Correct answer: D

19
Which one of the following statements is not correct for the vacuoles?
  1. A Contractile vacuoles are helpful in excretion
  2. B Food vacuoles are formed by engulfing the food particles
  3. C Sap vacuole is bound by tonoplast
  4. D Tonoplast facilitates the transport of ions against the concentration gradient into cytoplasm
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Correct answer: D

20
Which of the following is/are function(s) of Golgi complex ?
(I) Modification of lipids and proteins
(II) Detoxification
(III) Formation of acrosome
(IV) Glycogen synthesis & breakdown Choose the correct option -
  1. A I and II are incorrect
  2. B I and III are correct
  3. C II is incorrect and remaining are correct
  4. D II and III are incorrect
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Correct answer: B

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