Cell The Unit Of Life — DPP 11

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
Ribosomes of prokaryote is mostly 70 S and ribosomes which is present in cytoplasm of eukaryote is 80 S . So here S represent :-
  1. A Svedberg's unit, which indirectly measure shape and size.
  2. B Svedberg's unit, which indirectly measure density and size.
  3. C Svedberg's unit, which indirectly measure shape and density.
  4. D Svedberg's unit, which indirectly measure molecules number of ribosomes.
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Correct answer: B

2
Cytoskeleton is made up of: -
  1. A Proteinaceous filaments
  2. B Calcium carbonate granules
  3. C Callose deposits
  4. D Cellulosic microfibrils
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Correct answer: A

3
In which of the following options function is correctly matched with their particular cellular structure?
Cell The Unit Of Life – NEET-3364
  1. A $ & \begin{tabular} { l } Protein \\ synthesis \end{tabular} & SFR \\ \hline $
  2. B $ & \begin{tabular} { l } Formation of \\ glycoprotein \end{tabular} & Golgi body \\ \hline $
  3. C $ & Antolysis & RER \\ \hline $
  4. D $ & Photosynthesis & Vacuole \\ \hline \end{tabular}
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Correct answer: B

4
Secondary cell wall is formed on :-
  1. A The inner side of primary cell wall
  2. B The outer side of primary cell wall
  3. C Middle side of cell
  4. D Intercellular space
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Correct answer: A

5
Incorrect match between column -I, II and III:
Cell The Unit Of Life – NEET-2871
  1. A & RBCs & & Round/ biconcave \\ \hline
  2. B & WBCs & & Amoeboid \\ \hline
  3. C & Mesophyll & & Round and oval \\ \hline
  4. D & A Tracheid & & Branched \& Elongated \\ \hline \end{tabular} BCL396
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Correct answer: D

6
How many statements are correct for mitochondria :-
(a) Matrix of mitochondria is heterogenous.
(b) Matrix of mitochondria is homogenous.
(c) Matrix of mitochondria has high $\mathrm { H } ^ { + }$ concentration.
(d) The space between outer and inner membrane of mitochondria is called intra-membrane space.
(e) It is power house of all living cells.
  1. A Two
  2. B One
  3. C Three
  4. D Four
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Correct answer: B

7
The number of mitochondria per cell is variable, depending on :-
  1. A Size of cells
  2. B Shape of cells
  3. C Physiological activity of cells
  4. D Type of genes present in mitochondrial DNA
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Correct answer: C

8
Which option provide correct information regarding the nucleus.
  1. A Normally, there is only one nucleus per cell, variation in the number of nuclei are also observed.
  2. B Normally, there is multiple nucleus per cell.
  3. C Chlamydomonas contains only one nucleus.
  4. D A and C option is correct.
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Correct answer: D

9
Select the incorrect statement:
  1. A Glycocalyx differs in composition and thickness among different bacteria.
  2. B All organisms are made of cells or aggregates of cells.
  3. C ER helps in synthesis of proteins, lipoproteins, and glycogen.
  4. D Cells of all living organisms have nucleus.
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Correct answer: D

10
Assertion (A) : Cell wall is a living rigid structure which form outer covering for the plasma membrane of fungi and plants.
Reason (R) : Secondary cell wall is formed on the outer (towards middle lamella) side of the cell.
  1. A Both Assertion and Reason are True and the Reason is a correct explanation of the Assertion.
  2. B Both Assertion and Reason are True but Reason is not a correct explanation of the Assertion.
  3. C Assertion is True but the Reason is False.
  4. D Both Assertion and Reason are False.
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Correct answer: D

11
D contains :-
(i) few RNA molecules
(ii) 70s ribosome
(iii) Enzymes
(iv) Circular DNA
Cell The Unit Of Life – NEET-2624
  1. A ii, iv
  2. B i, ii, iv
  3. C ii, iii, iv
  4. D i, ii, iii, iv
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Correct answer: D

12
Chromosome with centromere at one end, is:
  1. A Metacentric
  2. B Submetacentric
  3. C Telocentric
  4. D Acrocentric
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Correct answer: C

13
Select the correct for label " B " in this diagram:
Cell The Unit Of Life – NEET-2877
  1. A Endoplasmic reticulum
  2. B Peroxisome
  3. C Golgi apparatus
  4. D Glyoxysome
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Correct answer: C

14
Given below are two statements:
Statement-I : Mitochondria and chloroplasts are called semi autonomous cell organelles.
Statement-II : Golgi complex is called suicidal bag of cell.
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: B

15
Which of the following is incorrect matching?
  1. A Round and biconcave - RBC
  2. B Amoeboid - WBC
  3. C Elongated - Tracheid
  4. D Long and narrow - Nerve cells
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Correct answer: D

16
Read the following statements carefully and select the option which includes incorrect statements -
(a) RER is frequently observed in the cells actively involved in lipid synthesis & secretion.
(b) The SER is the major site for protein synthesis
(c) The golgi cisternae are concentrically arranged near the nucleus.
(d) Lysosomes are rich in alkaline hydrolases.
  1. A Statement (a), (b) and (c)
  2. B Statement (a), (b) and (d)
  3. C Statement (b), (c) and (d)
  4. D Statement (a), (c) and (d)
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Correct answer: B

17
The smooth E.R. is mainly made up of :-
  1. A Cisternae
  2. B Tubules
  3. C Vesicle
  4. D All the above
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Correct answer: B

18
Function of nuclear pores is $\_\_\_\_$
  1. A Through these pores movement of RNA and protein molecules in both directions between the nucleus and the cytoplasm is performed.
  2. B Transport of RNA in both direction between the Nucleus and the cytoplasm is performed.
  3. C Only for transport of RNA in unidirectional manner from nucleus to cytoplasm.
  4. D A and C option is correct.
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Correct answer: A

19
Cilium and flagellum are :-
  1. A Without covering
  2. B Covered with two membranes
  3. C Out growths of cell wall
  4. D Covered with plasma membrane
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Correct answer: D

20
Reserve materials in prokaryotic cells are stored in the cytoplasm, related with $\_\_\_\_$ .
  1. A Inclusion bodies
  2. B Golgi body
  3. C ER
  4. D Polysome
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Correct answer: A

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