Cell The Unit Of Life — DPP 1

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
Which cell organelle synthesises steroids ?
  1. A E. R.
  2. B Golgi body
  3. C Peroxisomes
  4. D Lysosomes
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Correct answer: A

2
Which of the following is not correct?
  1. A Robert Brown discovered the cell.
  2. B Schleiden and Schwann formulated the cell theory.
  3. C Virchow explained that cells are formed from pre-existing cells.
  4. D A unicellular organism carries out its life activities within a single cell.
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Correct answer: A

3
Plasma membrane is fluid structure due to presence of :-
  1. A Carbohydrates
  2. B Lipid
  3. C Glycoprotein
  4. D Polysaccharide
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Correct answer: B

4
The main arena of various types of activities of a cell is:
  1. A Nucleus
  2. B Plasma membrane
  3. C Mitochondria
  4. D Cytoplasm
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Correct answer: D

5
Golgi body originates from :-
  1. A E. R.
  2. B Mitochondria
  3. C Nucleus
  4. D Proplastid
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Correct answer: A

6
Plasmodesmata are: -
  1. A Connections between adjacent cells
  2. B Lignified cemented layers between cells
  3. C Locomotary structures
  4. D Membranes connecting the nucleus with plasmalemma
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Correct answer: A

7
The Golgi complex plays a major role:
  1. A In post translational modification of proteins and glycosidation of lipids
  2. B In trapping the light and transforming it into chemical energy
  3. C In digesting proteins and carbohydrates
  4. D As energy transferring organelles
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Correct answer: A

8
Carbohydrates which are present in the cell membrane take part in :-
  1. A Transport of substance
  2. B Cell recognition
  3. C Attachment to microfilament
  4. D Attachment to microtubules
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Correct answer: B

9
A major site for synthesis of lipids is:
  1. A Nucleoplasm
  2. B RER
  3. C SER
  4. D Symplast
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Correct answer: C

10
Cell membrane is composed of :-
  1. A Proteins and cellulose
  2. B Proteins and phospholipids
  3. C Proteins and carbohydrates
  4. D Proteins, phospholipids and some carbohydrates
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Correct answer: D

11
Which one of the following structures between two adjacent cells is an effective transport pathway?
  1. A Plasmalemma
  2. B Plasmodesmata
  3. C Plastoquinone
  4. D Endoplasmic reticulum
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Correct answer: B

12
At which pH lysosomal enzymes become active ?
  1. A $\mathrm { pH } - 5$
  2. B $\mathrm { pH } - 7$
  3. C $\mathrm { pH } - 8$
  4. D $\mathrm { pH } - 10$
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Correct answer: A

13
In fluid mosaic model of plasma membrane:
  1. A Upper layer is non-polar and hydrophilic
  2. B Polar layer is hydrophobic
  3. C Phospholipids form a bimolecular layer in middle part
  4. D Proteins form a middle layer
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Correct answer: C

14
The main lipid components of the plant cell membrane are :-
  1. A Phosphodiester
  2. B Glycocalyx
  3. C Peptidoglycan
  4. D Phosphoglyceride
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Correct answer: D

15
Which of the following provides mechanical support and shape to the cell ?
  1. A Golgi complex
  2. B Centrioles
  3. C Lysosomes
  4. D E.R.
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Correct answer: D

16
Which of the following is the site of lipid synthesis?
  1. A Rough ER
  2. B Smooth ER
  3. C Golgi bodies
  4. D Ribosome
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Correct answer: B

17
The chemical substance abundantly present in middle lamella is :-
  1. A Cutin
  2. B Chitin
  3. C Lignin
  4. D Pectin
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Correct answer: D

18
Hydrolytic enzymes are abundantly found in which cell organelles ?
  1. A Ribosome
  2. B Lysosome
  3. C Golgi body
  4. D Endoplasmic reticulum
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Correct answer: B

19
Ribophorins occur on the surface of :-
  1. A Rough E.R.
  2. B Smooth E.R.
  3. C Golgi body
  4. D Lysosome
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Correct answer: A

20
Plasma membrane is :-
  1. A Selectively permeable
  2. B Permeable
  3. C Impermeable
  4. D Semipermeable
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Correct answer: A

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