Cells: The basic unit of life – NEET MCQs Test – 4 11

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NEET Biology MCQs | NEET Cell The Unit of Life questions (MCQs) | Cell The Unit of Life Class 11 NEET questions | Online MCQs Test No 04

Cells: The basic unit of life - MCQ Quiz - 4

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Question 1
Which one of the following is not a constituent of cell membrane?
A
Phospholipids
B
Cholesterol
C
Glycolipids
D
Proline
Question 2
Purines possess nitrogen at
A
1, 2, 4 and 6 position
B
1, 3, 5 and 7 position
C
1, 3, 7 and 9 position
D
1, 2, 6 and 8 position
Question 3
The two polynucleotide chains in DNA are:
A
Semiconservative
B
Parallel
C
Discontinuous
D
Antiparallel
Question 4
Phagocytosis and pinocytosis are collectively termed as
A
Endocytosis
B
Suspension feeding
C
Omnivores
D
Mucous trap
Question 5
Vital stains are employed to study
A
Living cells
B
Frozen tissues
C
Fresh tissues
D
Preserved tissues
Question 6
Which one of the following also acts as a catalyst in a bacterial cell?
A
23 sr RNA
B
5 sr RNA
C
sn RNA
D
hn RNA
Question 7
Fluid mosaic model was given by
A
Robertson
B
Schwann
C
Dave Donson
D
Singer and Nicholson
Question 8
Middle lamella is composed mainly of
A
Protein
B
Hemicellulose
C
Carbohydrate
D
Calcium pectate
Question 9
Plasma membrane is made up of
A
Protein, lipid, carbohydrate
B
Lipid, carbohydrate
C
Protein, lipid
D
Protein
Question 10
Which one of the following organisms is not an example of eukaryotic cells
A
Amoeba proteus
B
Paramecium caudatum
C
Escherichia coli
D
Euglena viridis
Question 11
Plasmodesmata are
A
Connections between adjacent cells
B
Lignified cemented layers between cells
C
Locomotary structures
D
Membranes connecting the nucleus with plasmalemma
Question 12
Which one of the following pairs of nitrogenous bases of nucleic acids, is wrongly matched with the category mentioned against it?
A
Adenine, Thymine – Purines
B
Thymine, Uracil – Pyrimidines
C
Uracil, Cytosine – Pyrimidines
D
Guanine, Adenine – Purines
Question 13
Keeping in view the ‘fluid mosaic model’ for the structure of cell membrane, which one of the following statements is correct with respect to the movement of lipids and proteins from one lipid monolayer to the other (described as flip-flop movement)?
A
Neither lipids, nor proteins can flip-flop
B
Both lipids and proteins can flip-flop
C
While lipids can rarely flip-flop, proteins can not
D
While proteins can flip-flop, lipids can not
Question 14
The length of DNA molecule greatly exceeds the dimensions of the nucleus in eukaryotic cells. How is this DNA accommodated?
A
Through elimination of repetitive DNA
B
Deletion of non-essential genes
C
Super-coiling in nucleosomes
D
DNAse digestion
Question 15
Comparing small and large cells, which statement is correct?
A
Small cells have a small surface area per volume ratio
B
Exchange rate of nutrients is fast with large cells
C
Small cells have a large surface area per volume ratio
D
Exchange rate of nutrients is slow with small cells
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11 thoughts on “Cells: The basic unit of life – NEET MCQs Test – 4”

  • Reply ↓
    Vidit panchal

    informative mcqs….
    nice collection of questions. 🙂

  • Reply ↓
    asad

    question 13 answer must be D b/c protiens float on the lipid bylayer

    • Reply ↓
      delightdev

      i feel it is right option C
      because in our class same question was there and our professor told us that
      ” proteins moreover are associated with the outer and inner carbohydrates and other macromolecules whereas lipids are very small macromolecules(size 800 Da) in comparison to proteins, and not preferentially associated with other macromolecules and micromolecules due to their hydrophobic ends projecting out”