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?
Phospholipids | |
Cholesterol | |
Glycolipids | |
Proline |
Question 2 |
Purines possess nitrogen at
1, 2, 4 and 6 position | |
1, 3, 5 and 7 position | |
1, 3, 7 and 9 position | |
1, 2, 6 and 8 position |
Question 3 |
The two polynucleotide chains in DNA are:
Semiconservative | |
Parallel | |
Discontinuous | |
Antiparallel |
Question 4 |
Phagocytosis and pinocytosis are collectively termed as
Endocytosis | |
Suspension feeding | |
Omnivores | |
Mucous trap |
Question 5 |
Vital stains are employed to study
Living cells | |
Frozen tissues | |
Fresh tissues | |
Preserved tissues |
Question 6 |
Which one of the following also acts as a catalyst in a bacterial cell?
23 sr RNA | |
5 sr RNA | |
sn RNA | |
hn RNA |
Question 7 |
Fluid mosaic model was given by
Robertson | |
Schwann | |
Dave Donson | |
Singer and Nicholson |
Question 8 |
Middle lamella is composed mainly of
Protein | |
Hemicellulose | |
Carbohydrate | |
Calcium pectate |
Question 9 |
Plasma membrane is made up of
Protein, lipid, carbohydrate | |
Lipid, carbohydrate | |
Protein, lipid | |
Protein |
Question 10 |
Which one of the following organisms is not an example of eukaryotic cells
Amoeba proteus | |
Paramecium caudatum | |
Escherichia coli | |
Euglena viridis |
Question 11 |
Plasmodesmata are
Connections between adjacent cells | |
Lignified cemented layers between cells | |
Locomotary structures | |
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?
Adenine, Thymine – Purines | |
Thymine, Uracil – Pyrimidines | |
Uracil, Cytosine – Pyrimidines | |
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)?
Neither lipids, nor proteins can flip-flop | |
Both lipids and proteins can flip-flop | |
While lipids can rarely flip-flop, proteins can not | |
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?
Through elimination of repetitive DNA | |
Deletion of non-essential genes | |
Super-coiling in nucleosomes | |
DNAse digestion |
Question 15 |
Comparing small and large cells, which statement is correct?
Small cells have a small surface area per volume ratio | |
Exchange rate of nutrients is fast with large cells | |
Small cells have a large surface area per volume ratio | |
Exchange rate of nutrients is slow with small cells |
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hi,i am harusha.these type of mcq’s will boost our confidents.quiz is really challenging.
Geli is the best plat 4 d students preparing 4 pmt
i dont think ans of ques 13 is correct.. pls sm1 explain it 2 me..
IF YOU TALK ABOUT FLUID MOSAIC MODEL IT WAS FAMOUS FOR -“protein icebergs in a sea of lipids'”. IT CAN SHOW FLIP-FLOP MOVEMENT ie MOLECULES OF TWO LAYER CAN BE INTERCHANGEED AND LAYER IS OF LIPIDS SO ANS OF 13 IS CORRECT (according to me)
gud questions.
sir can u kindly tell that in que.6 what does 23 stand for?sr stands for sinle stranded bt what does 23 mean?