Cell: The Unit of Life MCQs| NCERT Biology
Enhance your NCERT Biology exam preparation with our in-depth collection of MCQs on 'Cell: The Unit of Life'. Ideal for NEET aspirants and Class 11 students, these multiple-choice questions cover fundamental concepts and improve your understanding.
1. Question
Match the following columns and select the correct option:
| Column I | Column II |
|---|---|
| a. RER | (i) Glycosylation |
| b. SER | (ii) Protein synthesis |
| c. Golgi complex | (iii) Spindle formation |
| d. Centriole | (iv) Lipid synthesis |
a(ii), b(iv), c(iii), d(i)
a(ii), b(iv), c(i), d(iii)
a(iii), b(i), c(iv), d(ii)
a(i), b(ii), c(iv), d(iii)
Correct Answer
Wrong Answer
2. Question
Select the cell junction that facilitates communication between adjacent cells for rapid transfer of ions and molecules.
Tight junction
Gap junction
Adhering junction
Macula adherens
Correct Answer
Wrong Answer
3. Question
Which of the following statements are not correct ?
- Microbodies are present in both plant and animal cells.
- All chromosomes have a staining secondary constriction at constant location.
- Each centriole has an organisation like cartwheel in longitudinal section
- Matrix of mitochondria contains enzymes required for the synthesis of carbohydrate only.
A only
B and C
B, C and D
A, B, C & D
Correct Answer
Wrong Answer
4. Question
In animal cells, how many of the following can have ribosomes?
cytoplasm, centrosome, endoplasmic reticulum, chloroplast, Golgi body, mitochondria.
Five
Four
Three
Two
Correct Answer
Wrong Answer
5. Question
Which of the following is not an inclusion body?
Glucogen granules
Phosphate granules
Cyanophycean granules
Polysome
Correct Answer
Wrong Answer
6. Question
Organcelles bounded by membrane with activity of catalase enzyme:
SER
Chloroplast
Lysosome
Peroxisome
Correct Answer
Wrong Answer
7. Question
Which one of the following cell organelle is not the part of endomembrane system ?
Vacuole
Lysosome
Golgibody
Peroxisome
Correct Answer
Wrong Answer
8. Question
Part of chromosome after the NOR is called :
Telomere
Centromere
Kinetochore
Satellite
Correct Answer
Wrong Answer
9. Question
Given below are two statements:
Statement I: The reserve material in prokaryotic cell are stored in the cytoplasm in the form of inclusion bodies.
Statement II : Besides flagella, pili and fimbriae are also surface structures of the bacteria but do not play a role in motility.
Choose the correct answer from the option given below:
Both Statement I and Statement II are incorrect
Statement I is correct but Statement II is incorrect
Statement I is incorrect but Statement II is correct
Both Statement I and Statement II are correct
Correct Answer
Wrong Answer
10. Question
Given below are two statements:
Statement I: In a cell the nuclear pore are the passage through which movement of RNA and protein molecules takes place in both directions between the nucleus and the cytoplasm.
Statement II : Normally there is only one nucleus per cell, variation in the number of nuclei are also frequently observed.
Choose the correct answer from the option given below.
Both Statement I and Statement II are incorrect
Statement I is correct but Statement II is incorrect
Statement I is incorrect but Statement II is correct
Both Statement I and Statement II are correct
Correct Answer
Wrong Answer
11. Question
How many matching are correct
| a. PPLO | Mitochondria, ER present |
| b. Mycoplasma | Chromosome present |
| c. Blue green algae | Centromere present |
| d. Mycoplasma | 70S ribosome present |
Four
Three
Two
One
Correct Answer
Wrong Answer
12. Question
Given below are two statements:
Statement I: The chloroplast number varies from 1 percell of the Chlamydomonas, a green alga to 20–40 per cell in the mesophyll.
Statement II: Like mitochondria the chloroplasts are also double membrane bound. of the two, the inner chloroplast membrane is relatively less permeable.
Choose the correct answer from the option given below:
Both Statement I and Statement II are incorrect
Statement I is correct but Statement II is incorrect
Statement I is incorrect but Statement II is correct
Both Statement I and Statement II are correct
Correct Answer
Wrong Answer
13. Question
Given below are two statements
Statement I: The cell wall of a young plant cell, the primary wall is capable of growth which gradually diminishes as the cells matures and the secondary wall is formed on the inner side of the cell.
Statement II: An improved model of the structure of cell membrane was proposed by Singer and Nicolson (1972) widely accepted as fluid mosaic model.
Choose the correct answer from the option given below:
Both Statement I and Statement II are incorrect
Statement I is correct but Statement II is incorrect
Statement I is incorrect but Statement II is correct
Both Statement I and Statement II are correct
