NEET Cell: The Unit of Life PYQ practice sheet

20 previous-year NEET Botany questions from Cell: The Unit of Life, newest papers first. Cell: The Unit of Life carries 27 of the Botany questions in NEET 2020 to 2026, so this is a good place to test yourself after revising the chapter. Marking: +4 correct, −1 wrong.

1. 1.

   RE-NEET 2026

   Cell theory was formulated by ______________.

   • (A)
     Robert Brown
   • (B)
     Antonie Von Leeuwenhoek
   • (C)
     Singer and Nicolson
   • (D)
     Schleiden and Schwann
2. 2.

   RE-NEET 2026

   Which of the following are characteristics of prokaryotic cells? (a) Ribosomes are made of 50S and 30S subunits (b) They can have plasmids (c) They contain mesosome (d) They have peroxisomes Choose the correct answer from the options given below :

   • (A)
     (a), (b) and (c) only
   • (B)
     (a) and (c) only
   • (C)
     (b) and (c) only
   • (D)
     (a), (c) and (d) only
3. 3.

   RE-NEET 2026

   Mitochondrial inner membrane encloses ___________ .

   • (A)
     cytosol
   • (B)
     aqueous humor
   • (C)
     mucus
   • (D)
     matrix
4. 4.

   RE-NEET 2026

   Match List-I with List-II. List-I: A. Cristae B. Cisternae C. Thylakoids D. Phospholipid List-II: I. Flat membrane sacs in stroma of chloroplast II. Infoldings in mitochondria III. Cell membrane IV. Disc shaped sacs in the Golgi apparatus Choose the correct answer from the options given below:

   • (A)
     A-II, B-IV, C-I, D-III
   • (B)
     A-II, B-IV, C-III, D-I
   • (C)
     A-IV, B-III, C-I, D-II
   • (D)
     A-III, B-IV, C-I, D-II
5. 5.

   RE-NEET 2026

   The plastid that stores xanthophyll is known as __________.

   • (A)
     aleuroplast
   • (B)
     chromoplast
   • (C)
     chloroplast
   • (D)
     amyloplast
6. 6.

   RE-NEET 2026

   Smooth endoplasmic reticulum ___________ .

   • (A)
     is a site for the synthesis of carbohydrates
   • (B)
     is the major site for the synthesis of lipids
   • (C)
     has ribosomes attached to its surface
   • (D)
     is actively involved in protein synthesis
7. 7.

   NEET 2026

   Which one of the following is the site for active ribosomal RNA synthesis?

   • (A)
     Nucleolus
   • (B)
     Chromatin
   • (C)
     Kinetochore
   • (D)
     Centrosome
8. 8.

   NEET 2026

   Non-membrane bound cell organelles found in both prokaryotic and eukaryotic cells are ______.

   • (A)
     Lysosomes
   • (B)
     Mitochondria
   • (C)
     Ribosomes
   • (D)
     Centrosomes
9. 9.

   NEET 2026

   Choose the correct statements regarding cell organelles and their inclusions. A. The endomembrane system includes Golgi complex, endoplasmic reticulum and mitochondria. B. Rough endoplasmic reticulum bears ribosomes on its surface. C. Both mitochondria and plastids have circular DNA. D. A network of microtubules, microfilaments and intermediate filaments present in the cytoplasm is called cytoskeleton. E. Mitochondrion is a single membrane-bound structure. Choose the correct answer from the options given below:

   • (A)
     A and B only
   • (B)
     B, C and D only
   • (C)
     C, D and E only
   • (D)
     A, B and C only
10. 10.

    NEET 2026

    Select the correct statements regarding cell membrane in eukaryotic cell. A. Membrane of human RBCs has approximately 52% protein. B. Major phospholipids are arranged in a bilayer. C. Extensions of the plasma membrane into the cell form mesosomes. D. Tails towards the inner part of lipids are hydrophobic and thus protected from aqueous medium. E. Glycocalyx is present on the outer surface of the plasma membrane. Choose the correct answer from the options given below:

    • (A)
      B, C and E only
    • (B)
      A, C and E only
    • (C)
      C, D and E only
    • (D)
      A, B and D only
11. 11.

    NEET 2024

    Match List-I with List-II. List-I: (A) Nucleolus, (B) Centriole, (C) Leucoplasts, (D) Golgi apparatus List-II: (I) Site of formation of glycolipid, (II) Organisation like the cartwheel, (III) Site for active ribosomal RNA synthesis, (IV) For storing nutrients Choose the correct answer from the options given below:

    • (A)
      A-I, B-II, C-III, D-IV
    • (B)
      A-II, B-III, C-I, D-IV
    • (C)
      A-III, B-IV, C-II, D-I
    • (D)
      A-III, B-II, C-IV, D-I
12. 12.

    NEET 2024

    Match List I with List II: List-I: A. Axoneme, B. Cartwheel pattern, C. Crista, D. Satellite List-II: I. Centriole, II. Cilia and flagella, III. Chromosome, IV. Mitochondria Choose the correct answer from the options given below:

    • (A)
      A-IV, B-III, C-II, D-I
    • (B)
      A-II, B-IV, C-I, D-III
    • (C)
      A-II, B-I, C-IV, D-III
    • (D)
      A-IV, B-II, C-III, D-II
13. 13.

    NEET 2024

    Given below are two statements: Statement I: Mitochondria and chloroplasts are both double membrane bound organelles. Statement II: Inner membrane of mitochondria is relatively less permeable, as compared to chloroplast. In the light of the above statements, choose the most appropriate answer from the options given below:

    • (A)
      Both statement I and Statement II are incorrect.
    • (B)
      Statement I is correct but statement II is incorrect.
    • (C)
      Both statement I and Statement II are correct.
    • (D)
      Statement I is incorrect but statement II is correct.
14. 14.

    NEET 2023

    Which of the following functions is carried out by cytoskeleton in a cell?

    • (A)
      Transportation
    • (B)
      Nuclear division
    • (C)
      Protein synthesis
    • (D)
      Motility
15. 15.

    NEET 2023

    Which of the following are NOT considered as the part of endomembrane system? A. Mitochondria B. Endoplasmic Reticulum C. Chloroplasts D. Golgi complex E. Peroxisomes Choose the most appropriate answer from the options given below:

    • (A)
      A, D and E only
    • (B)
      B and D only
    • (C)
      A, C and E only
    • (D)
      A and D only
16. 16.

    NEET 2021

    Which of the following is an incorrect statement ?

    • (A)
      Microbodies are present both in plant and animal cells.
    • (B)
      The perinuclear space forms a barrier between the materials present inside the nucleus and that of the cytoplasm.
    • (C)
      Nuclear pores act as passages for proteins and RNA molecules in both directions between nucleus and cytoplasm.
    • (D)
      Mature sieve tube elements possess a conspicuous nucleus and usual cytoplasmic organelles.
17. 17.

    NEET 2021

    When the centromere is situated in the middle of two equal arms of chromosomes, the chromosome is referred as :

    • (A)
      Metacentric
    • (B)
      Acrocentric
    • (C)
      Telocentric
    • (D)
      Sub-metacentric
18. 18.

    NEET 2021

    Choose the correct answer from the options given below.

    • (A)
      (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
    • (B)
      (a)-(iii), (b)-(iv), (c)-(i), (d)-(ii)
    • (C)
      (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
    • (D)
      (a)-(i), (b)-(iv), (c)-(iii), (d)-(ii)
19. 19.

    NEET 2021

    The organelles that are included in the endomembrane system are :

    • (A)
      Endoplasmic reticulum, Mitochondria, Ribosomes and Lysosomes
    • (B)
      Golgi complex, Mitochondria, Ribosomes and Lysosomes
    • (C)
      Endoplasmic reticulum, Golgi complex, Lysosomes and Vacuoles
    • (D)
      Golgi complex, Endoplasmic reticulum, Mitochondria and Lysosomes
20. 20.

    NEET 2020

    Which of the following statements about inclusion bodies is incorrect?

    • (A)
      They are not bound by any membrane.
    • (B)
      These are involved in ingestion of food particles.
    • (C)
      They lie free in the cytoplasm.
    • (D)
      These represent reserve material in cytoplasm.