NCERT CLASS 11 | TOPIC : CELL AND CELL THEORY | EQB | NEET BIOLOGY ONLINE TEST

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NCERT CLASS 11 | TOPIC : CELL AND CELL THEORY | EQB | NEET BIOLOGY ONLINE TEST

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It contains 14 important questions. Choose the most correct answer. Then check your answer. Try again if there are errors. Regards : www.onlinetest.kalvisolai.com

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1 ➤ 1. A common characteristic feature of plant sieve tube cells and most of the mammalian erythrocytes is

(a) Absence of mitochondria (b) Presence of cell wall (c) Presence of haemoglobin (d) Absence of nucleus

2 ➤ 2. Select one which is not true for ribosome

(a) Made of two sub–units (b) Form polysome (c) May attach to mRNA (d) Have no role in protein synthesis.

3 ➤ 3. Which one of these is not a eukaryote?

(a) Euglena (b) Anabena (c) Spirogyra (d) Agaricus.

4 ➤ 4. Which of the following dyes is not used for staining chromosomes?

(a) Basic Fuchsin (b) Safranin (c) Methylene blue (d) Carmine

5 ➤ 5. Different cells have different sizes. Arrange the following cells in an ascending order of their size. Choose the correct option among the followings:

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(i) Mycoplasma (ii) Ostrich eggs (iii) Human RBCs (iv) Bacteria

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(a) (i), (iv), (iii) and (ii) (b) (i), (ii), (iii) and (iv) (c) (ii), (i), (iii) and (iv) (d) (iii), (ii), (i) and (iv)

6 ➤ 6. Which of the following features is common to prokaryotes and many eukaryotes?

(a) Chromosomes are present (b) Cell wall is present (c) Nuclear membrane is present (d) Membrane bound sub–cellular organelles are present.

7 ➤ 7. Who proposed the fluid mosaic model of plasma membrane?

(a) Camillo Golgi (b) Schleiden and Schwann (c) Singer and Nicolson (d) Robert Brown

8 ➤ 8. Which of the following statements is true for secretory cells?

(a) Golgi apparatus is absent. (b) Rough Endoplasmic Reticulum (RER) is easily observed in the cell. (c) Only Smooth Endoplasmic Reticulum (SER) is present. (d) Secretory granules are formed in nucleus.

9 ➤ 9. What is a tonoplast?

(a) Outer membrane of mitochondria. (b) Inner membrane of chloroplast. (c) Membrane boundary of the vacuole of plant cells. (d) Cell membrane of plant cell.

10 ➤ 10. Which of the following is not true of a eukaryotic cell?

(a) Cell wall is made up of peptidoglycans. (b) It has 80 S type of ribosome present cytoplasm. (c) Mitochondria contain circular DNA. (d) Membrane bound organelles are present.

11 ➤ 11. Which of the following statements is not true for plasma membrane?

(a) It is present in both plant and animal cells. (b) Lipid is present as a bilayer in it. (c) Proteins are present in integrated as well as loosely associated with the lipid bilayer. (d) Carbohydrate is never found in it.

12 ➤ 12. Plastid differs from mitochondria on the basis of one of the following features. Mark the right answer.

(a) The presence of two layers of membrane (b) The presence of ribosome (c) The presence of thylakoids (d) The presence of DNA

13 ➤ 13. Which of the following is not a function of cytoskeleton in a cell?

(a) Intracellular transport (b) Maintenance of cell shape and structure (c) Support of the organelles (d) Cell motility

14 ➤ 14. The stain used to visualize mitochondria is

(a) Fast green (b) Safranin (c) Acetocarmine (d) Janus green

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