Cell the unit of life DNA dt.
29/12/21
I. The endomembrane system includes plasma
membrane ,ER, Golgi complex , Lysosomes and
1. The cytoplasmic connections from cell to cell
vacuoles . II. ER helps in the transport of
are known as : a. Middle lamella b.
substances, synthesis of proteins, lipoproteins
Plasmodesmata c. cell membrane system d.
and glycogen. III Ribosomes are involved in
Endoplasmic reticulum
protein synthesis . IV. M.C help in oxidative
2. Bacterial flagella is made up of : a. Tubulin b. phosphorylation and generation of ATP.
flagellin c. chitin d. none of these
a. II,III & IV b. I only c. II only d. III only
3. The term cell was given by : a. leeuwenhoek b.
11. The main function of cristae is : a) To
Robert hooke c. Flemming d. Robert brown
increase the surface area b) To increase the cell
4. Cell wall is a unique structure of plant cells density c) To attach the newly formed vesicles d)
who concluded this ? a. Schleiden b. Schwann c. All of the above
Virchow d. Robert hooke
12. The number of chloroplasts per cells in
5.who have the term protoplasm : a. Robert Chlamydomonas is : a) 1 b) 20-40 c) More than
brown b. schleiden c. Schwann d. J.E Purkinje 50 d) 60-70
6.Who are the exception from the cell theory : a. 13. What does the ‘S’ denote in ribosomal units:
virus b. prions c. viriods d. all of the above 70S and 80S? a) Sedimentation coefficient b)
Subunit coefficient c) Smaller coefficient d) None
7.The type of ribosomes found inside the of the above
mitochondria : a. 90s b. 70s c. 80s d. 60s
14 . The new mitochondria will be formed from
8. The plastids which store proteins are called- a. pre-existing mitochondria through: a) Fission b)
Aleuroplasts b. Elaioplast c. Amylopact d. Conjugation c) Mitosis d) Both a and b
Chromoplast .
15. Cytoskeleton is a network of structures
9. Match the column and choose the correct form including a) Microfilaments b) Microtubules c)
Intermediate filaments d) All of the above
Column -1 Column-2
A. Tonoplast I. content 16. Match the column and choose the correct
digestive form
enzyme
B. Contractile II. store metabolic Column -1 Column-2
vacuole gases A. metacentric I. At the tip
C. Food vacuole III. excretion
D. Air vacuole IV. transport of B. submetacentric II. Almost
ions in near the
plantrs tip
a. A-Iv ,B-III, C-I, d-II b. A-II B-III C-IV D-II c. C. acrocentric III. At the
A-IV B-II C-III D-I d. A-I B-III C-II D-IV middle
D. telocentric IV. slightly
10. Which of the following statements is/are away from
correct? the middle
a. A-III ,B-IV, C-II, d-I b. A-IV B-III C-II D-I
c. A-I B-II C-III D-Iv d. A-IV B-III C-I D-II
Cell the unit of life DNA dt. 29/12/21
17. Read the following statement and identify the cell
correct options. C. Flagella III. Protein
sysnthesis
I. Contractile vacuole takes part in and secretion
Osmoregulation and excretion II. Food vacuole D. Lysosomes iv. Responsible for
is formed by engulfing the food particles III. The cell movement
vacuole ius bound by a double membrane called a. A-III ,B-II, C-IV, d-I b. A-II B-III C-IV D-I
tonoplast . IV. Vacuole can occupy up to 90 % of c. A-I B-III C-II D-Iv d. A-IV B-II C-III D-I
the volume of the cell . 25. .The non -staining secondary constrictions at
a. I & II b. II & IV c. I, II, IV d. none of the above chromosome is called a) Microbodies b) Satellite
c) Kinetochores d) Histone
18. The axoneme has ________ doublets of radially
arranged peripheral tubules and ________ 26. The non -staining secondary constrictions at
centrally located microtubules. a) nine; two b) chromosome is called a) Microbodies b) Satellite
six; two c) two; nine d) two; six c) Kinetochores d) Histone
19. The function of centrosome is _____ a) 27. Identify the correctly matched component of
Inhibition of cell division b) Initiates cell division lipid bilayer in the plasma membrane. (a) Head-
c) To increase protein synthesis d) None of these Outer side of membrane (b) Tail-Outer side of
membrane (C) Head- Hydrophobic (d) Tail-
20. A plant cell usually differs from an animal cell Hydrophilic
in the absence of ___________ a) Ribosomes b)
Centriole c) Mitochondria d) E.R. 28. Match the following.
21. Function of centriole is ____ a) Formation of Column I Column II
spindle b) Formation of nucleus c) Initiation of
a. Peripheral protein i. Polar
cell division d) Formation of cell plate
b. Integral protein ii. Buried in the
22. The name of Chromatin was given by a)
Flemming b) Robert Hooke c) Rudolf Virchow d) membrane
None of the above
c. Head component of iii. Non polar
23. Which of the following are synthesised in the lipid bilayer
nucleolus? a) tRNA b) rRNA c) DNA d) All of the
above d. Tail component of iv. Present on the
lipid bilayer membrane surface
24. Match the column and choose the correct
form a. A-I ,B-II, C-III, d-IV b. A-IV B-II C-I D-III
c. A-III B-I C-II D-Iv d. A-IV B-I C-II D-III
Column -1 Column-2
A. RER I. Intracellular 29. Cell wall function includes (a) Giving shape
and to the cell (b) Cell-to-cell interactions (C)
extracellular Protection from infection (d) All of the above
digestion
B. Cell Wall II. Provide 30. Middle lamella is composed of _____________.
structural (a) Calcium pectate (b) Calcium phosphate (C)
support to the Calcium carbonate (d) None of the above.
