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- 1. Multiple Choice
A cell will swell up if
the concentration of water molecules in the cell is higher than the concentration of water molecules in the surrounding medium.
the concentration of water molecules in the surrounding medium is higher than water molecules concentration in the cell.
the concentration of water molecules is same in the cell and in the surrounding medium.
concentration of water molecules does not matter.
- 2. Multiple Choice
Following are a few definitions of osmosis:Read carefully and select the correct definition.
Movement of water molecules from a region of higher concentration to a region of lower concentration through a semi-permeable membrane.
Movement of solvent molecules from its higher concentration to lower concentration.
Movement of solvent molecules from higher concentration to lower concentration of solution through a permeable membrane.
Movement of solute molecules from lower concentration to higher concentration of solution through a semi permeable membrane.
- 3. Multiple Choice
Plasmolysis in a plant cell is defined as
breakdown (lysis) of plasma membrane in hypotonic medium
shrinkage of cytoplasm in hypertonic medium
shrinkage of nucleoplasm
none of them
- 4. Multiple Choice
Which of the following are covered by a single membrane?
Mitochondria
Vacuole
Lysosome
Plastid
- 5. Multiple Choice
The proteins and lipids, essential for building the cell membrane, are manufactured by
rough endoplasmic reticulum
golgi apparatus
plasma membrane
mitochondria
- 6. Multiple Choice
Amoeba acquires its food through a process, termed
exocytosis
endocytosis
plasmolysis
exocytosis and endocytosis both
- 7. Multiple Choice
Cell wall of which one of these is not made up of cellulose?
Bacteria
Date palm
Mango tree
Cactus
- 8. Multiple Choice
Organelle other than nucleus, containing DNA is
endoplasmic reticulum
golgi apparatus
mitochondria
lysosomes
- 9. Multiple Choice
Kitchen of the cell is
mitochondria
endoplasmic reticulum
chioroplast
golgi apparatus
- 10. Multiple Choice
Cell arises from pre-existing cell was stated by
Haeckel
Virchow
Hooke
Schleiden
- 11. Multiple Choice
Cell theory was given by
Schleiden and Schwann
Virchow
Hooke
Haeckel
- 12. Multiple Choice
Lysosome arises from
endoplasmic reticulum
golgi apparatus
nucleus
mitochondria
- 13. Multiple Choice
Living cells were discovered by
Robert Hooke
Purkinje
Leeuwenhoek
Robert Brown
- 14. Multiple Choice
The process of …………… helps in movement of carbon dioxide or oxygen across the cell membrane.
osmosis
plasmolysis
diffusion
endocytosis
- 15. Multiple Choice
The hydrolytic enzymes present in the iysosomes are synthesised in the ………………
nucleus
lysosomes
RER
SER
- 16. Multiple Choice
chose the correct option for labelling the mitochondria
a. outer membrane
b. inner membrane
c. matrix
d. cristae
a. inner membrane
b. outer membrane
c. cristae
d. matrix
a. inner membrane
b. envelope
c. lamellae
d. cytoplasm
a. outer membrane
b. inner membrane
c. lumen
d. matrix
- 17. Multiple Choice
chose the correct option for the labelled parts
a. golgi apparatus
b. cell membrane
c. cellulose
d. vacuole
e. chloprophyll
a. mitochondria
b. cell wall
c. outer membrane
d. gas vacuole
e. chloroplast
a. mitochondria
b. cytoplasm
c. cell wall
d. vacuole
e. chloroplast
a. mitochondria
b. plasma membrane
c. cell wall
d. vacuole
e. chloroplast
- 18. Multiple Choice
identify the type of solution and the state of the cell in the given diagram
a. hypotonic - plamolyzed
b. isotonic - normal
c. hypertonic - turgid
a. hypertonic - plasmolyzed
b. isotonic - flaccid
c. hypotonic -turgid
a. hypertonic - turgid
b. hypotonic - flaccid
c. isotonic. plasmolyzed
a. isotonic - flaccid
b. hypotonic - plasmolyzed
c. hypertonic - turgid
- 19. Multiple Choice
The plasma membrane is made up of
phospholipids
phospholipids and proteins
proteins
lipids
- 20. Multiple Choice
______________ is a substance that provides structural strength to plants
chitin
sucrose
glucose
cellulose
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