EASY
9th CBSE
IMPORTANT
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What would happen if lysosomes get ruptured inside the cells in which they are present?

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Important Questions on The Fundamental Unit of Life

EASY
9th CBSE
IMPORTANT
Cell wall of plant is chiefly composed of
MEDIUM
9th CBSE
IMPORTANT
Which of the following are characteristics of unicellular organisms?
(i) There is no division of labor
(ii) Life span of organism is long
(iii) Reproduction consumes the whole cell
(iv) Single cell performs one or few activities of the organism
Select the correct option:
EASY
9th CBSE
IMPORTANT
Which of the following are properties of a light microscope?
(i) It uses beams of electrons to illuminate objects.
(ii) It uses beams of light to illuminate the object.
(iii) Internal vacuum is not required.
(iv) It uses glass lenses.
Select the correct option:
EASY
9th CBSE
IMPORTANT

Which of the following are characteristics of prokaryotic cells?

(i) The nucleolus is absent.

(ii) It contains a single chromosome.

(iii) Cell division occurs by mitotic or meiotic cell division.

(iv) The size of the cell is generally large (5 - 100 mm).

Select the correct option:

EASY
9th CBSE
IMPORTANT
Which of these are not the features of organelles?
(i) They may be external or internal to body of an organism.
(ii) They coordinate to produce the cell
(iii) They are found in all eukaryotic cells.
(iv) They are macroscopic.
Select the correct option:
EASY
9th CBSE
IMPORTANT
Which of these options are not functions of ribosomes?
(i) It helps in the manufacture of protein molecules.
(ii) It helps in the manufacture of enzymes.
(iii) It helps in the manufacture of hormones.
(iv) It helps in the manufacture of starch molecules.
Select the correct option:
MEDIUM
9th CBSE
IMPORTANT
Osmosis ________
(i) is the spontaneous movement of water molecules through a selective permeable membrane (eg, plasma membrane).
(ii) can occur in any medium.
(iii) occurs only in liquid medium.
(iv) does not require semi-permeable membrane.
Select the correct option:
MEDIUM
9th CBSE
IMPORTANT

Endocytosis is _____
(i) intake of extra-cellular fluid, droplets and macromolecules.
(ii) intake of extracellular particles.
(iii) Growth of plasma membrane around the particle as pseudopodia.
(iv) a nutritive process.
Select the correct option:

Note:- The options provided were not helping to choose the correct answer hence one of the option is changed.