Science (Cell-structure
and functions)
(Q.1) Largest cell, which
can be observed with an unaided eye is
_____________ (Ans) Ostrich’s egg
(Q.2) Plasma membrane and
rigid outer layer cell wall both give the_______ to the cell.
(Ans)
Shape.
(Q.3) The liquid present
in the nucleus is _______and is surrounded by______. (Ans) Nucleoplasm, nuclear membrane.
(Q.4) The structure
responsible for the transfer of characters from the parents to next generation.
Ans)
Chromosomes
. Chromosomes
transfer the characters from parents to the next generation.
(Q.5) Largest organelle
present in the plant cell.
(Ans) Plastid are the largest
cell organelle present only in plant cell.
|
(Q.6) Name
the outermost layer of an animal cell. (Ans) Plasma membrane. |
(Q.7) The organelle found in a cell, which is rod-shaped or spherical in shape.
(Ans) Mitochondria. (Q.8) __________ cells have larger vacuoles than the _________ cells.
(Ans) Plant, animal.
(Q.9) Different tissues join to form a. (Ans) Cells join together to form a tissue; different tissues join together to form an organ. (Q.10) Cell membrane is selectively permeable, it means.
(Ans) It allows some substances to enter andpreventing others. (Q.11) Fluid surrounding the nucleus is called_______________ (Ans) Nucleoplasm.
(Q.12) In plant cells, where does the nucleus lies.
(Ans) Generally, nucleus lies in the center of the cells but in plant cells, it is present at periphery.
(Q.13) Animal cells have following except (a) Mitochondria (b) Ribosomes (c) Large Vacuoles (d) Nucleolus.
(Q.14) Mention the layer outside the plasma membrane of a plant cell. (Ans) Cell Wall is the layer outside the plasma memberane of a plant cell.
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