class 9 icse the cell some multiple choice questions
Answers
Answer:
1) The non living part of cell is covered by a covering called tonoplast. The organalle is :-
a) Vacuoles
b) Granules
c) Ribosome
d) Chromatin fibres
2)The minute double walled bags with their inner walls produced into finger like projections projecting outwards is :-
a) ATP
b) Centrioles
c) Cisternae
d) Cristae
3)Golgi complex consists of many small groups of hollow tubular structures with membranous walls called :-
a) ATP
b) Centrioles
c) Cisternae
d) Cristae
4)An Orange-Red coloured pigment is :-
a) Chlorophyll
b)Anthocyanins
c) Xanthophyll
d) Carotene
5)Cell Membrane is composed of :-
a) Lipoproteins
b) Cellulose
c) Dead cells
d) None of the above
6)Which Scientist gave the Cell theory?
a) Matthias Schleiden
b) Theodor Schwaan
c) Rudolf Virchow
d) None of the above
7)The amoebid cells present in humans are
a) Nerve Cell
b) Bone Cell
c) WBCs
d) Cartilage Cells
8) The Suicidal bags of Cell is
a) Dictyosome
b) Lysosome
c) Centrosome
d) Plastid
9)The number of Chromosomes present in humans are
a) 48
b) 46
c) 54
d) 32
10)What is Protoplasm?
a)Basic structural building blocks .
b) Total living substance of a cell.
c) Contains primitive nucleus.
d) None of the above