Q. No.How many microtubules are associated with the structure of centriole?
(1) 9
(2) 18
(3) 27
(4) 11
(1) 9
(2) 18
(3) 27
(4) 11
Granular endoplasmic reticulum is associated with which of the following functions?
(1) Synthesis of secretory as well as non-secretory proteins
(2) Synthesis of non-secretory proteins
(3) Synthesis of steroidal hormones
(4) Synthesis of secretory proteins
Which of the following plastids store fats?
(1) Elaioplast
(2) Aleuroplast
(3) Proteinoplast
(4) Amyloplast
In plants, which of the following microbody is involved in photorespiration?
(1) Peroxisome
(2) Sphaerosome
(3) Glyoxysome
(4) Ribosome
Which of the following cellular organelles is/are bound by a single membrane?
Peroxisomes, lysosomes, mitochondria
(1) Only peroxisomes but not lysosomes and mitochondria
(2) Both peroxisomes and lysosomes but not mitochondria
(3) All of the three organelles
(4) None of the three organelles
Ribosomes attach to ER by its
(1) 50 S subunit
(2) 60 S subunit
(3) 40 S subunit
(4) 30 S subunit
All are membrane bounded cell organelles in a typical plant cell, except
(1) Mitochondria
(2) Lysosome
(3) Ribosome
(4) Chloroplast
Plasmodesmata connections help in
(1) Cytoplasmic streaming
(2) Mitotic division
(3) Movement of substances between the cells
(4) Osmosis only
A nuclear pore allows
(1) Unidirectional movement of DNA
(2) RNA movement only
(3) RNA and protein movement
(4) Protein movement only
Correct statement in relation to vacuoles is
| 1. | It is a triple membrane bound space found in cytoplasm containing sap |
| 2. | It can occupy 90% of cell volume in plants |
| 3. | Its membrane allows transport of materials along the concentration gradient only |
| 4. | Concentration of ions is significantly lesser in vacuole than cytoplasm |
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