Chloroplasts of Spirogyra have
Options
(a) spiral margin (b) smooth or waxy margin (c) spine-margin (d) none of these
Correct Answer:
spiral margin
Explanation:
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Chlorophyll in chlroplast is located in
Options
(a) grana (b) pyrenoid (c) stroma (d) Both grana and stroma
Correct Answer:
grana
Explanation:
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Chitin is a polysaccharide found in the exoskeleton of
Options
(a) prawn (b) insects (c) crabs (d) prawn,insects,crabs, all of these
Correct Answer:
prawn,insects,crabs, all of these
Explanation:
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Channel proteins are involved in
Options
(a) transport of enzymes (b) water transport (c) active transport of ions (d) passive transport of ions
Correct Answer:
passive transport of ions
Explanation:
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Cells divide and new cells are formed from pre-existing cells. This concept was given by
Options
(a) Matthias Schleiden (b) Theodore Schwarm (c) Matthias Schleiden and Theodore Schwann (d) Rudolf Virchow
Correct Answer:
Rudolf […]
Cells are connected by plasmodesmata, the system is
Options
(a) apoplast (b) symplast (c) cross connection (d) none of these
Correct Answer:
symplast
Explanation:
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Cell was discovered by
Options
(a) Robert Brown (b) Robert Hooke (c) Camello Golgi (d) none of these
Correct Answer:
Robert Hooke
Explanation:
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Cell wall shows
Options
(a) complete permeability (b) semipermeability (c) differential permeability (d) impermeability
Correct Answer:
complete permeability
Explanation:
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Cell wall of plants is composed of
Options
(a) cellulose and pectin (b) cellulose and cellulose (c) cellulose and glycogen (d) glycogen and starch
Correct Answer:
cellulose and pectin
Explanation:
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Cell wall consists of
Options
(a) lignin, hemicellulose,protein and lipid (b) hemicellulose,cellulose,tubulin and lignin (c) lignin,hemicellulose,pectin and liquid (d) lignin,hemicellulose,pectin and cellulose
Correct Answer:
lignin,hemicellulose,pectin and cellulose
Explanation:
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