Cristae are associated with which of the following?
Options
(a) mitochondria (b) cytoplasm (c) protoplasm (d) endoplasmic reticulum
Correct Answer:
mitochondria
Explanation:
No explanation available. Be the first to write the explanation for this […]
Colchicine prevents the mitosis of the cells at which of the following stage
Options
(a) prophase (b) anaphase (c) interphase (d) metaphase
Correct Answer:
metaphase
Explanation:
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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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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 […]
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:
No explanation available. Be […]
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:
No explanation available. Be the first […]
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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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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Cell membrane permeability to ions is
Options
(a) permeable (b) deferentially permeable (c) semipermeable (d) impermeable
Correct Answer:
deferentially permeable
Explanation:
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