Which of the following statements regarding cilia is not correct ? (a) Cilia contain an outer ring of nine doublet microtubules surrounding two singlet microtubules. (b) The organised beating of cilia is controlled by fluxes of Ca2+ across the membrane. (c) Cilia are hair-like cellular appendages. (d) Microtubules of cilia are composed of tubulin

Which of the following statements regarding cilia is
not correct ?
(a) Cilia contain an outer ring of nine doublet
microtubules surrounding two singlet
microtubules.
(b) The organised beating of cilia is controlled by
fluxes of Ca2+ across the membrane.
(c) Cilia are hair-like cellular appendages.
(d) Microtubules of cilia are composed of tubulin
by

1 Answer

Answer :

(b) The organised beating of cilia is controlled by
fluxes of Ca2+ across the membrane.
by

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Which of the following statements regarding cilia is not correct

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From the following statements select the wrong one. (a) Prawn has two pairs of antennae. (b) Nematocysts are characteristics of the Phylum Cnidaria. (c) Millepedes have two pairs of appendages in each segment of the body. (d) Animals belonging to Phylum Porifera are marine and fresh water

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Which is correct about cell theory in view of current status of our knowledge about cell structure? (a) It needs modification due to discovery of subcellular structures like chloroplasts and mitochondria. (b) Modified cell theory means that all living being are composed of cells capable of reproducing. (c) Cell theory does not hold good because all living beings (e.g., viruses) do not have cellular organisation. (d) Cell theory means that all living objects consists of cells whether or not capable of reproducing

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Last Answer : (c) sieve tubes

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Which one of the following statements about Cycas is incorrect? (a) It has circinate vernation. (b) Its xylem is mainly composed of xylem vessel. (c) Its roots contain some blue-green algae. (d) It does not have a well organized female flower.

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Last Answer : All of the above

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Highly porous refractory bricks are (A) Less susceptible to chemical attack by molten fluxes and gases etc (B) Very strong (C) Having very high thermal conductivity (D) None of these

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