Corals are
(a) Poriferans attached to some solid support
(b) Cnidarians, that are solitary living
(c) Poriferans present at the sea bed
(d) Cnidarians that live in colonies
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A guy wire attached to a vertical pole of height 18 m is 24 m long and has a stake attached to the other end.
Solution: Here; h = 24 m, p = 18 m and b = ? From Pythagoras theorem; b2 = h2 – p2 Or, b2 = 242 – 182 = 576 – 324 = 252 Or, b = √252 = 6√7...
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The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability to:
So is reproduction a defining property? Then what about sterile organisms?
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The living organisms can be unexceptionally distinguished from the non-living things on the basis of their ability to:
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For NEET purposes, should we consider poriferans as diploblasts or no germ layer (as they don't form any tissue)?
Thanks, sforrest072... It was really helpful
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For NEET purposes, should we consider poriferans as diploblasts or no germ layer (as they don't form any tissue)?
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For NEET purposes, should we consider poriferans as diploblasts or no germ layer (as they don't form any tissue)?
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Which is not an aquatic animal? (a) Hydra (b) Jelly fish (c) Corals (d) Filaria
Which is not an aquatic animal? (d) Filaria
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There is an overwhelming support for the idea of democracy all over the world.support the statements
Democratic govt is preferred for the following reasons- Power in the hands of people.no single person rules the country. Citizens participate in all the matters and hence feel unified for the nation. People...
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Solid A is a very hard electrical insulator in solid as well as in molten state and melts at extremely high temperature. What type of solid is it?
It is a covalent solid such as SiO2, diamond, SiC, AlN, etc. Covalent solids (except graphite) have very high melting point and are insulators.
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In case of poriferans, the spongocoel is lined with flagellated cells called:
The correct answer is (2) In poriferans (sponges) choanocytes (collar cells) form lining of spongocoel . Flagella present in collar cells provide circulation to water in water canal system.
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