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What is the name of the ocean that surrounded the supercontinent Pangaea?

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Important Questions on Waves

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Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves
Archaebacteria differs from eubacteria in:
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Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves
Which among the following are the smallest living cells, known without a definite cell wall, pathogenic to plants as well as animals and can survive without oxygen?
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Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves
Which of the following are found in extreme saline conditions?
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Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves
Anoxygenic photosynthesis is characteristic of:
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Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves
Pick up the wrong statement.
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Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves
Methanogens belong to:
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Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves
DNA replication in bacteria occurs
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Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves
The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include the:
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Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves
Cell wall is absent in:
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Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves
The true nucleus is absent in:
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Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves
Which one of the following statements is wrong?
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Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves
Chrysophytes, Euglenoids, Dinoflagellates and Slime moulds are included in the kingdom:
MEDIUM
Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves
Ventilators are provided in rooms just below the roof. Why?
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Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves
An ordinary electric fan does not cool the air; still, it gives comfort in summer. Explain.
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Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves
State the unit and dimensions of coefficient of convection?
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Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves
Which method of heat transfer depends on gravity?
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Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves
In which of the following process, convection does not takes place primarily?
MEDIUM
Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves
It is hotter at the same distance over the top of a fire than it is on the side of it, mainly because :
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Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves
Why convection cannot take place in a solid?
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Physics>Oscillations and Waves>Waves>Principle of Superposition of Waves
Explain why felt rather than air is used for thermal insulation even though the thermal conductivity of air is less than that of felt?