Organs having different structure and components but perform similar functions are called ______.
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Which of the following plant group has hidden reproductive organs?
What value should come in place of the question mark (?) in the following question?
52x14+145018=1998÷?
The source of energy of the sun is
The transformation of Hydrogen atoms into Helium atoms with an emission of vast amount of energy is called nuclear fusion which is the source of energy for the Sun.
The capacity of a stream is directly related to its
Which of the following statements are CORRECT?
I. Oxides of metals are generally basic.
II. Oxides of non-metals are generally acidic.
III. Non-metals are generally electro positive.
According to ohm's law, which of the following is true?
____ are atoms/molecules/ions containing the same number of electrons.