Q. Heterocysts, specialised for nitrogen fixation, occur in certain
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Q. Which of the following is the third stage in the metamorphosis of a butterfly?
Q. Which of the following is not a type of silk?
Q. The skin biting mosquito has legs as locomotory organ which are
Q. Which disease is caused by the deficiency of protein. Identify it from the given options?
Q. Ripening of fruits can be accelerated by
Q. A person of which among the given blood groups is called a universal donor?
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