Questions

Which type of permanent tissue helps the aquatic plants to float?

______ are details of appearance or behavior or in other words, a particular form or a particular function in classification of organisms.

When a chromosome undergoes a deletion mutation information is

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.
I said to him, "I am too tired now to go out with you."

In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

The _____ of energy in India are met from both commercial and non commercial sources. The most _____ sources of energy today are coal and natural gas, hydro
electricity and nuclear power. On the other hand, firewood, cow-dung cakes and vegetable waste etc. _____ non commercial forms of energy. While non commercial
forms of energy _____ demand, coal is the _____ source of commercial energy in India.

While non commercial forms of energy _____ demand,

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
An associate in crime

Lysosome is formed from which of the following cell organelles?

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best
expresses the same sentence in Indirect/Direct speech.
“Bring me my spectacles,” said grandfather to me.