Questions

Which of the following is an excretory organ of cockroach?

Binomial Nomenclature was founded by

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
John as well as his friends always _____ the permission of his mother before going for a rugby match.

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

He _____ to the problem of air pollution in his speech.

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
One who is determined to take full revenge for wrongs done to him

Earth-worms belongs to the phylum

Choose the word that best defines the given phrase‘The identification of a disease by its symptoms’

The Indian State of Sikkim does not share a border with which neighbouring country?