Questions

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
An old unmarried woman

In a majority of flowering plants, out of the four megaspores, what is the ratio of functional and degenerate megaspores?

Which of the following enzymes is responsible for RNA synthesis?

In each testes in a male reproductive system, there are ________ compartments called testicular lobules.

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

Lechery

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase

to cry wolf

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.

We get sleepy and wake up, become hungry and thirsty at certain hours, ____________ force of habit. We form the habit of liking a certain chair, or nook, or corner, or path, or desk, and __________ seek this to the exclusion of all others. We ______________ use a particular pitch of voice and type of enunciation in speaking, and this becomes one of our characteristic marks; or we _________ the habit of using barbarisms or solecisms of language in __________, and these cling to us and become an inseparable part of us later in life.

at certain hours, ____________ force of habit.

A and B together can do a piece of work in 12 days while A alone can do the same work in 30 days. B alone can do it in