Questions

In the following question, a sentence has been given in Active/Passive voice. Out of four alternatives suggested, select the one, which best expresses the same sentence in Passive/Active voice.

One must keep one's promises.

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.

The big tree was ______ the lake.

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.

In 1961, a meteoroid was defined as "a solid object moving in (1)/ interplanetary space, of a size considerably smaller than (2)/ an asteroid and considerably larger then an atom". (3)/ No error (4)

__________ is the interaction in which one species benefits and the other is neither harmed nor benefited.

Which of the following is an amphoteric oxide?

Which  one  of  the  following  statements  is not correct?

In terms of size, Saturn ranks no. ___ in our Solar System.

In a food chain, what is the difference between primary consumers and secondary consumers?