Questions

Harmful bacteria in potable water make the water

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

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.
The constable said, "I saw a bullet mark here."

Which     of     the     following     statements regarding   Indian   federal   system   is/are correct?

1.All States have equal representation in the Rajya Sabha.

2.Consent  of  a  State  is  not  required  for altering its boundaries.

3.There is no dual citizenship in India.

Select  the  correct  answer  using  the  code given below.

Under which Article of Indian Constitution, a person can move to a High Court if his Fundamental Rights are breached?

Echocardiogram is more closely related to

A force of 20 N displaces an object through 2 m and does a work of 20 J. The angle between the force and displacement is

A, B and C can complete a work in 20, 24 and 30 days respectively. All three of them starts together but after 4 days A leaves the job and B left the job 6days before the work was completed. C completed the remaining work alone. In how many days was the total work completed?