Questions

Beryl is an ore/mineral of

Which of the following is an excretory organ of cockroach?

Which is NOT an example of organism that breaks down the food material outside the body and then absorb it?

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.

There is now a reasonably ______ body of evidence suggesting that, even from the most rigorous scientific perspective, unselfishness and concern for others are not only in our own interests but also, in a sense, innate to our biological nature.

If D and E are points on the sides AB and AC respectively of a triangle ABC such that DE||BC. If AD = x cm, DB = (x – 3) cm, AE = (x + 3) cm and EC= (x – 2) cm, then what is the value (in cm) of x?

Who amongst the following was the successor of Sikh Guru Har Krishan?

According to the categories of land mentioned in the Chola inscriptions ___________ was known as the land gifted to Brahmanas?

Who invented bluetooth?