Questions

What is Primary Key in DBMS?

Cybercards are most useful for

Photosynthesis contributes to plant growth by

A passage is given with 5 questions following it. Read the passage carefully and choose the best answer to each question out of the four alternatives and click the button corresponding to it.

My brother, David, was always close to our grandmother. Both of them shared a love of Mother Nature and of food that they had grown themselves. Whenever his schedule permitted, he would drop in for a short visit and a cup of coffee. One day, when he found no one home, he left a chunk of dirt on her porch. This started what was later to be known as his "calling card". Grandmother would come home occasionally and instantly know that Dave had been by when she spotted the chunk of dirt on her porch.

Although Grandmother had a poor upbringing in Italy, she managed to do well in the United States. She was always healthy and independent and enjoyed a fulfilling life. Recently she had a stroke and died. Everyone was saddened by her death. David was disconsolate. His life­long friend was now gone.

David would drop in for a short visit and leave a _____ as a sign on grandma's porch if she was not at home.

An important function of fat in the body is to

Shillong is a hill station in northeast India and is capital of which state?

Kalachakra ceremony is associated with which religion?

Permanent hardness of water may be removed by the addition of