Questions

Which of these is an example of negative feedback?

Which nutrient provides maximum energy?

The reverse effect of X-ray emission is

Which statement is true of all atoms that are anions?

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.

Grandmother used to be _____ .

Festival of Nuakhai was recently celebrated in

Which ministry has started the exercise to revise base year to 2017 - 2018 for computation of wholesale inflation?

To the economist, total cost includes