General Science Questions

Which one of the following types of waves are used in a night vision apparatus?

Persons with which blood group are called universal donors?

The blue colour of the clear sky is due to

The intensity of Earthquakes is measured on

The theory which advocates that living beings can arise only from other living beings is termed

At present, scientists can determine the arrangement or relative positions of genes of DNA sequences on a chromosome. How does this knowledge benefit us?

1. It is possible to know the pedigree of livestock.
2. It is possible to understand the causes of all human diseases.
3. It is possible to develop disease-resistant animal breeds.
Which of the statements given above is/are correct?

A married couple adopted a male child. A few years later, twin boys were born to them. The blood group of the couple is AB positive and O negative. The blood group of the three sons is A positive, B positive, and O positive. The blood group of the adopted son is

As you go down into a well, your weight