UPSC Prelims Full Length Test - 40

Which of the following animals are listed under Schedule V of the Wild Life (Protection) Act, 1972?

1. Common crow
2. Fruit bats
3. Mice
4. Rats

Select the correct option from the codes given below:

Consider the following statements regarding Ganges River dolphins:

1. They are usually found in areas with slow moving water.
2. They are warm-blooded animals.
3. They can only live in freshwater and are essentially blind.
4. They have been categorised as "endangered" by the International Union for Conservation of Nature (IUCN).

Which of the above statements are correct?

Consider the following statements:

1. The lowest boiling point among alkanes is of methane.
2. The boiling point of butane is equal to the melting point of water.
3. The most produced organic compound in the world is ethylene.
4. Of all the fossil fuels, natural gas causes minimum pollution.

Which of the above statements is / are correct?

Which of the following statements with respect to the Thorium based nuclear fuel cycle is/are correct?

1. Thorium based nuclear cycle produces little or no plutonium.
2. To get criticality, Thorium based fuel cycle does not need any fissile isotopes.
3. Thorium based nuclear cycle produces no hazardous wastes.

Select the correct option from the codes given below:

Consider the following statements regarding radioactive emissions:

1. Gamma emission alters both the mass number and atomic number of an atom.
2. Beta emission changes both the mass number and atomic number.
3. Alpha emission changes both the mass number and atomic number.

Which of the statements given above is / are correct?