Humans and Environment

Q. Around 10, 000 BC, the total human population was about .

1. 40 lakhs
2. 10, 000
3. 20 crores

Q. What are effluents?

1. The solid and liquid wastes released by industries.
2. The solid and gaseous wastes released by industries.
3. The solid wastes released by industries.
4. The liquid wastes released by industries.

Q. Uma says that around 10, 000 BC, the total human population was about 40 lakhs. Hema says that around 10, 000 BC, the total human population was about 1 crore.

Who do you think is right?

1. Both are right.
2. Uma is right.
3. Hema is right.
4. Both are wrong.

Q. Around 10, 000 BC, the total human population was about .

1. 40 lakhs
2. 10, 000
3. 20 crores

Q. Indiaaccountsfor about 2.4% of the total geographical area of the world but supports the second largest population of the world.what are its three implications?

Q. What are effluents?

1. The solid and liquid wastes released by industries.
2. The solid wastes released by industries.
3. The solid and gaseous wastes released by industries.
4. The liquid wastes released by industries.

Q. Uma says that around 10, 000 BC, the total human population was about 40 lakhs. Hema says that around 10, 000 BC, the total human population was about 1 crore.

Who do you think is right?

1. Uma is right.
2. Hema is right.
3. Both are right.
4. Both are wrong.