According to the 2011 census, Bihar state has the highest fertility rate in India.

The following statements are correct regarding global warming.

A. Global warming is the long-term heating of Earth's surface observed since the pre-industrial period due to human activities, primarily fossil fuel burning, which increases heat-trapping greenhouse gas levels in Earth's atmosphere.

B. Global warming causes climate change, which poses a serious threat to life on Earth in the forms of widespread flooding and extreme weather. Which of these statements are correct?

After considering the following statements regarding the main causes of extreme cold in North India during the cold season, the correct statements have been identified.

1. States like Punjab, Haryana and Rajasthan, being far away from the moderating influence of sea, experience continental climate.

2. The snowfall in the nearby Himalayan ranges creates a cold wave situation.

3. Around February, the cold winds coming from the Caspian Sea and Turkmenistan bring a cold wave along with frost and fog over the northwestern parts of India.

1. A steep hill more than 600 meters high is classified as a mountain.

2. We can group different landforms as hills, mountains, plateaus and plains on the basis of height and slope.

1. Of the following in India, the 'Bunni' breed of buffalo is mainly found in Gujarat.

2. Banni buffalo, also known as "Kutchhi" or "Kundi", is a breed of buffalo found primarily in the Kutch district of Gujarat, India.

3. This breed is known for its high milk production capacity, disease resistance and adaptability to dry environments.

1. Satpura and Vindhya mountain ranges are found in the central western part of India.

2. 'Satpura Series' includes all the parts.

- Rajpipla

- Mahadev

- Macal