1. According to the 2011 census, the total population of Bihar is 104,099,452, of which males and females are 54,278,157 and 49,821,295 respectively.

2. According to the 2011 census, the total literacy rate of Bihar is 61.80 per cent.

3. In this, male literacy is 71.20% while female literacy is 51.50%.

4. According to the 2011 census, Bihar is the least literate state.

5. Hence, according to the 2011 census, Bihar ranks first in terms of the lowest literacy rate.

6. Kerala is the most literate state in the country with a literacy rate of 93.91%.

1. Switzerland – Denmark – Japan – Niger

All the statements regarding the benefits of the retired President of India are correct.

A. The former President of India will also be entitled to a monthly pension of ₹2.5 lakh.

B. He/She is entitled to a secretarial staff comprising a private secretary, a personal assistant, an additional private secretary, two peons, and office expenses up to ₹1 lakh per annum.

C. He/She is also entitled to free highest-class travel anywhere in India, accompanied by one person, by rail, air, or steamer.

There are mainly six seasons in India. Which is written below.

1. Autumn season lasts from October to November. In the Hindu calendar, it ranges from Aghaan month to Kartik month.

2. The weather becomes clear in spring. Sunlight is available throughout the day.

3. Summer season lasts from May to June.

4. Rainy season is a season favorable to nature. This season lasts from July to September.

5. The temperature drops after the rainy season in the autumn season.

6. Winter season lasts from January to February. In the Hindu calendar it ranges from Magh to Phagun.

This is a correct statement regarding sexually transmitted diseases (STD).

Statement A: Sexually transmitted diseases (STD) are infections transmitted from an infected person to an uninfected person through sexual contact.

Statement B: HIV, HPV and Hepatitis B virus is responsible for STD.

1. India was ranked 10th in the Asia-Pacific Personal Health Index released by the Economist Intelligence Unit in January 2021.

1. In which year did Albert Einstein predict a new state of matter, Bose-Einstein condensate (BEC) in 1924, based on the quantum formulation given by Indian physicist Satyendra Nath Bose?

2. Bose–Einstein condensate (BEC) is a state of matter in which a group of boson particles are in the same quantum state.

1. The first vitamin discovered in 1897 was thiamine, also known as vitamin B1.

2. Thiamine was discovered by Dutch physician Christiaan Eijkman.

3. Vitamin B1 helps body cells convert carbohydrates into energy and maintain proper functioning of the heart, muscles and digestive system.