Answer is D

• Nation's First 3D Printed Cornea Developed By IIT Hyderabad, LV Prasad Eye Institute.
• Researchers from the L V Prasad Eye Institute (LVPEI), Indian Institute of Technology Hyderabad (IIT-H), and the Centre for Cellular and Molecular Biology (CCMB) have developed a human cornea that is 3D printed using corneal tissue from a human donor.

Answer is A

• Ethyl mercaptan ,also called Ethanethiol is a clear liquid with a distinct odor.
• It occurs naturally as a minor component of petroleum.Its odor smells that of onions or rotten cooked cabbages

Answer is A

• Kangla Pass connects Spiti to Ladakh.

Answer is C

• Recently, the Ministry of Housing and Urban Affairs has announced that the 100 smart cities will have Integrated Command and Control Centers (ICC), under the Smart Cities Mission (SCM).

Why in news?

• The Dharamsala Smart City Integrated Command and Control Center became operational for city residents on August 15th.

Answer is B

• Statement 1 is wrong: Mukhya Mantri Grihini Suvidha Yojana was launched on 26th May, 2018. With the concerted efforts of the Centre and State government, the women of the state have become free from the indoor pollution. Besides this, in order to conserve environment, free LPG connection is given to families with no gas connection.

Why in news?

• Chief Minister Jai Ram Thakur said that 3.34 lakh families have been benefited under Grihini Suvidha Yojna so far and a sum of Rs.131 crore spent to facilitate the women of the state.

Answer is B

• The World Development Report (WDR) is an annual report published since 1978 by the International Bank for Reconstruction and Development (IBRD) or World Bank.

Answer is B

• The terms "Socialist", "Secular", and "Integrity" were added to the Preamble of Indian Constitution in 1976 through the 42nd Constitutional Amendment.

Answer is B

• A grand carnival held to welcome the New Year; the Halda Festival is one of the biggest festivals celebrated in the Lahaul district of Himachal Pradesh.