13 June : Daily Current Affairs Quiz

Answer:  Option A - Petroleum Refinery Products

Explanation:

• Petroleum Refinery Products, with a weightage of 28.04% in the Index of Industrial Production (IIP).
• This signifies that changes in the production of petroleum refinery products have the greatest impact on the overall IIP calculation among the listed eight core industries, reflecting its significant contribution to industrial output in India.

Answer:  Option A - A temporary Speaker appointed for the first meeting of a newly elected Loksabha.

Explanation:

• A pro-tem Speaker is appointed to administer the oath of office to newly elected members and conduct the proceedings until a permanent Speaker is elected.
• This role is crucial in ensuring the orderly conduct of business in the initial stages of a legislative assembly, facilitating the election of a Speaker and formation of committees.

Answer:  Option A - Newly discovered Martian craters

Explanation:

• Recently, scientists from Ahmedabad's Physical Research Laboratory (PRL) identified three new craters on Mars: Lal, Mursan, and Hilsa.
• These craters, are located in the Tharsis volcanic region.
• Their discovery provides insights into Martian geology and suggests past water activity, supporting the hypothesis of a wetter Martian environment in the past, as evidenced by sedimentary deposits found in the Lal crater.

Answer:  Option C -  Envelope glycoprotein

Explanation:

• The envelope glycoprotein of HIV, particularly gp120, plays a crucial role in recognizing and binding to CD4 receptors on host immune cells (such as T-helper cells).
• This interaction initiates the process of viral entry into the cell, facilitating subsequent infection and replication of the virus within the host.

Answer:  Option C - Agricultural activities

Explanation:

• The major contributor to anthropogenic nitrous oxide (N2O) emissions in India is agricultural activities, particularly fertiliser usage (like ammonia) and animal manure.
• These activities accounted for 74% of man-made N2O emissions in India in 2020, highlighting their significant impact on atmospheric greenhouse gases.