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Daily-mcqs 14 Jan 2025

Current Affairs MCQs for UPSC & State PSC Exams 14 Jan 2025

Current Affairs MCQs for UPSC & State PSC Exams

Q1:

Consider the following statements regarding genes and DNA:

1.    A gene is a segment of DNA that determines the physical traits and health profile of an organism.

2.    DNA is a single-stranded structure composed of four nucleotides.

3.    Genes are inherited through two copies, one from each parent.

Which of the statements given above is/are correct?

A: 1 and 2 only

B: 1 and 3 only

C: 2 and 3 only

D: All of these

Show

Answer: B

Explanation:

Statement 1 is correct: A gene is a biological unit of inheritance, made up of DNA, and determines traits such as physical characteristics and health profiles of an organism.

Statement 2 is incorrect: DNA is a double-stranded structure, not a single strand. It is composed of two strands that form a double helix, with Adenine pairing with Thymine, and Cytosine pairing with Guanine.

Statement 3 is correct: Humans inherit two copies of each gene, one from each parent, resulting in 46 chromosomes (23 pairs). These chromosomes include both autosomes and sex chromosomes.

Q2:

Consider the following statements regarding the Maha Kumbh Mela 2025:

1.    The Maha Kumbh Mela 2025 began on January 13, 2025, and will last for 45 days.

2.    The Kumbh Mela is celebrated every 12 years at four sacred locations: Haridwar, Prayagraj, Ujjain, and Nashik.

3.    The Kumbh Mela is spiritually significant due to the belief that bathing at the Triveni Sangam in Prayagraj grants moksha (spiritual liberation).

Which of the statements given above is/are correct?

A: 1, and 3 only

B: 1 and 2 only

C: 2 and 3 only

D: All of these

Show

Answer: D

Explanation:

Statement 1 is correct: The Maha Kumbh Mela 2025 will indeed begin on January 13, 2025, and continue for 45 days, concluding on February 26, 2025.

Statement 2 is correct: The Kumbh Mela is held every 12 years at four sacred sites: Haridwar, Prayagraj, Ujjain, and Nashik.

Statement 3 is correct: Pilgrims believe that taking a ritual bath at the Triveni Sangam in Prayagraj purifies their sins and grants moksha.

Q3:

Consider the following statements regarding pink fire retardants:

1.    Pink fire retardants, such as Phos-Chek, are primarily used to suppress wildfires.

2.    The main components of Phos-Chek include water, ammonium salts like diammonium phosphate, and a colorant.

3.    The colorant used in Phos-Chek is green.

4.    Phos-Chek is designed to evaporate quickly compare to water.

Which of the statements given above is/are correct?

A: 1 and 2 only

B: 2 and 3 only

C: 1, 2, and 4 only

D: 1 and 4 only

Show

Answer: A

Explanation:

Statement 1 is correct: Pink fire retardants like Phos-Chek work by creating a non-flammable barrier that prevents oxygen from fueling the fire.

Statement 2 is correct: Phos-Chek is made up of water, ammonium salts, and a colorant, which helps firefighters clearly see the treated areas.

Statement 3 is incorrect: The colorant in Phos-Chek is pink, not green, which helps in easily identifying the areas that have been treated.

Statement 4 is incorrect: Phos-Chek is designed to remain in place longer than water, as it does not evaporate easily, which helps provide extended protection against fires.

Q4:

Consider the following statements regarding India-Nepal trade:

1.    India is Nepal's largest trading partner, accounting for 64.1% of Nepal’s total trade.

2.    In the fiscal year 2022-2023, Nepal’s exports to India amounted to USD 8.85 billion, while imports from India were valued at USD 839.62 million.

3.    Nepal’s main exports to India include edible oil, coffee, tea, and jute, reflecting the significance of the agricultural sector in the trade.

Which of the statements given above is/are correct?

A: 1, and 3 only

B: 1 and 2 only

C: 2 and 3 only

D: All of these

Show

Answer: A

Explanation:

Statement 1 is correct: India is Nepal’s largest trading partner, making up 64.1% of Nepal’s total trade.

Statement 2 is incorrect: Nepal's exports to India in 2022-2023 amounted to USD 839.62 million, while imports from India were USD 8.015 billion. The values mentioned in the statement are reversed.