Explanation

Chromosomes are made up of:

• Nucleic acid (DNA or RNA)
• Proteins (histones and non-histone proteins)

A chromosome is made up of proteins and DNA organized into genes.

Each cell normally contains 23 pairs of chromosomes.

Explanation

There are 17 Sustainable Development Goals (SDGs).

Established by the United Nations in 2015.

Additional information:

1. No Poverty
2. Zero Hunger
3. Good Health and Well-being
4. Quality Education
5. Gender Equality
6. Clean Water and Sanitation
7. Affordable and Clean Energy
8. Decent Work and Economic Growth
9. Industry, Innovation, and Infrastructure
10. Reduced Inequalities
11. Sustainable Cities and Communities
12. Responsible Consumption and Production
13. Climate Action
14. Life Below Water
15. Life on Land
16. Peace, Justice, and Strong Institutions
17. Partnerships for the Goals

Last verified on 16-01-2026

Explanation

Sharif Osman Bin Hadi was a Bangladeshi political and cultural activist, writer, and teacher

He was the co-founder and spokesperson of Inqilab Moncho.

On 12 December 2025, Hadi was shot in the Paltan area of Dhaka

Born: 30 June 1993, Nalchity, Jhalakathi District, Bangladesh

Explanation

 Ahmed Ben Bella was an Algerian politician and soldier

He served as the head of government of Algeria from 27 September 1962 to 15 September 1963

He was the first president of Algeria from 15 September 1963 to 19 June 1965.

He was born on 25 December 1916 in Maghnia

Died: 11 April 2012 (aged 95) Algiers, Algeria

Explanation

Mohammed Ali Ahmed al-Haddad was a Libyan field marshal

He served as the Chief of the General Staff of the Libyan Army from 2020 until 2025

He died in a plane crash on 23 December 2025 (aged 57–58).

The highest-ranking Libyan officer in the Government of National Unity (GNU),

Al-Haddad was born in Misrata in 1967

Explanation

Sheikh Abdul Aziz Bin Baz was a famous Saudi Arabian Islamic scholar

known as Ibn Baz or Bin Baz

The second Grand Mufti of Saudi Arabia from 1993 to 1999. 

 He passed away in 1999 at the age of 88 or 90. 

Explanation

Pakistan has sold 40 JF-17 Thunder Block III aircraft to Azerbaijan

The total deal is worth around $4.6 billion,

 This is considered the largest export contract in Pakistan's defense industry history. 

Explanation

A data array stores multiple elements of the same type in contiguous memory locations.

Each element can be accessed directly using an index.

Arrays provide efficient memory storage and quick access.

They are a basic and widely used data structure in programming.

Explanation

The ripening of fruits is a biochemical process.

Oxygen is essential for cellular respiration, which drives ripening.

It helps in conversion of starches to sugars and softening of fruit tissue.

Controlled oxygen levels are used in storage and packaging to manage ripening.

Explanation

Anthracite is the highest grade of coal with the highest carbon content.

It has low moisture and impurities, making it very efficient as fuel.

It burns cleanly and produces more heat compared to other types of coal.

Other forms like lignite and bituminous have higher moisture and lower carbon.