Explanation

Blood type O has no A or B antigens on the surface of red blood cells.

That's why type O is known as the universal donor in blood transfusion.

Explanation

The Muslim League rejected the proposals because it had given the greatest importance and priority to the creation of one Indian Union.

The Indian National leaders reject the Cripps Mission by the demand for immediate independence.

The Cripps Mission was a failed attempt in late March 1942.

The Cripps Mission was sent by the British government to India.

 To obtain Indian cooperation for the British war efforts in the 2nd World War.

The mission was headed by a senior minister Sir Stafford Cripps.

The objective of Cripps Mission: To reform the constitutional issues

Explanation

Peptidoglycan (also known as murein) is a mesh-like polymer that makes up the cell wall of most prokaryotes, especially bacteria.

It provides rigidity and structural support, protecting the cell from osmotic pressure.

Explanation

• In March 1929, Muhammad Ali Jinnah presented his 14 Points during a Muslim League session in Delhi to protect Muslim rights and interests.
• He had left for England in May 1928.
• He had returned after six months.
• The Nehru Report of 1928 influenced these points, which were consolidated with help from Muhammad Ali Jauhar.
• Jinnah’s Fourteen Points (1929) aimed to safeguard Muslim rights in British India.

They included:

1. Federal constitution with provincial powers.
2. Provincial autonomy.
3. No constitutional changes without state agreement.
4. Adequate Muslim representation in legislatures.
5. Muslim representation in services and self-governing bodies.
6. 1/3rd Muslim representation in the Central Legislature.
7. 1/3rd Muslim members in central and state cabinets.
8. Separate electorates.
9. No bill passed if 3/4th of a minority opposes it.
10. Reorganisation should not affect Muslim majorities in Bengal, Punjab, and NWFP.
11. Separation of Sindh from Bombay Presidency.
12. Reforms in NWFP and Balochistan.
13. Full religious freedom.
14. Protection of Muslim religious, cultural, educational, and linguistic rights.

Explanation

The Aedes mosquito, especially Aedes aegypti, is the primary vector of dengue fever.

Anopheles transmits malaria.

Culex transmits other diseases like West Nile virus.

Explanation

Group IIA elements (alkaline earth metals) have 2 electrons in their outermost s-orbital.

Their general electronic configuration ends with ns², where n is the period number.

Explanation

Troposphere is the lowest layer of the atmosphere where all weather phenomena occur and where we live.

Exosphere is the outermost layer, gradually merging into space, containing very thin air and satellites.

Explanation

ICT stands for Information and Communication Technology.

It refers to the use of digital tools and resources (like computers, internet, smartboards) to enhance teaching and learning.

Explanation

• Surah Al-Fatiha is also known as Al-Hamd (The Praise).
  It has 7 verses, 29 words, and 139 letters.
  It is also referred to as:
  • As-Salah (The Prayer)
  • Umm al-Kitab (Mother of the Book)
  • Umm al-Quran (Mother of the Quran)
  • Sab'a min al-Mathani (Seven Repeated Ones)
  • Ash-Shifa' (The Cure).

Explanation

At temperatures above the optimum, enzymes lose their three-dimensional shape — a process called denaturation.

Denatured enzymes cannot bind substrates properly, leading to a rapid drop in reaction rate.