Explanation

Explanation

• Prophet Musa (A.S) is mentioned about 136 times in the Holy Qur’an.
• Prophet Musa (A.S) was given the Torah (Tawrat) as a divine book.
• He is one of the Ulul-Azm prophets (the prophets of strong determination).

Additional information:

• Ibrahim (A.S) – about 69 times
• Nuh (A.S) – about 43 times
• Lut (A.S) – about 27 times
• Isa (A.S) – about 25 times

Last verified on 14-03-2026

Explanation

• "To take a rain check" means to decline an offer for now but suggest doing it later.
• It originally comes from sports tickets being reused when events were rained out.

Last verified on 22-10-2026

Explanation

• The Activity method focuses on engaging students actively in the learning process, making science more hands-on and experiential.
• It is considered an effective method for teaching science at the elementary level in Pakistan, as it encourages exploration and inquiry-based learning.

Last verified on 14-11-2026

Explanation

• Pedagogy is the study of teaching methods and strategies.
• It focuses on the art and science of education.
• Including how to effectively impart knowledge and facilitate learning.

Last verified on 14-11-2026

Explanation

• Formative assessment is conducted continuously throughout the teaching and learning process.
• It monitors students' progress and identifies learning difficulties.
• Teachers use quizzes, assignments, classroom discussions, and feedback to improve learning.
• Its main purpose is to improve learning rather than assign final grades.

Last verified on 14-11-2026

Explanation

• Performance-based assessment evaluates students’ actual skills and abilities.
• It focuses on doing tasks rather than memorizing facts.
• Students demonstrate learning through real activities or projects.
• It measures application, creativity, and problem-solving.

Last verified on 03-06-2026

Explanation

• Aldehydes and ketones contain a polar carbonyl group (C=O) which is susceptible to nucleophilic attack.
• They commonly undergo nucleophilic addition reactions, a key feature of their reactivity.

Last verified on 13-11-2026

Explanation

• An ionic bond forms when one or more electrons are transferred from one atom to another.
• Ionic bond: Formed by electron transfer, e.g., sodium chloride (NaCl).

Additional information:

• Covalent bond: Formed when atoms share electron pairs, e.g., water (H₂O).
• Metallic bonding: Positive metal ions are held together by attraction to delocalized electrons.
• Coordinate (dative) bond: A covalent bond in which both shared electrons are donated by one atom.

Last verified on 15-10-2026

Explanation

• Electron: Discovered by J. J. Thomson, 1897

Additional information:

• Proton: Discovered by Ernest Rutherford, 1919
• Neutron: Discovered by James Chadwick, 1932
• Atomic Model Proposed: Plum Pudding Model
• Significance: First subatomic particle discovered

Last updated by NA on 05-11-2026