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

BETTER means بہتر

Worse means بدتر

Explanation

Carbon has 4 electrons in its outer shell.

It forms 4 covalent bonds, making it tetravalent (valency = 4).

Explanation

Pedagogy is the science and art of teaching children.

It involves strategies, methods, and practices used in school education.

Explanation

Here ignorance means درگزر

Ignoring minor inappropriate behavior is often an effective strategy to reduce it, as it deprives the behavior of attention, which can discourage repetition.

Praise and reward are better used to reinforce positive behavior.

Strictness may be counterproductive for minor issues.

Explanation

Response means جواب

Reply means جواب

Explanation

According to John Dewey, education is the reconstruction or reorganization of experiences which adds meaning and prepares individuals for future experiences.

He believed learning is rooted in experience and interaction with the environment.

Explanation

SOLO Taxonomy consists of five levels:

1. Prestructural
2. Unistructural
3. Multistructural
4. Relational
5. Extended Abstract

Explanation

موئن جو دڑو کی دریافت انسانی اعضاء کی ہڈیوں کی کھدائی کے دوران ہوئی تھی۔

اس سے قدیم وادی سندھ کی تہذیب کے آثار ملے تھے۔

Explanation

• Volvox is a genus of green algae that includes about 20 species of aquatic, photosynthetic organisms.
• They are characterized by their spherical or ellipsoidal shape and are typically found in freshwater environments.
• Volvox species are known for their unique colony structure, which consists of a hollow sphere of cells surrounding a central cavity.