Explanation

Explanation

Explanation

First Urdu Poet According to Hafiz Mehmood Sherani

• Poet: Saad Salman (Mas'ud Sa'd Salman)
• Reference: Punjab Mein Urdu by Hafiz Mehmood Sherani
• Argument: Urdu developed in Punjab after Mahmud of Ghazni’s conquest
• Language Origin: Fusion of local dialects + Persian + Arabic
• Earlier Views: Muhammad Hussain Azad considered Wali Dakhni as first Urdu poet
• Sherani’s Conclusion: First Urdu poet was Mas'ud Sa'd Salman from Lahore

Last verified on 20-01-2026

Explanation

• Plants that do not shed their leaves seasonally are called evergreen plants.
• They maintain green foliage throughout the year.

Additional information:

• Examples of evergreen plants: Pine, Eucalyptus, Mango.
• Evergreen trees play an important role in preventing soil erosion and maintaining oxygen levels.

Last verified on 20-01-2026

Explanation

• Compounds with the same molecular formula but different arrangements of atoms are called isomers.
• Isomers can have different chemical and physical properties despite having the same number of atoms.

• Additional information:
  • Example of isomers: C₂H₆O → Ethanol (CH₃CH₂OH) and Dimethyl ether (CH₃OCH₃)
  • Isomerism is classified into structural isomers and stereoisomers.

Explanation

• Primary production includes extracting and producing natural resources, like crops, livestock, and minerals.
• Rural populations rely heavily on agriculture and related activities

Additional information:

• Examples of primary production: wheat farming, fruit orchards, fishing, cattle rearing.
• These activities support urban industries by providing raw materials.

Last verified on 20-01-2026

Explanation

• In a traditional economy, traditions and customs guide what to produce, how to produce, and for whom to produce.
• Production and distribution are usually handed down through generations.

Additional information:

• Traditional economies are often agriculture-based.
• Skills and jobs are usually inherited within families.

Last verified on 20-01-2026

Explanation

• A new innovation is typically the outcome of systematic investigation.
• It arises when people explore problems, test ideas, and develop solutions.
• Innovation often improves technology, products, or processes.

Last verified on 20-01-2026

Explanation

• Flowering occurs when a plant reaches its maturity stage.
• At this stage, the plant is fully developed and capable of reproduction.

Additional information:

• Flowering is controlled by plant hormones like florigen.
• Environmental factors such as light (photoperiod) and temperature affect flowering.

Last verified on 20-01-2026

Explanation

• Research and extension activities are mainly carried out by extension workers.
• They act as a link between scientists and farmers to transfer new technologies and practices.

Additional information:

• Extension workers help improve crop yield and farm income.
• They play a key role in awareness, training, and adoption of innovations.

Last verified on 20-01-2026