Explanation

Introduced by Ayub Khan’s government as the first major land reform in Pakistan.

Regulation 64 of 1959 limited land ownership to:

• 500 acres of irrigated land, or
• 1,000 acres of unirrigated land, or
• A maximum of 36,000 Produce Index Units (PIU) — whichever was greater.

Explanation

A society with differences in beliefs, race, language, etc., is called diverse.

Diversity enriches a society by bringing in multiple perspectives and cultures.

Explanation

The frog eats the caterpillar (a primary consumer), making the frog a secondary consumer.

It occupies the third trophic level in the food chain: Producer → Primary → Secondary → Tertiary.

Explanation

Sharp knives have a smaller contact area, so the same force creates greater pressure.

Higher pressure allows the knife to cut through materials more easily.

Explanation

Pressure = Force ÷ Area, which means it measures how much force is applied over a specific surface.

It is commonly measured in Pascals (Pa) where 1 Pa = 1 Newton/m².

Explanation

Metal is a good conductor of heat, so it quickly transfers heat from the hot object (like tea or soup) to your hand.

Plastic is an insulator, meaning it does not transfer heat well, so it feels cooler to the touch.

Explanation

In a solution, the solute is the substance that dissolves, and the solvent is the one that does the dissolving.

In lemonade, lemon juice is the solute, and water is the solvent.

Explanation

Carbohydrates are the body’s primary and quickest source of energy, especially glucose.

They are broken down during cellular respiration to release ATP (energy).

Explanation

Blood group A can have genotypes IAIA (homozygous) or IAi (heterozygous).

Since IAIA is one valid genotype for blood group A.

Explanation

Climate change leads to more frequent and intense floods, droughts, heatwaves, and glacial melting in Pakistan.

These events severely impact agriculture, water resources, and human health.

It posing a major threat to the country’s economy and livelihoods.