Explanation

Rose is a dicot plant, meaning it has two seed leaves (cotyledons) in its seed.

Maize and Bamboo are monocots, having only one seed leaf.

Explanation

The number of different types of gametes is calculated using the formula 2ⁿ, where n is the number of heterozygous gene pairs.

In genotype AaBb, there are 2 heterozygous pairs (A/a and B/b), so 2² = 4 types of gametes: AB, Ab, aB, ab.

Explanation

An Intelligence Test measures a person’s overall mental capacity and cognitive abilities.

It assesses reasoning, problem-solving, and understanding skills.

Explanation

Glucose synthesis occurs during photosynthesis, which primarily happens in the leaves.

Leaves contain chlorophyll that captures sunlight energy needed for this process.

Explanation

Bacteria (e.g., Streptomyces) and Fungi (e.g., Penicillium) are commonly used to produce antibiotics.

These microorganisms naturally produce substances that kill or inhibit other microbes.

Explanation

Fe = 56, N = 14 × 2 = 28, O = 16 × 6 = 96 → Total = 56 + 28 + 96 = 180 amu

This is the correct formula mass for Iron (II) Nitrate, Fe(NO₃)₂.

Explanation

اسم معرفہ وہ اسم ہوتا ہے جو کسی خاص چیز، جگہ یا فرد کی نشاندہی کرے۔

چنبیلی ایک خاص پھول کا نام ہے، اس لیے یہ اسم معرفہ ہے۔

Explanation

Complete combustion of hydrocarbons (like methane, propane, etc.) in the presence of oxygen produces:

• Carbon dioxide (CO₂)
• Water (H₂O)

Therefore, the combustion products of hydrocarbons are carbon dioxide and water.

Explanation

Tar is the major component of particulate matter inhaled in cigarette smoke.

It contains several carcinogens.

It is responsible for lung damage.

Explanation

The cochlea is a spiral, snail-shaped structure in the inner ear responsible for converting sound vibrations into nerve signals.

It plays a key role in the sense of hearing.