Explanation

The recommended daily intake of Vitamin A for boys aged 13-15 years is around 5000 IU.

This helps in growth, vision, and immune function during adolescence.

Explanation

Photosynthesis absorbs CO₂ from the atmosphere, reducing greenhouse gases.

Other factors like ozone depletion, greenhouse effect, and CO₂ increase contribute to global warming.

Explanation

Elephants have 56 chromosomes in total, which means 28 pairs.

These chromosomes carry genetic information essential for their growth, reproduction, and survival.

Explanation

The Hindbrain is divided into three main parts:

• Medulla Oblongata (controls breathing, heart rate, and blood pressure)
• Pons (involved in controlling sleep and arousal)
• Cerebellum (coordinates movement, balance, and learning)

Explanation

کشیدہ الفاظ "موتیوں کی مانند" میں "مانند" (جیسے) کے ذریعے شبنم کے قطروں کو موتیوں سے تشبیہ دی گئی ہے۔ اس لیے یہ تشبیہ کہلاتی ہے۔

Explanation

قافیہ کی جمع قوافی ہے۔

Explanation

وہ نظم جس میں پانچ بند ہوں مخمس کہلاتا ہے۔

Explanation

To factorize 10y² - 3y - 1:

Look for two numbers whose product is 10 × (-1) = -10 and whose sum is -3.

These numbers are -5 and 2.

Rewrite the middle term:

10y² - 5y + 2y - 1

Now, factor by grouping:

(10y² - 5y) + (2y - 1)

5y(2y - 1) + 1(2y - 1)

Common factor (2y - 1):

(2y - 1)(5y + 1)

Explanation

Speed = Distance ÷ Time

= 30 m ÷ 5 s

= 6 m/s

Explanation

0.0075m is correct because 7.5mm equals 7.5 ÷ 1000 meters.

Millimeters (mm) are converted to meters (m) by dividing by 1000.

One meter = 1000 mm