Explanation

HBV is Highly Contagious:

Transmitted through blood, semen, and other body fluids.

10 times more infectious than HCV and 50–100 times more infectious than HIV.

Can survive outside the body for up to 7 days, increasing transmission risk.

Explanation

Given kinetic energy (K.E) = 1 J and mass (m) = 1 kg:

K.E = ½mv²

1 = ½ * 1 * v²

v² = 2

v = √2 ≈ 1.414

The correct answer is 1.4 m s⁻¹.

Explanation

Sodium is a reducing agent because it loses electrons easily.

Oxidizing agents gain electrons; chlorine, nitric acid, and nitrogen can act as oxidizers, but sodium cannot.

Explanation

Louse is an irregular noun; its plural form is lice.

This follows the same pattern as mouse → mice.

Explanation

The correct order of pronouns in a positive sentence is 2nd person (you), 3rd person (he), and 1st person (I).

However, in traditional formal usage, "He, you and I" is acceptable and commonly used.

Explanation

Environmental education helps students understand the importance of nature and sustainability.

It promotes awareness and responsibility for protecting the environment as part of daily life.

Explanation

The Holy Quran was first time translated into Urdu:

Shah Abdul Qadir and Shah Rafiuddin (Mozah Al-Quran)

***

The Holy Quran was first time translated into Punjabi:

Tauqir Amaan Khan

****

The Holy Quran was first time translated into Sindhi:

Aakhund Azzizullah

****

The Holy Quran first time translated into English:

George Sale

**

Holy Quran was translated for the first time in India

Persian

***

Holy Quran was translated for the first time in the World

Persian

Explanation

To convert a percentage to decimal, divide by 100: 40 ÷ 100 = 0.4.

Explanation

36 is a composite number as it has factors other than 1 and itself.

Factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36.

Explanation

Natural Number: The number 1 is considered a natural number (used for counting: 1, 2, 3, ...).