Explanation

• Photosynthesis is the process by which plants, algae, and some bacteria use sunlight, carbon dioxide, and water to produce glucose (food) and oxygen.
• Chlorophyll, a green pigment found in plant leaves, plays a crucial role in absorbing light energy and initiating the photosynthetic process.

Explanation

• Atoms having same atomic number but different atomic mass, are known as isotopes.
• The difference in the mass is due to the difference in their number of neutrons with the same number of electrons and protons.

Explanation

The sum-to-product identity for cosine states that:

cos(θ) + cos(n) = 2cos((θ+n)/2)cos((θ-n)/2)

This is a fundamental identity in trigonometry, and it is used to simplify expressions involving sums of cosine functions.

Explanation

The odd one out is B.Tech, as it typically refers to a Bachelor of Technology degree, which is not directly related to the field of education.

The other options (PTC, CT, B.Ed) are all related to teacher training or education degrees.

Explanation

• Lahore is located on the bank of Ravi river. 
• Lahore is the capital of the Pakistani province of Punjab.
• Pakistan's 2nd largest city after Karachi.
•  26th largest city in the world.
• ****

Explanation

The speed of sound is the distance travelled per unit time by a sound wave as it propagates through an elastic medium.

The speed of sound is 343.2 metres per second.

Explanation

Uranium-235 is used in nuclear power plants for power generation.

 The uranium is processed into small ceramic pellets and stacked together into sealed metal tubes called fuel rods.

Explanation

Shift + Delete is used to delete the selected item permanently without placing the item in the Recycle Bin.

Explanation

apple, orange, and pomegranate are fruits

but carrot is a vegetable

Explanation

 A mechanic sees the machine.

Similarly, a doctor sees the patient.

ND18-9-2023