Explanation

The hertz is the unit of frequency of one cycle per second. 

 symbol: hertz (Hz)

Hertz in honor of the German physicist Heinrich Hertz

hertz in the International System of Units (SI)

frequency is defined as one cycle per second

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Explanation

A biconvex lens is the type of lens found in the human eye,

and it is responsible for forming genuine images

The lens, or crystalline lens, is a transparent biconvex

structure in most land vertebrate eyes (We are all vertebrates)

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The image formed at the retina of the human eye is real and inverted.

ND-8-08-2023

Explanation

Carbon dioxide (CO₂) is commonly used in fire extinguishers because it helps to displace oxygen and smother the fire, preventing it from spreading.

It is particularly effective for electrical fires and fires involving flammable liquids.

Explanation

Entomology is the study of insects and their relationship to humans, the environment, and other organisms.

while

Zoology is the study of all animals.

Biology is a natural science concerned with the study of life and living organisms.

Etymology investigates and documents the lives.

Explanation

The number of bones in a human skull is 22

The human skull is generally considered to consist of twenty-two bones

• eight cranial bones
• fourteen facial skeleton bones

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while

300 bones are there in a newborn infant.

The human hand has 27 bones

Explanation

• The M-14 Motorway, also known as the Islamabad–Dera Ismail Khan Motorway or Hakla–Yarik Motorway.
• It is a four-lane north-south motorway in Pakistan.
• It spans 285 km (177 mi) and has been operational since January 5, 2022.
• The motorway features 11 interchanges, 36 bridges, 33 flyovers, and 119 underpasses.

Explanation

Venus

Eight planets in the solar system

Explanation

Lipid-rich components of bacterial cells present in the bacterial membrane.

Bacterial membranes present a large diversity of amphiphilic lipids.

Explanation

Most abundant element in Earth crust is Oxygen.

Oxygen in the crust is (46.1%).

The chemical formula of oxygen (dioxygen) is O2.

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List of 10 Most Abundant Elements in the Earth's Crust

Explanation

Lack of insulin causes diabetes.

Diabetes is a condition that happens when your blood sugar (glucose) is too high.

It develops when your pancreas doesn't make enough insulin.