Explanation

The ribosome is a complex molecule made of ribosomal RNA molecules and proteins that form a factory for protein synthesis in cells.

Explanation

• The speed of sound is slower in denser media.
• Solids are denser than gases. However, they are also very rigid, and hence sound travels faster in solids.
• Stress on the fact that the speed of sound always depends on a combination of these two properties of any medium.

Explanation

Instead of nostrils, insects breathe through openings in the thorax and abdomen called spiracles.

Insects that are diapausing or non-mobile have low metabolic rates and need to take in less oxygen.

Insects exchange oxygen and carbon dioxide through spiracles (noted by circle)

Explanation

John Logie Baird, a Scottish inventor, is best known for inventing the world's first working television system in the 1920s.

He revolutionizing communication and entertainment.

Explanation

Weight of the adult men brain $=49$ ounces
So, $49$ ounces
$=\frac{49}{16}$  pounds
$=3.0625$ pounds
Therefore, the weight in pounds is $3.0625$.

Explanation

Albert Einstein, a renowned physicist, revolutionized physics with his theory of relativity.

He made significant contributions to mathematics and philosophy as well.

Einstein is celebrated as one of the most influential physicists of the 20th century.

It notably publishing four landmark papers in 1905.

Explanation

Tiger, (Panthera tigris), the largest member of the cat family (Felidae)

while

The rusty-spotted cat (Prionailurus rubiginosus) is one of the cat family's smallest members

ND5-07-2023

Explanation

The acceleration due to gravity is 9.8 m/s² downward.

This force acts on the ball throughout its motion.

This pulling it back to the ground after it is thrown upwards.

Explanation

Dengue viruses are spread to people through the bites of infected Aedes species mosquitoes

The mosquito becomes infected when it takes the blood of a person infected with the virus.

After about one week, the mosquito can then transmit the virus while biting a healthy person.24

Explanation

Gamma rays have the highest penetrating power among these particles.

Due to their lack of mass and charge.

It allowing them to pass through most materials.