Explanation

Svedberg (Sv):

A unit measuring the sedimentation coefficient (how fast particles settle in a centrifuge).

Used in ultracentrifugation to study macromolecules (e.g., proteins, ribosomes).

1 Sv = 10⁻¹³ seconds.

Explanation

Trees as Environmental Buffers:

Climate Regulation: Absorb CO₂, release O₂, and moderate temperatures.

Soil Protection: Prevent erosion and maintain soil health.

Water Cycle: Help in groundwater recharge and reduce flooding.

Explanation

The main idea of the solar system was proposed by the Polish astronomer Nicolaus Copernicus (1473-1543).

who said that "the Sun is the centre of the Universe" and made the planets move around it in perfect circles

(in his book entitled, "On the Revolution of the Celestial Spheres", written in Latin and published in 1543)

Explanation

Natural Sources of Vitamin D:

Fatty Fish: Salmon, mackerel (richest sources).

Animal Products: Egg yolks, liver, butter, and fortified dairy.

Explanation

Two Protective Layers:

Renal Capsule: The inner layer, a tough fibrous membrane directly covering the kidney.

Adipose Capsule: The outer layer, a fatty cushion that protects against physical shock.

Explanation

Antonie van Leeuwenhoek is credited with the discovery of bacteria.

In 1676, using a primitive microscope, he observed and described microorganisms.

Including bacteria and protozoa, which he referred to as "animalcules".

Explanation

Eggs are considered a complete protein source,

They contain all the essential amino acids needed by the human body

A single egg can provide around 6-7 grams of protein. 

Banana:

A medium banana contains approximately 1 gram of protein. 

Apple:

Apples are very low in protein, containing only about 0.5 grams per serving. 

Cucumber:

Cucumbers are also extremely low in protein, with only around 0.3 grams per serving

Explanation

 Lordosis refers to an excessive inward curvature of the lower spine, commonly known as "hollow back" or "swayback".

Explanation

A marsupium, or pouch, is a specialized structure in marsupials (like kangaroos, koalas, and opossums)

where the young are carried and continue to develop after birth.

Rearing the young ones:

The pouch provides protection and warmth, ensuring the young can continue their development after birth.

Feeding the young ones:

The young have access to the mother's milk while in the pouch.

Explanation

 Bamboo is the fastest-growing plant in the world. 

Some species can grow up to 91 cm (about 35 inches) in a single day under optimal conditions

Most  eucalyptus trees grow much faster than other trees

Some eucalyptus species can grow 6 to 12 feet per year.