Explanation

Vitamin B12 is a nutrient that helps keep the body's nerve and blood cells healthy and helps make DNA, the genetic material in all cells. Vitamin B12 also helps prevent a type of anemia called Megaloblastic Anemia that makes people tired and weak 

Explanation

Scurvy is a state of dietary deficiency of vitamin C (ascorbic acid).

The human body lacks the ability to synthesize and make vitamin C

Depends on exogenous dietary sources to meet vitamin C needs. 

Explanation

The loss of water vapor to the atmosphere through stomata is a passive process, meaning that metabolic energy in the form of ATP is not required for water movement.

The energy driving transpiration is the difference in energy between the water in the soil and the water in the atmosphere.

Explanation

Water has a maximum density of 4 degrees Celsius.

while

Water freezes at 0 degrees Celsius and 32 degrees Fahrenheit.

Explanation

B-complex vitamins and vitamin C are water-soluble vitamins that are not stored in the body and must be replaced each day.

These vitamins are easily destroyed or washed out during food storage and preparation.

Explanation

The first open-heart surgery in India was performed on February 16, 1961

By Dr. K.N. Dastur at BYL Nair Hospital in Mumbai.

He used a heart-lung machine developed with the help of engineers at the National Steel Company.

The surgery was performed on a 19-year-old girl named Hemlata 

Explanation

Benzene is an organic compound.

Molecular formula C3H3.

A benzene molecule is composed of six carbon atoms connected to a planar ring, each with a hydrogen atom.

Benzene is classified as a hydrocarbon because it contains only carbon and hydrogen atoms.

Empirical  Formula: C6H6

Explanation

Mangrove swamps serve all the following function

1.       Erosion protection for the coastline,

2.       Prevention of Typhoid and hurricane damage,

3.       Entrapment of sediment washed off land,

4.       Nursery for many aquatic organisms,

gf

Explanation

The stamen is the male reproductive organ.

It consists of a pollen anther and a long supporting filament.

Explanation

The sartorius muscle is a thin, long, superficial muscle in the anterior compartment of the thigh.