LDC QUESTIONS 20

Total number of bones in the human body
206

Hardest substance in the human body
Tooth enamel

Which blood group is called as universal donor?
A group

What causes Pneumonia?
Bacteria

Which disease affects in Pancreas?
Diabetes

Which disease is caused by the bite of a mad dog?
Hydrophobia

Which Vitamin is essential for the formation of red blood cell?
Folic Acid

The scientists who discovered the structure of DNA
A. D. Watson and F,H..C. Crick

The name of the tissue is present in the eye that is highly sensitive to colors
Cone Cells

The instrument used for RBC counting
Haemocyato Meter

The cell organ that helps in the synthesis of proteins
Ribosome .

Which gland is called 'The chemical factory of the body'?
Liver

The membrane that covers the lungs
Pleura

The red coloured pigment of blood, which accepts oxygen
Hemoglobin

Tiger belongs to the family of
Cat

A substance that radiates light when heated is called
Incandescent

Fishes breath through
Gills

In onion food is stored in the form of ?
Cellulose

Which is known as the "prince of species" ?
Vanilla

Which is the first hormone prepared by' genetic engineering? .
Insulin

Tachometer is a device used to measure
Revolutions per minute

Which chemicals used to remove acidity in stomach?
Magnesium hydroxide.

Pure water is obtained from seawater by the process called
Distillation

The unit used to measure the energy in food
Calorie

who prepared soda water for the first time?
Joseph Priestly

Which is ,the important Carbohydrate present in plants?
Starch

Which was the first metal made by man?
Copper

Tibia bone is present in which part of our body
Leg

Contact lenses are made from?
Polymethyl Methacrylate

Name the lens used to correct Astigmatism
Cylindrical lens

Which is known as animal starch
Glycogen'

Which is the edible portion of a mango?
Mesocarp

Which is the heaviest of the solar system? .
The Sun

Development of an egg without fertilization is called
Parthenogenesis

The acid present in Vinegar
Acetic acid

Which is the. metal used in Aircrafts ?
Titanium

The best conductor of electricity
Silver

The Process of coating of Iron with Zi':1c
Galvanization

Leptospira the Pathogen, causing ?
Wails disease

A substance poisonous to an organism is called
Toxin

Which is the most common mineral ?
Silica

Name of the ester present in Orange
Octyl acetate

What is the botanical name of beetroot?
Beta Vulgaris

Name the pigment responsible for the red colour of Tomato :
Anthocyanin

An animal that conserves water for a very long time
Kangaroo Rat

Give the Chemical name of Styrene?
Vinyl Benzene.

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