LDC 1

1.Which is the. metal used in Aircrafts ?
Titanium

2.The best conductor of electricity
Silver

3.The Process of coating of Iron with Zinc
Galvanization

4.The membrane that covers the lungs
Pleura

5.The instrument used for RBC counting
Haemocyato Meter

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

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

8.The red coloured pigment of blood, which accepts oxygen
Hemoglobin

9.Tiger belongs to the family of
Cat

10.A substance that radiates light when heated is called
Incandescent

11.Fishes breath through
Gills

12.In onion food is stored in the form of ?
Cellulose

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

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

15.Tachometer is a device used to measure
Revolutions per minute'

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

17.Pure water is obtained from seawater by the process called
Distillation

18.The unit used to measure the energy in food
Calorie

19.who prepared soda water for the first time?
Joseph Priestly

20.Which is ,the important Carbohydrate present in plants?
Starch

21.Which was the first metal made by man?
Copper

22.Tibia bone is present in which part of our body
Leg

23.Contact lenses are made from?
Polymethyl Methacrylate

24.Name the lens used to correct Astigmatism
Cylindrical lens

25.Which is known as animal starch
Glycogen'

26.Which is the edible portion of a mango?
Mesocarp

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

28.Development of an egg without fertilization is called
Parthenogenesis

29.The acid present in Vinegar
Acetic acid

30.Leptospira the Pathogen, causing ?
Wails disease

31.A substance poisonous to an organism is called
Toxin

32.Which is the most common mineral ?
Silica

33.Name of the ester present in Orange
Octyl acetate