No. of questions -40
Time - 20 min
Negative marking : -0.25 mark
1.
Which one of the following vitamins is essential for coagulation of blood?
2.
Which fibre is used for making bristles of brushes.
3.
Which one of the following diseases caused through the wound or injury or surfaces of unsterilized surgical instruments?
4.
The increasing amount of carbon dioxide in the air is slowly raising, the temperture of the atmosphere, because it absorbs-
5.
Deficiency of which one of the following causes xeroph-thalmia-
6.
Which of the following could be used as fuel in propellant of Rockets?
7.
Which one of the following is a Natural Polymer?
8.
Acid rain is caused due to emission of which of the following into the atmosphere?
9.
Barbituric acid and its derivatives are well known as-
10.
In chemistry, soap is a salt of a ............
11.
Which of the following is used as raw material for the manufacture of rayon?
12.
The water pollution in river is measured by the dissolved amount of-
13.
What is the full form of PVC?
14.
The gas which is present in both the natural gas and the bio-gas is-
15.
The sugar which is not a disaccharide
16.
Which one of the following is a synthetic polymer?
17.
Which of the following is related to the discovery of Nylon?
18.
Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?
20.
Which among the following is false about natural rubber
21.
Wax used for making candles is chemically a mixture of-
22.
The increasing abundance of green house gases in atmosphere has led to the following effect except-
23.
Which of the following element is used for vulcanisation of rubber?
24.
............. fibre is used in making bullet proof vests.
25.
Consider the following-
1. Nucleic acids
2. Carbohydrates
3. Proteins
A virus is made up of which of the above-Deselect Answer
26.
Which among the following is a petroleum wax?
27.
What is the bond between two amino acids in a protein called?
28.
Yeast is an important source of-
29.
The helical structure of protein is stabilized by
30.
The alkaloid naturally found in coffee, cocoa and colanut is
31.
Which is widely used in the plastic industry for manufacturing Bakelite?
32.
Which one of the following is non-reducing sugar?
33.
Deficiency of which vitamin results in inflammation of skin and eczema along with diarrhoea?
34.
The brand name Teflon represents which polymer?
35.
Bakelite is a polymer of Phenol and
36.
Physico-chemical characteristics of water in water sources undergo changes due to-
37.
Glycogen, Cellulose and starch are the polymers of-
38.
Petroleum is a mixture of-
39.
Plastic bottles are made of a polymer called PET. The expanded form of PET is
