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