No. of questions -40
Time - 20 min
Negative marking : -0.25 mark
1.
Which is widely used in the plastic industry for manufacturing Bakelite?
3.
Barbituric acid and its derivatives are well known as-
4.
The brand name Teflon represents which polymer?
5.
Which of the following element is used for vulcanisation of rubber?
6.
Consider the following-
1. Nucleic acids
2. Carbohydrates
3. Proteins
A virus is made up of which of the above-Deselect Answer
7.
Petroleum is a mixture of-
8.
Which of the following could be used as fuel in propellant of Rockets?
9.
Which among the following is a petroleum wax?
10.
The helical structure of protein is stabilized by
11.
Which one of the following diseases caused through the wound or injury or surfaces of unsterilized surgical instruments?
12.
Yeast is an important source of-
13.
Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?
14.
............. fibre is used in making bullet proof vests.
15.
Physico-chemical characteristics of water in water sources undergo changes due to-
16.
Which among the following is false about natural rubber
17.
The increasing amount of carbon dioxide in the air is slowly raising, the temperture of the atmosphere, because it absorbs-
18.
The alkaloid naturally found in coffee, cocoa and colanut is
19.
The increasing abundance of green house gases in atmosphere has led to the following effect except-
20.
What is the bond between two amino acids in a protein called?
21.
The gas which is present in both the natural gas and the bio-gas is-
22.
Which one of the following is a Natural Polymer?
23.
Which of the following is related to the discovery of Nylon?
24.
Glycogen, Cellulose and starch are the polymers of-
25.
Which of the following is used as raw material for the manufacture of rayon?
26.
Wax used for making candles is chemically a mixture of-
27.
Which fibre is used for making bristles of brushes.
28.
Bakelite is a polymer of Phenol and
29.
The sugar which is not a disaccharide
30.
Which one of the following is a synthetic polymer?
31.
Which one of the following is non-reducing sugar?
32.
The water pollution in river is measured by the dissolved amount of-
33.
Deficiency of which one of the following causes xeroph-thalmia-
34.
Plastic bottles are made of a polymer called PET. The expanded form of PET is
35.
In chemistry, soap is a salt of a ............
37.
What is the full form of PVC?
38.
Acid rain is caused due to emission of which of the following into the atmosphere?
39.
Which one of the following vitamins is essential for coagulation of blood?
40.
Deficiency of which vitamin results in inflammation of skin and eczema along with diarrhoea?
