No. of questions -40
Time - 20 min
Negative marking : -0.25 mark
1.
The water pollution in river is measured by the dissolved amount of-
2.
Which one of the following is a Natural Polymer?
3.
The increasing abundance of green house gases in atmosphere has led to the following effect except-
4.
The brand name Teflon represents which polymer?
5.
Which among the following is a petroleum wax?
6.
Barbituric acid and its derivatives are well known as-
7.
Which among the following is false about natural rubber
8.
Deficiency of which one of the following causes xeroph-thalmia-
9.
Which one of the following is a synthetic polymer?
10.
The alkaloid naturally found in coffee, cocoa and colanut is
11.
Which one of the following vitamins is essential for coagulation of blood?
12.
What is the bond between two amino acids in a protein called?
13.
Deficiency of which vitamin results in inflammation of skin and eczema along with diarrhoea?
14.
The helical structure of protein is stabilized by
15.
............. fibre is used in making bullet proof vests.
16.
Which one of the following diseases caused through the wound or injury or surfaces of unsterilized surgical instruments?
17.
Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?
18.
Which fibre is used for making bristles of brushes.
19.
Plastic bottles are made of a polymer called PET. The expanded form of PET is
20.
Which one of the following is non-reducing sugar?
21.
Which of the following element is used for vulcanisation of rubber?
23.
Physico-chemical characteristics of water in water sources undergo changes due to-
24.
Glycogen, Cellulose and starch are the polymers of-
25.
Acid rain is caused due to emission of which of the following into the atmosphere?
26.
The sugar which is not a disaccharide
27.
Consider the following-
1. Nucleic acids
2. Carbohydrates
3. Proteins
A virus is made up of which of the above-Deselect Answer
28.
In chemistry, soap is a salt of a ............
29.
The gas which is present in both the natural gas and the bio-gas is-
30.
Which of the following is used as raw material for the manufacture of rayon?
31.
Wax used for making candles is chemically a mixture of-
32.
Bakelite is a polymer of Phenol and
33.
Which of the following is related to the discovery of Nylon?
34.
The increasing amount of carbon dioxide in the air is slowly raising, the temperture of the atmosphere, because it absorbs-
36.
Petroleum is a mixture of-
37.
What is the full form of PVC?
38.
Which is widely used in the plastic industry for manufacturing Bakelite?
39.
Yeast is an important source of-
40.
Which of the following could be used as fuel in propellant of Rockets?
