No. of questions -40
Time - 20 min
Negative marking : -0.25 mark
1.
Which one of the following is a Natural Polymer?
2.
The increasing abundance of green house gases in atmosphere has led to the following effect except-
3.
Bakelite is a polymer of Phenol and
4.
The increasing amount of carbon dioxide in the air is slowly raising, the temperture of the atmosphere, because it absorbs-
5.
Barbituric acid and its derivatives are well known as-
6.
Which one of the following diseases caused through the wound or injury or surfaces of unsterilized surgical instruments?
7.
Physico-chemical characteristics of water in water sources undergo changes due to-
8.
The brand name Teflon represents which polymer?
9.
Which among the following is false about natural rubber
11.
Which is widely used in the plastic industry for manufacturing Bakelite?
12.
Which of the following could be used as fuel in propellant of Rockets?
13.
What is the full form of PVC?
14.
Which of the following is used as raw material for the manufacture of rayon?
15.
In chemistry, soap is a salt of a ............
16.
Petroleum is a mixture of-
17.
The gas which is present in both the natural gas and the bio-gas is-
18.
Acid rain is caused due to emission of which of the following into the atmosphere?
19.
Which of the following is related to the discovery of Nylon?
20.
Deficiency of which vitamin results in inflammation of skin and eczema along with diarrhoea?
21.
Which one of the following vitamins is essential for coagulation of blood?
22.
The water pollution in river is measured by the dissolved amount of-
23.
Glycogen, Cellulose and starch are the polymers of-
24.
Yeast is an important source of-
25.
Which among the following is a petroleum wax?
26.
The helical structure of protein is stabilized by
27.
The alkaloid naturally found in coffee, cocoa and colanut is
29.
Which fibre is used for making bristles of brushes.
30.
Deficiency of which one of the following causes xeroph-thalmia-
31.
Which one of the following is a synthetic polymer?
32.
Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?
33.
The sugar which is not a disaccharide
34.
What is the bond between two amino acids in a protein called?
35.
Consider the following-
1. Nucleic acids
2. Carbohydrates
3. Proteins
A virus is made up of which of the above-Deselect Answer
36.
............. fibre is used in making bullet proof vests.
37.
Plastic bottles are made of a polymer called PET. The expanded form of PET is
38.
Which one of the following is non-reducing sugar?
39.
Which of the following element is used for vulcanisation of rubber?
40.
Wax used for making candles is chemically a mixture of-
