No. of questions -40
Time - 20 min
Negative marking : -0.25 mark
1.
The helical structure of protein is stabilized by
2.
Which of the following is related to the discovery of Nylon?
3.
Which one of the following vitamins is essential for coagulation of blood?
4.
The increasing abundance of green house gases in atmosphere has led to the following effect except-
5.
Which among the following is false about natural rubber
6.
Which fibre is used for making bristles of brushes.
7.
Glycogen, Cellulose and starch are the polymers of-
8.
The sugar which is not a disaccharide
9.
Barbituric acid and its derivatives are well known as-
10.
Which among the following is a petroleum wax?
11.
What is the bond between two amino acids in a protein called?
12.
Which is widely used in the plastic industry for manufacturing Bakelite?
13.
Yeast is an important source of-
15.
Which of the following is used as raw material for the manufacture of rayon?
16.
Plastic bottles are made of a polymer called PET. The expanded form of PET is
17.
The increasing amount of carbon dioxide in the air is slowly raising, the temperture of the atmosphere, because it absorbs-
18.
The gas which is present in both the natural gas and the bio-gas is-
19.
Wax used for making candles is chemically a mixture of-
20.
Which one of the following diseases caused through the wound or injury or surfaces of unsterilized surgical instruments?
21.
What is the full form of PVC?
22.
............. fibre is used in making bullet proof vests.
23.
Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?
24.
Which one of the following is non-reducing sugar?
25.
Which one of the following is a synthetic polymer?
26.
Which of the following element is used for vulcanisation of rubber?
27.
Deficiency of which one of the following causes xeroph-thalmia-
28.
Bakelite is a polymer of Phenol and
29.
The alkaloid naturally found in coffee, cocoa and colanut is
30.
Petroleum is a mixture of-
31.
Deficiency of which vitamin results in inflammation of skin and eczema along with diarrhoea?
32.
Consider the following-
1. Nucleic acids
2. Carbohydrates
3. Proteins
A virus is made up of which of the above-Deselect Answer
33.
Acid rain is caused due to emission of which of the following into the atmosphere?
34.
The brand name Teflon represents which polymer?
36.
The water pollution in river is measured by the dissolved amount of-
37.
Which one of the following is a Natural Polymer?
38.
Physico-chemical characteristics of water in water sources undergo changes due to-
39.
Which of the following could be used as fuel in propellant of Rockets?
40.
In chemistry, soap is a salt of a ............
