No. of questions -40
Time - 20 min
Negative marking : -0.25 mark
1.
What is the bond between two amino acids in a protein called?
3.
Which one of the following vitamins is essential for coagulation of blood?
4.
Deficiency of which one of the following causes xeroph-thalmia-
5.
Which of the following is related to the discovery of Nylon?
6.
Which of the following is used as raw material for the manufacture of rayon?
7.
Which among the following is false about natural rubber
8.
The increasing amount of carbon dioxide in the air is slowly raising, the temperture of the atmosphere, because it absorbs-
9.
Which one of the following diseases caused through the wound or injury or surfaces of unsterilized surgical instruments?
10.
Which among the following is a petroleum wax?
11.
Acid rain is caused due to emission of which of the following into the atmosphere?
12.
Yeast is an important source of-
13.
Which one of the following is non-reducing sugar?
14.
Which fibre is used for making bristles of brushes.
15.
Petroleum is a mixture of-
16.
Which one of the following is a Natural Polymer?
17.
In chemistry, soap is a salt of a ............
18.
The gas which is present in both the natural gas and the bio-gas is-
19.
............. fibre is used in making bullet proof vests.
20.
Consider the following-
1. Nucleic acids
2. Carbohydrates
3. Proteins
A virus is made up of which of the above-Deselect Answer
21.
Bakelite is a polymer of Phenol and
22.
The alkaloid naturally found in coffee, cocoa and colanut is
23.
The brand name Teflon represents which polymer?
24.
Physico-chemical characteristics of water in water sources undergo changes due to-
25.
Which is widely used in the plastic industry for manufacturing Bakelite?
26.
Barbituric acid and its derivatives are well known as-
27.
The helical structure of protein is stabilized by
28.
Glycogen, Cellulose and starch are the polymers of-
29.
Which of the following could be used as fuel in propellant of Rockets?
30.
The sugar which is not a disaccharide
31.
Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?
32.
Deficiency of which vitamin results in inflammation of skin and eczema along with diarrhoea?
33.
Wax used for making candles is chemically a mixture of-
34.
Which one of the following is a synthetic polymer?
35.
The increasing abundance of green house gases in atmosphere has led to the following effect except-
36.
The water pollution in river is measured by the dissolved amount of-
37.
Plastic bottles are made of a polymer called PET. The expanded form of PET is
39.
What is the full form of PVC?
40.
Which of the following element is used for vulcanisation of rubber?
