No. of questions -40
Time - 20 min
Negative marking : -0.25 mark
1.
The gas which is present in both the natural gas and the bio-gas is-
2.
Which one of the following is a Natural Polymer?
3.
Which among the following is false about natural rubber
4.
Consider the following-
1. Nucleic acids
2. Carbohydrates
3. Proteins
A virus is made up of which of the above-Deselect Answer
5.
Which fibre is used for making bristles of brushes.
6.
The sugar which is not a disaccharide
7.
Which one of the following is a synthetic polymer?
8.
Bakelite is a polymer of Phenol and
9.
Which one of the following diseases caused through the wound or injury or surfaces of unsterilized surgical instruments?
10.
Which of the following is used as raw material for the manufacture of rayon?
11.
Petroleum is a mixture of-
12.
Which is widely used in the plastic industry for manufacturing Bakelite?
13.
Which of the following element is used for vulcanisation of rubber?
14.
Physico-chemical characteristics of water in water sources undergo changes due to-
15.
Which one of the following is non-reducing sugar?
16.
Barbituric acid and its derivatives are well known as-
17.
Acid rain is caused due to emission of which of the following into the atmosphere?
18.
The increasing amount of carbon dioxide in the air is slowly raising, the temperture of the atmosphere, because it absorbs-
19.
The increasing abundance of green house gases in atmosphere has led to the following effect except-
20.
Wax used for making candles is chemically a mixture of-
21.
The alkaloid naturally found in coffee, cocoa and colanut is
22.
Plastic bottles are made of a polymer called PET. The expanded form of PET is
23.
What is the bond between two amino acids in a protein called?
24.
In chemistry, soap is a salt of a ............
25.
Which among the following is a petroleum wax?
26.
............. fibre is used in making bullet proof vests.
27.
Deficiency of which vitamin results in inflammation of skin and eczema along with diarrhoea?
28.
Glycogen, Cellulose and starch are the polymers of-
29.
Which one of the following vitamins is essential for coagulation of blood?
30.
Deficiency of which one of the following causes xeroph-thalmia-
31.
Yeast is an important source of-
32.
The helical structure of protein is stabilized by
33.
Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?
35.
Which of the following is related to the discovery of Nylon?
36.
What is the full form of PVC?
38.
The brand name Teflon represents which polymer?
39.
Which of the following could be used as fuel in propellant of Rockets?
40.
The water pollution in river is measured by the dissolved amount of-
