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