No. of questions -40
Time - 20 min
Negative marking : -0.25 mark
1.
Which one of the following is non-reducing sugar?
2.
Which among the following is a petroleum wax?
3.
Which is widely used in the plastic industry for manufacturing Bakelite?
4.
The alkaloid naturally found in coffee, cocoa and colanut is
5.
The brand name Teflon represents which polymer?
6.
Petroleum is a mixture of-
7.
Which among the following is false about natural rubber
8.
The gas which is present in both the natural gas and the bio-gas is-
9.
Which of the following element is used for vulcanisation of rubber?
10.
Which of the following is related to the discovery of Nylon?
11.
Consider the following-
1. Nucleic acids
2. Carbohydrates
3. Proteins
A virus is made up of which of the above-Deselect Answer
12.
The helical structure of protein is stabilized by
13.
Which one of the following vitamins is essential for coagulation of blood?
14.
Barbituric acid and its derivatives are well known as-
15.
Which one of the following is a Natural Polymer?
16.
Deficiency of which vitamin results in inflammation of skin and eczema along with diarrhoea?
17.
Physico-chemical characteristics of water in water sources undergo changes due to-
18.
What is the full form of PVC?
19.
Which of the following could be used as fuel in propellant of Rockets?
20.
Acid rain is caused due to emission of which of the following into the atmosphere?
21.
The sugar which is not a disaccharide
23.
Yeast is an important source of-
24.
Glycogen, Cellulose and starch are the polymers of-
25.
Bakelite is a polymer of Phenol and
26.
............. fibre is used in making bullet proof vests.
27.
Which fibre is used for making bristles of brushes.
28.
Which of the following is used as raw material for the manufacture of rayon?
29.
Which one of the following is a synthetic polymer?
30.
Which one of the following diseases caused through the wound or injury or surfaces of unsterilized surgical instruments?
31.
The increasing abundance of green house gases in atmosphere has led to the following effect except-
32.
Deficiency of which one of the following causes xeroph-thalmia-
33.
Plastic bottles are made of a polymer called PET. The expanded form of PET is
34.
The water pollution in river is measured by the dissolved amount of-
35.
Which one of the following sets of elements was primarily responsible for the origin of life on the Earth?
37.
In chemistry, soap is a salt of a ............
38.
What is the bond between two amino acids in a protein called?
39.
Wax used for making candles is chemically a mixture of-
40.
The increasing amount of carbon dioxide in the air is slowly raising, the temperture of the atmosphere, because it absorbs-
