WorksheetsGeneral Quiz 17.09.2020
Total questions: 11
Worksheet time: 6mins
Which one of the following is not a chemical change ?
Burning of coal in air
Fermentation of sugarcane juice
Cracking of petroleum
Crystallization of table salt from sea water
Yellow Vein Mosaic is a serious disease of
Brinjal
Okra
Pea
Cabbage
Dolomite powder is applied in some agricultural lands. The purpose of applying it is to
Increase the pH of the soil
Lower the pH of the soil
Increase the phosphorus content of the soil
Increase the nitrogen content of the soil
Black soils is ideal for cultivation of cotton as
its colour is black
it can retain moisture
it is made up of lava
it is found on plateau regions
How many steps do you need to climb and reach the main seminar hall?
5
30
45
70
Leaf Curl disease in Okra(Lady finger) is caused by
White fly
Fungus
Bacteria
Virus
What is the source of energy in Ecosystem?
Solar radiation
Cosmic radiation
Geothermal energy
All of these
Which one of the following is estimated by the radio carbon dating?
Age of the human being
Age of the fossils
Disease of the human body
Purity of the metals
Which one of the following is not a component of conducting tissue in plants?
Fibres
Tracheids
Pericycle
Sieve tubes
Select the correct non-renewable source of energy
Hydel
Thermal
Solar
Wind power
Scientists estimate Earth's average albedo rate is about
35%
60%
30%
70%
