10th Standard CBSE Syllabus & Materials
10th Standard CBSE
CBSE 10th Social Science ECO - Globalisation and the Indian Economy - New Model Questions Papers Study Material - QB365 Set A
NEW10th Standard CBSE
CBSE 10th Social Science ECO - Money and Credit - New Model Questions Papers Study Material - QB365 Set A
NEW10th Standard CBSE
CBSE 10th Social Science ECO - Sectors of the Indian Economy - New Model Questions Papers Study Material - QB365 Set A
NEW10th Standard CBSE
CBSE 10th Social Science ECO - Development - New Model Questions Papers Study Material - QB365 Set A
NEW10th Standard CBSE
CBSE 10th Social Science PS - Outcomes of Democracy - New Model Questions Papers Study Material - QB365 Set A
NEW10th Standard CBSE
CBSE 10th Social Science PS - Gender, Religion and Caste - New Model Questions Papers Study Material - QB365 Set A
Published on: 26/05/2021
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Download CBSE Class 10th Standard CBSE Science question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 10th Standard CBSE Science
Questions + Answers key
Take MCQ Science Test1.
The pH of water sample collected from a river was found to be acidic in the range of 3.5 - 4.5, on the banks of the river were several factories that were discharging effluents into the river. The effluents of which one of the following factories is the most likely cause for lowering the pH of river water?
Soap and detergent factory
Lead battery manufacturing factory
Plastic cup manufacturing factory
Alcohol distillery
2.
The main cause for abundant coliform bacteria in the river Ganga is
disposal of unburnt corpses into water
discharge of effluents from electroplating industries
washing of clothes
immersion of ashes
3.
The most appropriate definition of a natural resource is that it is a substance/ commodity that is
present only on land
a gift of nature which is very useful to mankind
a man-made substance placed in nature
available only in the forest
4.
The most rapidly dwindling natural resource in the world is
water
forests
wind
sunlight
5.
From the list given below pick the item that is not a natural resource
Soil
Water
Electricity
Air
1.
(b)
Lead battery manufacturing factory
2.
(a)
disposal of unburnt corpses into water
3.
(b)
a gift of nature which is very useful to mankind
4.
(b)
forests
5.
(c)
Electricity
10th Standard CBSE Syllabus & Materials
10th Standard CBSE
CBSE 10th Social Science PS - Federalism - New Model Questions Papers Study Material - QB365 Set A
NEW10th Standard CBSE
CBSE 10th Social Science PS - Power Sharing - New Model Questions Papers Study Material - QB365 Set A
NEW10th Standard CBSE
CBSE 10th Social Science GEO - Manufacturing Industries - New Model Questions Papers Study Material - QB365 Set A
NEW10th Standard CBSE
CBSE 10th Social Science GEO - Minerals and Energy Resources - New Model Questions Papers Study Material - QB365 Set A
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