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.
Accumulation of non-biodegradable pesticides in the food chain in increasing amount at each higher trophic level is known as
eutrophication
pollution
biomagnification
accumulation
2.
In the given food chain, suppose the amount of energy at fourth trophic level is 5 kJ, what will be the energy available at the producer level?
Grass\(\longrightarrow\)Grasshopper\(\longrightarrow\)Frog\(\longrightarrow\)Snake\(\longrightarrow\)Hawk
5 kJ
50 kJ
500 kJ
5000 kJ
3.
An ecosystem includes
All living organisms
Non-living objects
Both living organisms and non-living objects
Sometimes living organisms and sometimes non-living objects
4.
In a food chain, the third trophic level is always occupied by
Carnivores
Herbivores
Decomposers
Producers
5.
Which one of the following is an artificial ecosystem?
Pond
Crop field
Lake
Forest
1.
(c)
biomagnification
2.
(d)
5000 kJ
3.
(c)
Both living organisms and non-living objects
4.
(a)
Carnivores
5.
(b)
Crop field
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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