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
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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.
Some dinosaurs had feathers although they could not fly but birds have feathers that help them to fly. In the context of evolution this means that
reptiles have evolved from birds
there is no evolutionary connection between reptiles and birds
feathers are homologous structures in both the organisms
birds have evolved from reptiles.
2.
The theory of evolution of species by natural selection was given by
Mendel
Darwin
Morgan
Lamarck
3.
The number of pair (s) of sex chromosomes in the zygote of humans is
one
two
three
four
4.
In peas, a pure tall plant (TT) is crossed with a short plant (tt). The ratio of pure tall plants to short plants in F2 is
1 : 3
3 : 1
1 : 1
2 : 1
5.
The two versions of a trait (character) which are brought in by the male and female gametes are situated on
copies of the same chromosome
two different chromosomes
sex chromosomes
any chromosome
1.
(d)
birds have evolved from reptiles.
2.
(b)
Darwin
3.
(a)
one
4.
(c)
1 : 1
5.
(a)
copies of the same chromosome
10th Standard CBSE Syllabus & Materials
10th Standard CBSE
CBSE 10th Social Science PS - Federalism - New Model Questions Papers Study Material - QB365 Set A
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CBSE 10th Social Science PS - Power Sharing - New Model Questions Papers Study Material - QB365 Set A
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CBSE 10th Social Science GEO - Minerals and Energy Resources - New Model Questions Papers Study Material - QB365 Set A
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