Basic Principles of Inheritance — Practice Quiz
CBSE · Class 11 · Biotechnology
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0/4Tap an answer to check it instantly. No sign-up needed for these 4.
What does heredity mean in biology?
What is genetics the study of?
Why were pea plants selected by Mendel for breeding experiments?
How many pairs of contrasting characters did Mendel select for his experiments?
Sample Questions
Which trait is dominant in the monohybrid cross between tall and dwarf pea plants?
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Tall
In this cross, tall is dominant over dwarf.
Which genotype ratio is found in the F2 generation of a monohybrid cross?
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1:2:1
The genotypic ratio in the F2 generation of a monohybrid cross is 1:2:1.
What is the phenotypic ratio in the F2 generation of a monohybrid cross between tall and dwarf plants?
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3:1
The F2 phenotypic ratio is 3 tall : 1 dwarf.
What is a test cross used for?
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To determine whether a dominant phenotype is homozygous or heterozygous
A test cross helps identify the genotype of a dominant-looking organism by crossing it with a recessive one.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
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