Question 1
Heredity and Evolution
What is a gene in the usual school-level DNA model?
Correct!
The answer is A, A unit of heredity represented by a DNA sequence carrying functional information.
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Heredity and Evolution questions for CBSE X
Lakshyank has 66 Heredity and Evolution questions for CBSE X. Try a few below, then practise the rest free.
Question 2
Heredity and Evolution
What are fossils,and how can they inform evolution?
Correct!
The answer is B, Preserved remains or traces that provide evidence of past organisms and changes over time.
Question 3
Heredity and Evolution
What is speciation?
Correct!
The answer is C, Formation of distinct species through evolutionary divergence.
Question 4
Heredity and Evolution
F₁ plants from BB×bb are self-crossed as Bb×Bb. Under complete dominance,what expected fraction of F₂ flowers is white?
Correct!
The answer is D, 25%.
Question 5
Heredity and Evolution
Why is knowledge acquired by reading not automatically passed to offspring as that knowledge?
Correct!
The answer is A, Learning does not encode the learned information as an inherited germline gene..
Question 6
Heredity and Evolution
What is speciation?
Correct!
The answer is C, The formation of new species through evolutionary divergence and reproductive isolation.
Question 7
Heredity and Evolution
What are the scientific names of humans and garden pea, respectively?
Correct!
The answer is A, Homo sapiens and Pisum sativum.
Question 8
Heredity and Evolution
What is the unit of inheritance, and what does it do?
Correct!
The answer is B, A gene; carries information influencing traits.
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