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Class 10 Science Chapter Heredity and Evolution - Part 4

NCERT Class 10 Science Chapter Heredity and Evolution. Topics Heredity, DNA, Genes, Mendel’s Laws of Inheritance, Natural Selection, Speciation, Evolution.

Class 10th
40 Questions
0.00 Marks
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Q1 • MCQ • 1 marks
Acquired traits are:
Q3 • MCQ • 1 marks
Charles Darwin proposed the theory of:
Q4 • MCQ • 1 marks
Lamarck believed evolution occurs through:
Q5 • MCQ • 1 marks
Darwin's famous voyage was on:
Q6 • MCQ • 1 marks
Survival of the fittest was associated with:
Q7 • MCQ • 1 marks
The physical appearance of an organism is called:
Q8 • MCQ • 1 marks
Fossils provide evidence of:
Q9 • MCQ • 1 marks
Fossils are generally found in:
Q10 • MCQ • 1 marks
The age of fossils can be estimated using:
Q11 • MCQ • 1 marks
The forelimbs of humans and whales are examples of:
Q12 • MCQ • 1 marks
The appendix in humans is considered:
Q13 • MCQ • 1 marks
Which of the following is a vestigial organ?
Q14 • MCQ • 1 marks
Artificial selection is carried out by:
Q15 • MCQ • 1 marks
In a monohybrid cross, the phenotypic ratio in F₂ generation is:
Q16 • MCQ • 1 marks
The genetic makeup of an organism is called:
Q17 • MCQ • 1 marks
Which chromosome pair determines sex in humans?
Q18 • MCQ • 1 marks
Evolution results in:
Q19 • MCQ • 1 marks
Which is NOT evidence for evolution?
Q20 • MCQ • 1 marks
The main source of variation is:
Q21 • MCQ • 1 marks
Which process increases variation the most?
Q22 • MCQ • 1 marks
Who gave the theory of inheritance of acquired characters?
Q23 • MCQ • 1 marks
According to Darwin, evolution occurs due to:
Q24 • MCQ • 1 marks
Which scientist proposed Natural Selection?
Q25 • MCQ • 1 marks
The struggle for existence occurs because:
Q26 • MCQ • 1 marks
Evolution is mainly driven by:
Q27 • MCQ • 1 marks
Which one is a homologous organ?
Q28 • MCQ • 1 marks
Which one is an analogous organ?
Q29 • MCQ • 1 marks
Fossils are the remains of:
Q30 • MCQ • 1 marks
Which is NOT a vestigial organ?
Q31 • MCQ • 1 marks
The theory of evolution by natural selection was proposed by:
Q32 • MCQ • 1 marks
Which process produces greater variation?
Q33 • MCQ • 1 marks
Mutation is:
Q34 • MCQ • 1 marks
Variations are produced during:
Q35 • MCQ • 1 marks
Which is an example of an acquired trait?
Q36 • MCQ • 1 marks
The basic event in evolution is:
Q37 • MCQ • 1 marks
Which chromosome is present only in males?
Q38 • MCQ • 1 marks
A boy has:
Q39 • MCQ • 1 marks
A girl has:
Q40 • MCQ • 1 marks
Which parent contributes the Y chromosome?
Q41 • MCQ • 1 marks
DNA is present mainly in:

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