Class 10 Science Chapter Heredity and Evolution - Part 7

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

Class 10th
44 Questions
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Q1 • MCQ • 1 marks
Which genotype represents a hybrid?
Q3 • MCQ • 1 marks
Which trait is recessive in pea plants?
Q4 • MCQ • 1 marks
The probability of getting a male child is:
Q5 • MCQ • 1 marks
Which chromosome determines maleness in humans?
Q6 • MCQ • 1 marks
Darwin's theory is based on:
Q7 • MCQ • 1 marks
Which scientist believed that acquired traits are inherited?
Q8 • MCQ • 1 marks
The process by which new species arise is called:
Q9 • MCQ • 1 marks
Which evidence is obtained from preserved remains?
Q10 • MCQ • 1 marks
Fossils are useful for studying:
Q11 • MCQ • 1 marks
The appendix is an example of:
Q12 • MCQ • 1 marks
Which process creates maximum genetic variation?
Q13 • MCQ • 1 marks
DNA replication errors produce:
Q14 • MCQ • 1 marks
Which is essential for evolution?
Q15 • MCQ • 1 marks
Speciation means:
Q16 • MCQ • 1 marks
Evolution is:
Q17 • MCQ • 1 marks
Geographic isolation promotes:
Q18 • MCQ • 1 marks
Genes are made up of:
Q19 • MCQ • 1 marks
Chromosomes are found in the:
Q20 • MCQ • 1 marks
Human body cells have:
Q21 • MCQ • 1 marks
Which law explains the separation of alleles?
Q22 • MCQ • 1 marks
Mendel selected pea plants because they:
Q23 • MCQ • 1 marks
The phenotype of an organism refers to its:
Q24 • MCQ • 1 marks
Fossils provide evidence for:
Q25 • MCQ • 1 marks
The genotype of an organism refers to its:
Q26 • MCQ • 1 marks
TT × tt produces F₁ offspring that are:
Q27 • MCQ • 1 marks
Which of the following is a recessive genotype?
Q28 • MCQ • 1 marks
The appendix in humans is an example of:
Q29 • MCQ • 1 marks
Darwin observed finches on:
Q30 • MCQ • 1 marks
Evolution occurs because:
Q31 • MCQ • 1 marks
Which type of reproduction is better for producing variation?
Q32 • MCQ • 1 marks
Which of these is inherited?
Q33 • MCQ • 1 marks
Which of these is acquired?
Q34 • MCQ • 1 marks
Which scientist proposed the theory of Natural Selection?
Q35 • MCQ • 1 marks
Similar structures with different functions are:
Q36 • MCQ • 1 marks
Which of the following is NOT inherited?
Q37 • MCQ • 1 marks
Similar functions but different origins are:
Q38 • MCQ • 1 marks
Natural selection acts upon:
Q39 • MCQ • 1 marks
Which generation shows a 3 : 1 phenotypic ratio in a monohybrid cross?
Q40 • MCQ • 1 marks
Which generation contains only dominant phenotype in Mendel's monohybrid cross?
Q41 • MCQ • 1 marks
DNA stands for:
Q42 • MCQ • 1 marks
Which one is a recessive trait in pea plants?
Q43 • MCQ • 1 marks
Which of the following is vestigial in humans?
Q44 • MCQ • 1 marks
An organism having identical alleles is called:
Q45 • MCQ • 1 marks
An organism having different alleles is:

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