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Class 10 Science Chapter Heredity and Evolution - Part 3

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
Which parent determines the sex of the child?
Q3 • MCQ • 1 marks
In a monohybrid cross, the genotypic ratio in F₂ generation is:
Q4 • MCQ • 1 marks
The mother's gametes always contain:
Q5 • MCQ • 1 marks
The father's gametes contain:
Q6 • MCQ • 1 marks
Variation is important because it:
Q7 • MCQ • 1 marks
Which variation is inherited?
Q8 • MCQ • 1 marks
Which is an example of adaptive radiation?
Q9 • MCQ • 1 marks
Variations that help survival are:
Q10 • MCQ • 1 marks
Which branch of biology deals with fossils?
Q11 • MCQ • 1 marks
The process of preserving favourable variations is:
Q12 • MCQ • 1 marks
Which is NOT evidence of evolution?
Q13 • MCQ • 1 marks
Identical twins generally have:
Q14 • MCQ • 1 marks
Which of the following increases biodiversity?
Q15 • MCQ • 1 marks
The inheritance of traits from parents to offspring occurs through:
Q16 • MCQ • 1 marks
Which of the following is an inherited trait?
Q17 • MCQ • 1 marks
Which of the following is a vestigial organ in humans?
Q18 • MCQ • 1 marks
New species arise due to:
Q19 • MCQ • 1 marks
Evolution explains:
Q20 • MCQ • 1 marks
The ultimate source of all hereditary information is:
Q21 • MCQ • 1 marks
The branch of biology that deals with heredity is called:
Q22 • MCQ • 1 marks
The father of Genetics is:
Q23 • MCQ • 1 marks
Heredity is the transmission of:
Q24 • MCQ • 1 marks
Variations are important because they:
Q25 • MCQ • 1 marks
Mendel conducted his experiments on:
Q26 • MCQ • 1 marks
The traits that appear in the first generation are called:
Q27 • MCQ • 1 marks
Which trait is masked in the F₁ generation?
Q28 • MCQ • 1 marks
The unit of heredity is:
Q29 • MCQ • 1 marks
The physical expression of a gene is called:
Q30 • MCQ • 1 marks
The genetic makeup of an organism is known as:
Q31 • MCQ • 1 marks
The law of dominance was proposed by:
Q32 • MCQ • 1 marks
Mendel's Law of Dominance states that:
Q33 • MCQ • 1 marks
In Mendel's monohybrid cross, the phenotypic ratio in F₂ generation is:
Q34 • MCQ • 1 marks
The genotypic ratio in a monohybrid cross is:
Q35 • MCQ • 1 marks
Tallness in pea plants is dominant over:
Q36 • MCQ • 1 marks
Chromosomes are made up mainly of:
Q37 • MCQ • 1 marks
Human beings have:
Q38 • MCQ • 1 marks
Humans have ____ pairs of chromosomes
Q39 • MCQ • 1 marks
The sex chromosomes in human females are:
Q40 • MCQ • 1 marks
The scientist known as the Father of Genetics is:
Q41 • MCQ • 1 marks
The sex chromosomes in human males are:

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