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MCQs for Heredity and Evolution
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MCQs for Heredity and Evolution
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1. Which one of the following pairs are homologous organs?
2. Pure-bred pea plant A is crossed with pure¬bred pea plant B. It is found that the plants which look like A do not appear in Fj gene¬ration but re-emerge in F2 generation. Which of the plants A and B are tall and dwarf?
3. Those organs which have the same basic structure but different functions are called
4. The number of pairs of sex chromosomes in the zygote of a human being is
5. A man with blood group A marries a woman having blood group O. What will be the blood group of the child?
6. The process of evolution of a species whereby characteristics which help individual organisms to survive and reproduce are passed on to their offspring and those characteristics which do not help are not passed on is called
7. Which of the following characters can be acquired but not inherited?
8. What does the progeny of a tall plant with round seeds and a short plant with wrinkled seeds look like?
9. The theory of evolution of species by natural selection was given by
10. Those organs which have different basic structure but have similar appearance and perform similar functions are called
11. A cross between a tall pea-plant (TT) and a short pea-plant (tt) resulted in progenies that were all tall plants because
12. Those organs which have the same basic structure but different functions are called
13. Pure-bred pea plant A is crossed with pure¬bred pea plant B. It is found that the plants which look like A do not appear in Fj gene¬ration but re-emerge in F2 generation. Which of the plants A and B are tall and dwarf?
14. A zygote which has an X-chromosome inherited from the father will develop into a
15. Those organs which have different basic structure but have similar appearance and perform similar functions are called
16. Which of the following decides the sex of the child?
17. The human species has genetic roots in
18. Which of the following decides the sex of the child?
19. The remaps (or impressions) of dead animals or plant? that lived in the remote past are known as
20. Which of the following is the ancestor of 'Broccoli'?
21. The theory of evolution of species by natural selection was given by
22. A cross between two individuals results in a ratio of 9 : 3 : 3 :1 for four possible phenotypes of progeny. This is an example of a

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