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All India Exam - 2017
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Q20 of 40 Page 1

Write the functions of each of the following parts in a human female reproductive system:

(i) Ovary


(ii) Uterus


(iii) Fallopian tube

i. Ovary – It produces female gametes and female sex hormones like estrogenic, progesterone.

ii. Uterus – It supports and nourishes the developing foetus. It expands according to the growth of the baby.


iii. Fallopian tube – They are the site of fertilization and carry eggs from ovary to uterus.


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18

Name and explain any one way by which the underground water table does not go down further.

19

Why are certain compounds called hydrocarbons? Write the general formula for homologous series of alkanes, alkenes, and alkynes and also draw the structure of the first member of each series. Write the name of the reaction that converts alkenes into alkanes and also writes a chemical equation to show the necessary conditions for the reaction to occur.

20

Write the structure and functions of placenta in a human female.

21

With the help of one example for each, distinguish between the acquired traits and the inherited traits. Why are the traits/experiences acquired during the entire lifetime of an individual not inherited in the next generation ? Explain the reason of this fact with an example.

Questions · 40
All India Exam - 2017
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