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During adolescence, several changes occur in the human body. Mark one change associated with sexual maturation in boys.

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Important Questions on How do Organisms Reproduce?

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Science>Biology>How do Organisms Reproduce?>Sexual Reproduction
Write two changes that occur in teenage boys during the period of Adolescence.
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Science>Biology>How do Organisms Reproduce?>Sexual Reproduction
Define the term pollination. Differentiate between self-pollination and cross-pollination. What is the significance of pollination?
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Science>Biology>How do Organisms Reproduce?>Sexual Reproduction
What changes are seen among the girls during adolescent age/puberty ?
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Science>Biology>How do Organisms Reproduce?>Sexual Reproduction

What is the process of reproduction in amoeba? What are the advantages of sexual reproduction over asexual reproduction?

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Science>Biology>How do Organisms Reproduce?>Sexual Reproduction

Write the function of the following part in the human female reproductive system:

Oviduct

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Science>Biology>How do Organisms Reproduce?>Sexual Reproduction
What is vegetative reproduction? Explain any three natural methods of vegetative reproduction with the help of suitable diagrams.
HARD
Science>Biology>How do Organisms Reproduce?>Sexual Reproduction
Answer the following question:
Write the changes that occur in the age group 11 to 21 years in boys.
EASY
Science>Biology>How do Organisms Reproduce?>Sexual Reproduction
Select the correct pair and write it -
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Science>Biology>How do Organisms Reproduce?>Sexual Reproduction

Write the function of the following part in the human female reproductive system:

Uterus

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Science>Biology>How do Organisms Reproduce?>Sexual Reproduction
What is carpel? Write the function of its various parts.
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Science>Biology>How do Organisms Reproduce?>Sexual Reproduction
Draw a labelled diagram of vertical section of a flower and explain its various parts.
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Science>Biology>How do Organisms Reproduce?>Sexual Reproduction
Describe in brief the structure and function of placenta.
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Science>Biology>How do Organisms Reproduce?>Sexual Reproduction
Which one of the following statements is correct regarding sexual reproduction?
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Science>Biology>How do Organisms Reproduce?>Sexual Reproduction

The diagram represents the lifecycle of angiosperm. Choose the correct combination of labelling?

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EASY
Science>Biology>How do Organisms Reproduce?>Sexual Reproduction
Select which of the following is the feature of cross pollination
HARD
Science>Biology>How do Organisms Reproduce?>Sexual Reproduction

Reproducing organisms create new individuals that look very much like themselves.

Observe the diagram given below and answer the question:

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What is the function of parts marked A and B?

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Science>Biology>How do Organisms Reproduce?>Sexual Reproduction
Write a point of difference between pollination and fertilization.
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Science>Biology>How do Organisms Reproduce?>Sexual Reproduction
List in proper sequence four steps of obtaining germinating dicot seeds.
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Science>Biology>How do Organisms Reproduce?>Sexual Reproduction

Write the function of the following part in the human female reproductive system.

Ovary

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Science>Biology>How do Organisms Reproduce?>Sexual Reproduction
Write one main difference between the asexual and sexual modes of reproduction. Which species is likely to have comparatively better chances of survival - the one reproducing asexually or the one reproducing sexually? Give a reason to justify your answer.