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The period of adolescence is from?

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Important Questions on Human Body- A Wonder

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Science>Biology>Human Body- A Wonder>Adolescence and Health
During oogenesis in mammals, the second meiotic division occurs
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Science>Biology>Human Body- A Wonder>Adolescence and Health
The only organ which is capable of producing Fructose in humans is:
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Science>Biology>Human Body- A Wonder>Adolescence and Health
A flower with Tt genotype is cross - pollinated by TT pollens. What will the genotypes of the resulting endosperm and embryo, respectively, be?
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Science>Biology>Human Body- A Wonder>Adolescence and Health
Describe in brief the structure and function of placenta.
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Science>Biology>Human Body- A Wonder>Adolescence and Health
The hard outer layer of pollens, named exine, is made of
MEDIUM
Science>Biology>Human Body- A Wonder>Adolescence and Health
Which ONE of the following statements is CORRECT about placenta?
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Science>Biology>Human Body- A Wonder>Adolescence and Health
Testosterone is secreted by which endocrine part of the testis?
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Science>Biology>Human Body- A Wonder>Adolescence and Health

Given below are certain groups of terms. In each group, the first pair indicates a relationship between the two terms. Rewrite and complete the second pair on a similar basis.

Uterus : Implantation :: Fallopian tube : _____.

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Science>Biology>Human Body- A Wonder>Adolescence and Health
Which of the following species makes the largest true flower in the world?
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Science>Biology>Human Body- A Wonder>Adolescence and Health
Which one of the following is NOT a mode of asexual reproduction?
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Science>Biology>Human Body- A Wonder>Adolescence and Health

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

Ovary

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Science>Biology>Human Body- A Wonder>Adolescence and Health
What changes are seen among the girls during adolescent age/puberty ?
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Science>Biology>Human Body- A Wonder>Adolescence and Health

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

Oviduct

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Science>Biology>Human Body- A Wonder>Adolescence and Health
Papaya is a dioecious species with XY sexual genotype for male and XX for female. What will be the genotype of the embryos and endosperm nuclei after double fertilisation?
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Science>Biology>Human Body- A Wonder>Adolescence and Health

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

Uterus

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Science>Biology>Human Body- A Wonder>Adolescence and Health

Mention the exact location of the following

Testis.

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Science>Biology>Human Body- A Wonder>Adolescence and Health

State the main functions of the following:

Seminal Vesicles.

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Science>Biology>Human Body- A Wonder>Adolescence and Health
The source of mammalian hormone "Relaxin" is
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Science>Biology>Human Body- A Wonder>Adolescence and Health
Write two changes that occur in teenage boys during the period of Adolescence.
HARD
Science>Biology>Human Body- A Wonder>Adolescence and Health
Answer the following question:
Write the changes that occur in the age group 11 to 21 years in boys.