MEDIUM
12th Tamil Nadu Board
IMPORTANT
Earn 100

What is the composition of semen?

Important Questions on Human Reproduction

HARD
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 2 - Human Reproduction>Evaluation>Q 27
Explain the process of fertilization and implantation of the fertilized ovum.
MEDIUM
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 2 - Human Reproduction>Evaluation>Q 28
Define gametogenesis.
MEDIUM
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 2 - Human Reproduction>Evaluation>Q 29
Describe the structure of the human ovum with a neat labelled diagram.
MEDIUM
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 2 - Human Reproduction>Evaluation>Q 30
Give a schematic representation of spermatogenesis and oogenesis in humans.
MEDIUM
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 2 - Human Reproduction>Evaluation>Q 31
Explain the various phases of the menstrual cycle.
MEDIUM
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 2 - Human Reproduction>Evaluation>Q 32
Explain the role of oxytocin and relaxin in parturition and lactation.
MEDIUM
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 2 - Human Reproduction>Evaluation>Q 33

Identify the given image and label its parts marked as a, b, c and d.

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MEDIUM
12th Tamil Nadu Board
IMPORTANT
Biology Zoology Standard 12>Chapter 2 - Human Reproduction>Evaluation>Q 34

The following is the illustration of the sequence of ovarian events (a-i) in a human female. Identify the figure that illustrates ovulation and mention the stage of oogenesis it represents.

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