EASY
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What is the main function of the mammary glands?

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Important Questions on How do Organisms Reproduce?

MEDIUM
Describe in brief the structure and function of placenta.
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During oogenesis in mammals, the second meiotic division occurs
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Which ONE of the following statements is CORRECT about placenta?
MEDIUM

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

Uterus

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The source of mammalian hormone "Relaxin" is
MEDIUM

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

Oviduct

MEDIUM
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?
EASY

The diagram given below represents a system in the human body.

Study the diagram and answer the following questions:

Question Image

Identify the system.

EASY
The only organ which is capable of producing Fructose in humans is:
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Testosterone is secreted by which endocrine part of the testis?
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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 : _____.

EASY
Which of the following species makes the largest true flower in the world?
MEDIUM

State the main functions of the following:

Seminal Vesicles.

MEDIUM

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

Ovary

MEDIUM

Mention the exact location of the following

Testis.

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The diagram given below represents a system in the human body.

Study the diagram and answer the following questions:

Question Image

Label the parts marked 5 and 6.

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The diagram given below represents a system in the human body.

Study the diagram and answer the following questions:

Question Image

 Mention the number and the name of the part involved in fertilization and

Implantation from the above diagram.

MEDIUM
A flower with Tt genotype is cross - pollinated by TT pollens. What will the genotypes of the resulting endosperm and embryo, respectively, be?
EASY
Which one of the following is NOT a mode of asexual reproduction?
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The hard outer layer of pollens, named exine, is made of