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Papaya plant is dioecious.

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Important Questions on Reproduction in Organisms

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Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
Give a significant point of  difference between the oestrous cycle and menstrual cycle.
MEDIUM
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
If chromosome number in the diploid cell of maize is 20, then the chromosome number in gametes of maize will be
HARD
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
How is the chromosomal number maintained in sexually reproducing organisms?
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Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction

Define the following:

Amenorrhea

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Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
Extrusion of second polar body from egg nucleus occurs
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Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
Name a plant which flowers every twelve years.
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Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
What is seasonal breeder? Give an example.
EASY
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
Which one of the following shows isogamy with non-flagellated gametes?
HARD
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
Which of the following flowers only once in its life-time?
EASY
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
Which of the following is hermaphrodite?
EASY
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
How many chromosomes are present in meiocytes of a fruit fly?
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Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
Which is the most common mechanism of genetic variation in the population of sexually-reproducing organism?
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Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
Which one of the following is NOT a mode of asexual reproduction?
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Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
If the haploid number of chromosomes in a plant is 20, how many chromosomes will be present in the cells of the shoot tip?
EASY
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
In some plants, the female gamete develops into embryo without fertilization. This phenomenon is known as
EASY
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
Which one of the following does NOT represent asexual reproduction?
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Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction

Match the following:

  List - I   List - II
A) Isogamy I) Vorticella
B) Anisogamy II) Plasmodium
C) Hologamy III) Monocystis
D) Conjugation IV) Amoeba
    V) Trichonympha

The correct match is

EASY
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
What is syngamy?
EASY
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
Which one of the following generates new genetic combinations leading to variation?
EASY
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
Which of the following animal is not viviparous?