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Identify the correct ratio of haploid, diploid, and triploid conditions of cells and tissues listed in the given table.

Pollen grain Nucellus Sporogenous tissue
Endosperm Perisperm Egg cell
Synergid Zygote Scutellum

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Important Questions on Modes of Reproduction

EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Which of the following plants is monoecious?
EASY
Biology>Reproduction in Plants>Modes of Reproduction>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

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Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Morphologically and Physiologically similar and usually motile and flagellated gametes are known as_____and its correct example is _____.
MEDIUM
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Match the items given in Column I with those in Column II and select the correct option given below:
 
  Column – I   Column – II
a. Proliferative Phase i. Breakdown of an endometrial lining.
b. Secretory Phase ii. Follicular Phase
c. Menstruation iii. Luteal Phase
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Which of the following animal is not viviparous?
HARD
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Which of the following flowers only once in its life-time?
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Which one of the following does NOT represent asexual reproduction?
MEDIUM
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Assertion (A): Zygote is the link between two generations
Reason (R): Zygote is the product of two gametes and producer of next generation
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Which is the most common mechanism of genetic variation in the population of sexually-reproducing organism?
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Which one of the following generates new genetic combinations leading to variation?
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Strobilanthus kunthiana flowers once in _______
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Both male and female flowers are present on the same individual. Thus, they are
MEDIUM
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Which of the following sets is hermaphrodite?
MEDIUM
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Choose the correct statements from the following:
A) Meiosis has to occur if a diploid body has to produce gametes
B) In Cladophora it is not possible to categorise the male and female gametes
C) Organisms exhibiting external fertilization show greater synchrony between sexes
D) In Wolffia isogametes can be seen
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
What is a cleistogamous flower?
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Seed formation without fertilization in flowering plants involves the process of
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Chose the incorrect statement of gamete transfer.
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Which one of the following shows isogamy with non-flagellated gametes?
MEDIUM
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Draw a neat diagram of LS of a flower.
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Organisms breed only once in their lifetime: