EASY
Earn 100

Syngamy is the process in which
(a)Male gamete fuses with female gamete
(b)Pollen tube enters into the ovule through micropyle
(c)Pollen tube enter into the ovule through chalaza
(d)Vegetative cell and tube cell fuse

50% studentsanswered this correctly
Important Questions on Sexual Reproduction in Flowering Plants
EASY
Match the following:
List - I | List - II | ||
Isogamy | Vorticella | ||
Anisogamy | Plasmodium | ||
Hologamy | Monocystis | ||
Conjugation | Amoeba | ||
Trichonympha |
The correct match is

MEDIUM
_____occurs when the gametes that fuse are similar.

MEDIUM
Match the columns:
Column I | Column II | ||
a. | A most critical event in sexual reproduction | (i) | Gametogenesis |
b. | The vital link that ensures continuity of species | (ii) | Gamete transfer |
c. | The progenitor of next generation | (iii) | Zygote |
d. | Plants with both male and female reproductive structures present in the same | (iv) | Fertilization |
(v) | Meiocyte | ||
(vi) | Embryo | ||
(vii) | Monoecious | ||
(viii) | Dioecious |

EASY
Conjugation of Spirogyra castanacea by incubating algal filaments on _____.

MEDIUM
Which type of propagation is better for the plant?

EASY
Oogamy is the most advanced form of reproduction, with the egg cell or _____ retained and fertilized on the parent plant.

EASY
Fusion of mature individuals which directly act as gametes, is called

EASY
Non-motile gametes are found in _____ algae. (red/ brown)

EASY
Isogamy is common in _____ this species is homothallic or heterothallic.

EASY
Fill in the blank from the correct options provided in the bracket.
The fusion between similar gametes is called _____ (allogamy/isogamy/anisogamy).

EASY
The sexual reproduction in Spirogyra occurs through a process called _____.

MEDIUM
How many structures/features are associated with apoplastic movement of water?


EASY
The conjugation tubes between the two algal filaments allow the contents of one cell to fuse with those of the other, forming _____.

EASY
Stalk with which ovules remain attached to placenta is called:

EASY
An important characteristic of angiosperms is_____.

EASY
Select the plant species which flower only once in their life time, generally after 50-100 years, produce large number of fruits and die.

EASY
Sexual reproduction in zygnematophycean algae, such as Spirogyra, involves an unusual process of “conjugation” in which _____ are transferred between filaments.

EASY
Motile gametes of lower plants are called _____.

EASY
The gametes are produced within a sac known as _____.(Gametangium/Sporangiospore)

EASY
Derived forms of isogamy_____.

