EASY
Earn 100

In all the sexually reproducing organisms, events involved are

50% studentsanswered this correctly

Important Questions on Reproduction in Organisms

EASY
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
Differentiate between asexual and sexual reproduction.
EASY
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
Which one of the following is NOT a mode of asexual reproduction?
HARD
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
Differentiate between asexual and sexual reproduction.
EASY
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
Pollen tablets are available in the market for:
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
In the majority of angiosperms:
EASY
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
What is seasonal breeder? Give an example.
MEDIUM
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
Choose the correct statement.
A) Several hormonal and structural changes are initiated for the development of floral primordium.
B) Each anther will have two sporangia at the sides.
C) Stomium will be useful for the dehiscence of pollen sacs.
D) Pollen grains can be stored at -196°C.
E) Pollen viability in rice will be 2-3 days.
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?
EASY
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
The body of the ovule is fused within the funicle at
EASY
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
Which of the following animal is not viviparous?
EASY
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
Ubisch bodies are produced from ___.
HARD
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
Which of the following has proved helpful in preserving pollen as fossils?
EASY
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
During an excavation of soil, pollen fossil were retrieved from deepest layer of soil. The pollen grains remained fossils because:
MEDIUM
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction

Assertion A: Xenogamy involves transfer of pollen grains from the flower of one plant to the stigma of another plant.

Reason R: This is the only type of pollination which brings genetically different types of pollen grains to the stigma.

The correct answer is:

MEDIUM
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction

Study the following lists. Match the floral parts given in List - I with the corresponding symbols, in List - II

   List - I     List - II
(a) Calyx (i) ⊕
(b) Ovary superior (ii) %
(c) Actinomorphic (iii) C
(d) Zygomorphic (iv) K
    (v) G

The correct answer is

EASY
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
Strobilanthus kunthiana flowers once in _______
EASY
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
Which is the most common mechanism of genetic variation in the population of sexually-reproducing organism?
HARD
Biology>Reproduction>Reproduction in Organisms>Sexual Reproduction
Which of the following flowers only once in its life-time?