MEDIUM
Earn 100

Read the following statements:

(i) Polycarpic plants are always perennial or biennial.

(ii) Annual plants show clear-cut vegetative, reproductive and senescent phases.

(iii) All perennials have inter flowering period as a part of the juvenile phase.

(iv) The male and female gametes in flowering plants are produced in embryo sac.

 

How many above given statements are correct?

50% studentsanswered this correctly

Important Questions on Modes of Reproduction

EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
The hilum is a scar on the:
HARD
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Which one of the following statements is not true?
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
In Angiosperms, microsporogenesis and megasporogenesis:
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
In the majority of angiosperms:
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
In some plants, the female gamete develops into embryo without fertilization. This phenomenon is known as
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
The ovule of an angiosperm is technically equivalent to
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Male gametophyte in angiosperms produces :
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction

The plant parts which consist of two generations one within the other:

(a) Pollen grains inside the anther
(b) Germinated pollen grain with two male gametes
(c) Seed inside the fruit
(d) Embryo sac inside the ovule

EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Which one of the following does NOT represent asexual reproduction?
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
Functional megaspore in an angiosperm develops into:
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
Pollen tablets are available in the market for:
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Which one of the following statements is not true?
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
The body of the ovule is fused within the funicle at
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
If we explore anther wall from outside to inside then which sequence will be correct?
A- Endothecium
B- Tapetum
C- Epidermis
D- Middle Layer
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Ubisch bodies are produced from ___.
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 generates new genetic combinations leading to variation?
EASY
Biology>Reproduction in Plants>Modes of Reproduction>Sexual Reproduction
Which of the following animal is not viviparous?