Sexual Reproduction
Sexual Reproduction: Overview
This topic covers concepts such as Menstrual Cycle, Sexual Reproduction, Gametogenesis, Isogametes, Heterogametes, Sexuality in Organisms, Dioecious Organisms, Bisexual Organisms, Cell Division during Gamete Formation, and Gamete Transfer.
Important Questions on Sexual Reproduction
In which of the following phases all organisms have to pass through it before they can reproduce sexually?
Which of the following hormones play important role in menstrual cycle?
Read the graph given below and identify the period of follicular phase:
In which among the following animals are arranged in ascending order of a haploid set of chromosome numbers in their gametes?
Exogamy in plants is the term where pollination takes place between flowers of the same plant.
Exogamy is also called as _____.
Differentiate between exogamy and endogamy.
Clear cut distinction between vegetative, reproductive and senescent phase is shown by
In all the sexually reproducing organisms, events involved are
The end of juvenile phase marks the beginning of:
Which one of the following does NOT represent asexual reproduction?
Monocarpic plants are those which
During the follicular phase, the FSH and LH hormone stimulates the secretion of which hormone in a female's body?
The corpus _____ in the ovary is formed when the ovum is not fertilized.
Corpus luteum is the source of secretion of:
Choose correct pair from the given below related to the study of fertilization.
| A | Aquatic algae | Large no. of gametes released into the surrounding medium | External Syngamy |
| B | Moss plants | Large no. of gametes released into air | External Syngamy |
| C | Seed plants | Non motile male gamete reach the egg | Internal Syngamy |
| D | Pteridophytes | Motile male gamete reach the egg | Internal Syngamy |
Assertion (A): Male ants develop by parthenogenesis
Reason (R): Male ants produce sperms by mitosis
Find the incorrect statements
A) Lower plants shift to the sexual method of reproduction just before the onset of adverse conditions takes place
B) In South India, hilly areas transform into blue stretches by the flowering of Agave and Bamboo
C) Single-cell zygote is the vital link that ensures continuity of the species from one generation to the next
D) In Angiosperms pollen grains are shed at 3 -celled stage
