English

What Is Sexual Reproduction? What Are Its Essential Features? - Biology

Advertisements
Advertisements

Question

What is sexual reproduction? What are its essential features?

Short Note

Solution

It is a type of reproduction usually found in higher animals and plants where male and female sexes produce male and female heterogametes separately, which on fertilisation produce a zygote.

shaalaa.com
  Is there an error in this question or solution?
Chapter 10: The Reproductive System - Short Questions

APPEARS IN

ICSE Biology [English] Class 10
Chapter 10 The Reproductive System
Short Questions | Q 1

RELATED QUESTIONS

What are the different methods of contraception?


fill in the blanks with suitable functions: Seminiferous Tubule and _____


What is gestation period? How much is the gestation period in humans?


In human males, the testes lie in the scrotum outside the body because it helps in the
(a) process of mating
(b) formation of sperms
(c) easy transfer of sperms
(d) all the above


When a female child is born, her ovaries already contain thousands of immature eggs (or ova) contained in immature structures A. On maturing, A bursts open and an egg shoots out of the ovary in a process called B. The process B starts in the females at puberty and occurs again and again after a time period x. Before every occurrence of process B, the inner lining of uterus becomes thick and soft with lots of blood vessels in it. When the egg cell gets fertilised by a sperm, then an event C occurs in the life of mature human female which lasts for time period leading to the birth of baby. If, however, the egg cell released by the ovary does not get a sperm to fuse with, then the thick and soft inner lining of uterus breaks down and comes out of the female's body in an event called D. The occurrence of event D is controlled by chemical substances E.
(a) What are A?
(b) What is process B?
(c) What is the time period x?
(d) Name the event C.
(e) How much is the time period y?
(f) What is the name of process D?
(g) Name the chemical substances E.


Define the term puberty.


The vagina is a muscular tube.


Give the function of the following:
Uterus


Name the Following

What does this abbreviation stand for LH?


Given below is a group of terms. In the group, one pair indicates the relationship between the two terms. Rewrite and complete the second pair on a similar basis.

Female gonad : Ovaries :: Male gonad : ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×