CBSE Class 10 Answered
(a) Why it is said that sexual reproduction promotes diversity of characters in the offsprings?
(b) What are the barrier methods of birth control?
Asked by Topperlearning User | 21 Nov, 2013, 02:56: AM
Expert Answer
(a) It is because sexual reproduction results from the fusion of two gametes coming from two different and sexually distinct individuals. This leads to variation which is necessary for evolution.
(b) In barrier methods, physical devices such as condom, diaphragm and cervical caps are used. They prevent the entry of sperms in female genital tract during copulation.
Answered by | 21 Nov, 2013, 04:56: AM
Application Videos
Concept Videos
CBSE 10 - Biology
Asked by krishkumar124507 | 25 Feb, 2022, 06:38: PM
ANSWERED BY EXPERT
CBSE 10 - Biology
Asked by vedaharshitaa | 29 Dec, 2021, 04:01: PM
ANSWERED BY EXPERT
CBSE 10 - Biology
Asked by viraat.verma26 | 15 Nov, 2021, 07:28: PM
ANSWERED BY EXPERT
CBSE 10 - Biology
Asked by hatneihoi2005 | 27 Oct, 2021, 07:21: PM
ANSWERED BY EXPERT
CBSE 10 - Biology
Asked by swalehkhanswalehkhan14 | 10 Jul, 2021, 03:30: PM
ANSWERED BY EXPERT
CBSE 10 - Biology
Asked by sunnysesham282 | 15 Mar, 2021, 05:14: PM
ANSWERED BY EXPERT
CBSE 10 - Biology
Asked by jaiswaldivyansh90 | 11 Feb, 2021, 03:41: PM
ANSWERED BY EXPERT
CBSE 10 - Biology
Asked by gurbakshish06 | 02 Feb, 2021, 09:42: AM
ANSWERED BY EXPERT
CBSE 10 - Biology
Asked by ayushprashar133 | 18 Dec, 2020, 10:55: AM
ANSWERED BY EXPERT
CBSE 10 - Biology
Asked by chinmaypatil34.10tpstl | 17 Dec, 2020, 09:47: AM
ANSWERED BY EXPERT