Browse by Stream
-
Engineering and Architecture
Exams
Colleges
Predictors
Resources
-
Computer Application and IT
Quick Links
Colleges
-
Pharmacy
Colleges
Resources
-
Hospitality and Tourism
Colleges
Resources
Diploma Colleges
-
Competition
Other Exams
Resources
-
School
Exams
Top Schools
Products & Resources
-
Study Abroad
Top Countries
Resources
-
Arts, Commerce & Sciences
Colleges
Upcoming Events
Resources
-
Management and Business Administration
Exams
Colleges & Courses
Predictors
-
Learn
Law Preparation
MBA Preparation
Engineering Preparation
Medical Preparation
-
Online Courses and Certifications
Top Streams
Specializations
- Digital Marketing Certification Courses
- Cyber Security Certification Courses
- Artificial Intelligence Certification Courses
- Business Analytics Certification Courses
- Data Science Certification Courses
- Cloud Computing Certification Courses
- Machine Learning Certification Courses
- View All Certification Courses
Resources
-
Medicine and Allied Sciences
Colleges
Predictors
Resources
-
Law
Resources
Colleges
-
Animation and Design
Exams
Predictors & Articles
Colleges
Resources
-
Media, Mass Communication and Journalism
Colleges
Resources
-
Finance & Accounts
Top Courses & Careers
Colleges
Get Answers to all your Questions
- #Structural Organisation in Animals and Plants
- #National Eligibility Cum Entrance Test
- #Biology
- #Class 11
- #National Eligilibility Cum Entrance Test
- #Medical
Two pairs of accessory glands are present one pair each in the
Option: 1
2nd and 3rd segment
Option: 2
5th and 6th segment
Option: 3
17th and 19th segment
Option: 4
20th and 23rd segment
Answers (1)
Reproduction and Development in Earthworm
- Earthworm is hermaphrodite, that is, male and female reproductive organs are present in the same individual.
- Earthworms do not self-fertilize because testes mature earlier than the ovaries.
Male reproductive system
- It consists of the following structures
- Testes sacs- There are two pairs of testes sacs present in the 10th and 11th segments. Each sac encloses a testis and a spermiducal funnel.
- Testes- Two pairs of testes are present inside testes sacs at the 10th and 11th segments. These are the sites of gametogenesis.
- Seminal vesicles- These are two pairs of structures present in the 11th and 12th segments. The process of development to the maturation of spermatozoa takes place inside them.
- Spermiducal funnel- These are present in the 10th and 11th segments. These act as gateways of sperm reception and leads into vasa deferentia.
- Vasa deferentia- The vasa deferentia run from the 12th up to the 18th segment where they join the prostatic duct.
- Prostate gland- lie one on each side of the gut from the 16th to the 21st segments. They produce a secretion that serves as a medium for the transfer of sperm.
- Accessory glands- Two pairs of accessory glands are present one pair each in the 17th and 19th segments.
-Accessory glands- Two pairs of accessory glands are present one pair each in the 17th and 19th segment.
View full answer
NEET 2024 Most scoring concepts
- Just Study 32% of the NEET syllabus and Score up to 100% marks
