Synopsis IAS
  • Profile
    • New Student
      New to Synopsis IAS?Create an account to register.
      Register

    • Already Registered
      Login to buy courses.
      Log In

  • Home
  • Courses
  • Blog
  • PYQs (GS & Optional)
  • (c) Porifera: Skeleton, canal system and reproduction.

    • Describe the salient features of phylum Porifera. Classify the phylum up to subclasses giving their characteristics and suitable examples.
    • Porifera: Skeleton
      • Give an account of the various skeletal structures in sponges.
      • Skeleton in Porifera.
      • Skeleton in Porifera.
      • Skeleton in sponges.
      • General characters and classification of Porifera.
      • Spicules in Porifera.
    • Porifera: Canal System
      • Canal System in Sponges.
      • Describe different types of canal system found in Porifera. Also mention their functions.
      • Canal system in sponges.
      • Write an account of the canal system in sponges.
      • Explain various types of canal systems in Porifera. Also give their importance.
      • Give an elaborate account of canal system in Porifera and discuss the taxonomic importance of spicules.
      • Canal system in porifera.
      • Canal system in Porifera.
      • Canal system in sponges.
    • Porifera: Reproduction
      • Enumerate various stages of sexual reproduction in Sycon. Provide diagrammatic representation in support of your answer.
      • Asexual and sexual reproduction in Porifera.
  1. PYQs and Practice Questions
  2. UPSC Optionals
  3. Zoology Optional
  4. Non-chordata and Chordata
  5. (c) Porifera: Skeleton, canal system and reproduction.
  6. Porifera: Canal System

Canal System in Sponges. (UPSC 2022, 8 Marks, )

स्पंजों में नहर प्रणाली। (Canal System in Sponges.)
View Answer

Introduction
Read More

Describe different types of canal system found in Porifera. Also mention their functions. (UPSC 2022, 15 Marks, )

पोरीफेरा में पाए जाने वाले विभिन्न प्रकार के नहर तंत्र का वर्णन करें। उनके कार्यों का भी उल्लेख करें। (Describe different types of canal system found in Porifera. Also mention their functions.)
View Answer

Introduction
Read More

Canal system in sponges. (UPSC 2021, 10 Marks, )

स्पंजों में नहर प्रणाली। (Canal system in sponges.)
View Answer

Introduction
Read More

Write an account of the canal system in sponges. (UPSC 2017, 10 Marks, )

स्पंज में नहर प्रणाली का विवरण लिखें। (Write an account of the canal system in sponges.)
View Answer

Introduction
Read More

Explain various types of canal systems in Porifera. Also give their importance. (UPSC 2016, 20 Marks, )

पोरीफेरा में विभिन्न प्रकार की नहर प्रणालियों की व्याख्या करें। साथ ही उनका महत्व भी बताएं। (Explain various types of canal systems in Porifera. Also give their importance.)
View Answer

Introduction
Read More

Give an elaborate account of canal system in Porifera and discuss the taxonomic importance of spicules. (UPSC 2013, 25 Marks, )

पोरीफेरा में नहर प्रणाली का विस्तृत विवरण दें और स्पिक्यूल्स के वर्गीकरणीय महत्व पर चर्चा करें। (Give an elaborate account of canal system in Porifera and discuss the taxonomic importance of spicules.)
View Answer

Introduction
Read More

Canal system in porifera. (UPSC 2008, 20 Marks, )

पोरीफेरा में नहर प्रणाली। (Canal system in porifera.)
Enroll Now

Introduction
Enroll Now

Canal system in Porifera. (UPSC 2005, 20 Marks, )

पोरीफेरा में नहर प्रणाली। (Canal system in Porifera.)
Enroll Now

Introduction
Enroll Now

Canal system in sponges. (UPSC 1999, 20 Marks, )

स्पंजों में नहर प्रणाली। (Canal system in sponges.)
Enroll Now

Introduction
Enroll Now
Login

Login With Username/password

---------------------- OR ----------------------

Login With OTP

Forget Password

Register

Login (If You are already registered)
Submit

Forget Password

Login/Register

Welcome

Coutinue to Purchase Courses
View Courses
My Courses
View My Purchased Courses
Refer and Earn
© Copyright Synopsis IAS. All Rights Reserved