CBSE Class 11 Biology Phylum Porifera Worksheet Set 01

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Practice Worksheet
CBSE Class 11 Biology
Topic: Phylum Porifera

Very Short Question:-

Q1) How many species of sponges are known?
a.) 5,000
b.) 500
c.) 50,000
d.) 50
Ans: A
 
Q2) In poriferans, the rudimentary diversion of labour is present between.
a.) Cell
b.) Tissues
c.) Organs
d.) Organ System
Ans: A
 
Q3) Why sponges are known as pore bearers? 
Ans: Sponges are known as pore bearers because as their body walls possess numerous tiny pores.
 
Q4) Give an example of fresh water sponge. 
Ans: Spongilla
 
Q5) How do sponges obtain their food?
Ans: Sponges obtain their food and other substance through the water entering their body.
 

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Download CBSE Practice Material: Class 11 Biology Phylum Porifera

Download Practice Sheet: Phylum Porifera (Class 11 Biology)

Access structured practice worksheets for Phylum Porifera designed in alignment with the latest CBSE curriculum for Class 11 Biology. These printable problem sets help students build accuracy and prepare effectively for school tests.

Concept Clarification for Phylum Porifera

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Are these Biology Class 11 worksheets based on the 2026-27 competency-based pattern?

Yes, our CBSE Class 11 Biology Phylum Porifera Worksheet Set 01 includes a variety of questions like Case-based studies, Assertion-Reasoning, and MCQs as per the 50% competency-based weightage in the latest curriculum for Class 11.

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Daily practice with these Biology worksheets helps in identifying understanding gaps. It also improves question solving speed and ensures that Class 11 students get more marks in CBSE exams.

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