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11th CBSE
IMPORTANT
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Body cavity is the cavity present between body wall and gut wall. In some animals, the body cavity is not lined by mesoderm. Such animals are called

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Important Questions on Animal Kingdom

MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 4 - Animal Kingdom>MULTIPLE CHOICE QUESTIONS>Q 13

Match the column A with column B and choose the correct option

Column I Column II
A. Porifera i. Canal system
B. Aschelminthes ii. Water-vascular system
C. Annelida iii. Muscular pharynx
D. Arthropoda iv. Jointed appendages
E. Echinodermata v. Metamere
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11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 4 - Animal Kingdom>VERY SHORT ANSWER TYPE QUESTIONS>Q 1
Identify the phylum in which adults exhibit radial symmetry and larva exhibit bilateral symmetry.
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11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 4 - Animal Kingdom>VERY SHORT ANSWER TYPE QUESTIONS>Q 2
What is the importance of pneumatic bones and air sacs in Aves?
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11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 4 - Animal Kingdom>VERY SHORT ANSWER TYPE QUESTIONS>Q 3
What is metagenesis? Mention an example which exhibits this phenomenon.
MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 4 - Animal Kingdom>VERY SHORT ANSWER TYPE QUESTIONS>Q 4
What is the role of feathers?
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11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 4 - Animal Kingdom>VERY SHORT ANSWER TYPE QUESTIONS>Q 5
Which group of chordates possess sucking and circular mouth without jaws?
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11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 4 - Animal Kingdom>VERY SHORT ANSWER TYPE QUESTIONS>Q 6
Give one example each for an animal possessing placoid scales and that with cycloid scales.
MEDIUM
11th CBSE
IMPORTANT
NCERT Exemplar Biology - Class 11>Chapter 4 - Animal Kingdom>VERY SHORT ANSWER TYPE QUESTIONS>Q 7
Mention two modifications in reptiles required for terrestrial mode of life.