Match the following. Sub Division Character Example a Acoelomata i Coelom is formed by archenteron p Mollusca b Pseudocoelomata ii Without a body cavity q Hemichordata c Schizocoelomata iii Body cavity should not lined by mesodermal layers r Nematoda d Enterocoelomate iv Coelom is formed by splitting of mesoderm s Platyhelminthes

a - ii - s , b - iii - r , c - iv - p , d - i - q

a - ii - r , b - iv - s , c - iii - p , d - i - q

a - ii - s , b - iii - r , c - i - p , d - iv - q

a - iii - s , b - ii - r , c - iv - p , d - i - q

Match the species in Column-I with their respective feature of body organisation in Column-II Column-I Column-II P Mollusca i Pseudocoelom Q Annelida ii Radula R Nematoda iii Radial symmetry S Echinodermata iv Segmentation Choose the CORRECT combination.

P - ii , Q - iv , R - i , S - iii

P - ii , Q - i , R - iv , S - iii

P - iii , Q - iv , R - i , S - ii

P - iv , Q - iii , R - ii , S - i

Consider following features: Organ system level of organisation Bilateral symmetry True coelomates with segmentation of body. Select the correct option of animal group which possess all the above characteristics:

Annelida, Arthropoda and Chordata

Annelida, Arthropoda and Mollusca

Arthropoda, Mollusca and Chordata

Annelida, Mollusca and Chordata

EASY

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Which one of the following kind of animals is triploblastic?

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Important Questions on Animal Kingdom

MEDIUM

Biology>Diversity in The Living World>Animal Kingdom>Classification of Animals

The animals in which cleavages are radial and indeterminate and possess enterocoelom are generally:

MEDIUM

Biology>Diversity in The Living World>Animal Kingdom>Classification of Animals

Write the difference between unisexual and bisexual animals. Give one example of each.

MEDIUM

Biology>Diversity in The Living World>Animal Kingdom>Classification of Animals

Identify the correct statement with reference to 'Enterocoelomates'.

A Body cavity is formed from endodermal pouches

B. They display determinate type of cleavage

C. Enterocoelomates are deuterostomes

D. Hemichordates are enterocoelomates

EASY

Biology>Diversity in The Living World>Animal Kingdom>Classification of Animals

Which of the following features is not present in the phylum Arthropoda?

EASY

Biology>Diversity in The Living World>Animal Kingdom>Classification of Animals

Which of the following phyla possess body cavity as shown in the diagram below?

Question Image

MEDIUM

Biology>Diversity in The Living World>Animal Kingdom>Classification of Animals

Match the following.

Sub Division		Character		Example
$(a)$	Acoelomata	$(i)$	Coelom is formed by archenteron	$(p)$	Mollusca
$(b)$	Pseudocoelomata	$(ii)$	Without a body cavity	$(q)$	Hemichordata
$(c)$	Schizocoelomata	$(iii)$	Body cavity should not lined by mesodermal layers	$(r)$	Nematoda
$(d)$	Enterocoelomate	$(iv)$	Coelom is formed by splitting of mesoderm	$(s)$	Platyhelminthes

EASY

Biology>Diversity in The Living World>Animal Kingdom>Classification of Animals

Bilaterally symmetrical and acoelomate animals are exemplified by

HARD

Biology>Diversity in The Living World>Animal Kingdom>Classification of Animals

A jawless fish, which lays eggs in freshwater and whose larvae after metamorphosis return to the ocean is

EASY

Biology>Diversity in The Living World>Animal Kingdom>Classification of Animals

Match the species in Column-I with their respective feature of body organisation in Column-II

	Column-I		Column-II
P	Mollusca	i	Pseudocoelom
Q	Annelida	ii	Radula
R	Nematoda	iii	Radial symmetry
S	Echinodermata	iv	Segmentation

Choose the CORRECT combination.

EASY

Biology>Diversity in The Living World>Animal Kingdom>Classification of Animals

Principal type of symmetry in triploblastic animals

EASY

Biology>Diversity in The Living World>Animal Kingdom>Classification of Animals

Which is the National Aquatic Animal of India?

MEDIUM

Biology>Diversity in The Living World>Animal Kingdom>Classification of Animals

Match the following

	List - I		List - II
(a)	Asymmetry	(i)	Cnidaria
(b)	Radial symmetry	(ii)	Platyhelminthes
(c)	Bilateral symmetry and Enterocoelom	(iii)	Porifera
(d)	Bilateral symmetry without body cavity	(iv)	Hemichordata