EASY
9th CBSE
IMPORTANT
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Identify the phylum in which endocrine system appeared for the first time.

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Important Questions on Diversity in Living World—Animals

EASY
9th CBSE
IMPORTANT
Which of the following animal possesses blood with haemoglobin in plasma?
(i) Earthworm
(ii) Balanoglossus
(iii) Snail
(iv) Butterfly
EASY
9th CBSE
IMPORTANT
Which class of animals possess two chambered heart?
EASY
9th CBSE
IMPORTANT
The animals belonging to which class of vertebrates generally lead an arboreal life?
EASY
9th CBSE
IMPORTANT
Name the special pouch in which a female kola bear protects its young one after birth.
EASY
9th CBSE
IMPORTANT
Identify the glands present in birds.
EASY
9th CBSE
IMPORTANT
Urinary bladder is absent in which of the following animals?
EASY
9th CBSE
IMPORTANT
Identify an organism in which branchial respiration takes place.
EASY
9th CBSE
IMPORTANT
An animal which contain three - chambered heart is _____.