Animal Kingdom PYQs - Last 5 Years

Given below are two statements :
Statement I : When any plane passing through the central axis of the body divides the organism into two identical halves, it is called radial symmetry.
Statement II : In phylum Echinodermata, both adults and...

Which of the following is not a characteristic of chordates?

Given below are two statements:
Statement I : The class name Reptilia refers to creeping or crawling mode of locomotion.
Statement II : All organisms belonging to Reptilia have three chambered heart.
In the light of the above statements, ch...

The flightless bird with forelimbs modified as paddle-like structures suited for swimming is known as:

Select the incorrect statements from the following:
A. Digestive system in Platyhelminthes is incomplete.
B. Bilateral symmetry is a characteristic feature of adult Echinoderms.
C. Pseudocoelom is possessed by Aschelminthes.
D. Notochord is...

Select the set of fishes which belong to the class Osteichthyes:

A group of researchers procured some fish like animals and upon investigation the following characters were observed:
A. Endoskeleton was made of cartilage.
B. Ectoparasitic; as they were found attached on fish skin with their circular suck...

Which of the following statement is correct about location of the male frog copulatory pad?

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : All vertebrates are chordates but all chordates are not vertebrate.
Reason (R) : The members of subphylum vertebrata p...

All living members of the class Cyclostomata are :

Role of the water vascular system in Echinoderms is :
A. Respiration and Locomotion
B. Excretion and Locomotion
C. Capture and transport of food
D. Digestion and Respiration
E. Digestion and Excretion
Choose the correct answer from the opti...

Which of the following pairs is an incorrect match?

Match List-I with List-II.

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Open Circulatory system is present in :

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Members of subphylum vertebrata possess notochord during the embryonic period. The notochord is replaced by a cartilaginous ...

The following are the statements about non-chordates:
A. Pharynx is perforated by gill slits.
B. Notochord is absent.
C. Central nervous system is dorsal.
D. Heart is dorsal if present.
E. Post anal tail is absent.
Choose the most appropria...

Match List I with List II :

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Match List I with List II:

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Consider the following statements :
A. Annelids are true coelomates
B. Poriferans are pseudocoelomates
C. Aschelminthes are acoelomates
D. Platyhelminthes are pseudocoelomates
Choose the correct answer from the options given below :

Select the correct statements :
(A) Platyhelminthes are triploblastic
pseudocoelomate and bilaterally symmetrical
organisms.
(B) Ctenophores reproduce only sexually and
fertilization is external.
(C) In tapeworm, fertilization is i...

Match List-I with List-II.

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The unique mammalian characteristics are :

Select the correct statements with reference to chordates.
A. Presence of a mid-dorsal, solid and double nerve cord.
B. Presence of closed circulatory system.
C. Presence of paired pharyngeal gill slits.
D. Presence of dorsal heart
E. Tripl...

Radial symmetry is NOT found in adults of phylum ______.

Select the incorrect statements with respect to Cyclostomes:
(a) They lack scales and paired fins.
(b) They have circular mouth with jaws.
(c) They bear 6-15 pairs of gills.
(d) They migrate to deep sea for spawning.
Choose the most appropr...

Match List-I with List-II

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Which of the following animals has three chambered heart?

Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : All vertebrates are chordates but all chordates are not vertebrates.
Reason (R) : Notochord is replaced by vertebral ...

Exoskeleton of arthropods is composed of: