Practice free Classification of Animal Kingdom (Zoology) NEET multiple-choice questions online with instant answers and detailed explanations. No login required.
Which feature is unique to mammals and not found in Aves?
While Aves are warm-blooded and have a four-chambered heart, the text states 'The unique features of mammals are the presence of mammary glands and hairs on the skin.' These are not present in Aves.
The adaptation of hind limbs in Aves includes modifications for all of the following EXCEPT:
The NCERT text states: 'The hind limbs generally have scales and are modified for walking, swimming or clasping the tree branches.' Forelimbs are modified for flying, not hind limbs.
Which of these classifications places Aves under Tetrapoda?
NCERT states: 'Classes, Amphibia, Reptilia, Aves and Mammalia have two pairs of limbs and are thus grouped under Tetrapoda.' This indicates their grouping based on the presence of four limbs.
Which of the following describes the body plan and organizational level of Phylum Annelida?
According to the NCERT text, Annelids exhibit organ-system level of body organisation and bilateral symmetry. They are triploblastic, metamerically segmented and coelomate animals.
The phylum name Annelida is derived from the Latin word 'annulus'. What does 'annulus' refer to in the context of these animals?
The NCERT text states: 'Their body surface is distinctly marked out into segments or metameres and, hence, the phylum name Annelida (Latin, annulus: little ring)'.
Which of the following structures in aquatic annelids aids in swimming?
The NCERT text mentions: 'Aquatic annelids like Nereis possess lateral appendages, parapodia, which help in swimming'.
What type of circulatory system is found in Annelida?
The NCERT text explicitly states: 'A closed circulatory system is present' in Annelida.
What is the primary function of nephridia in Annelids?
The NCERT text declares: 'Nephridia (sing. nephridium) help in osmoregulation and excretion'.
Describe the neural system of Annelids.
The NCERT text states: 'Neural system consists of paired ganglia (sing. ganglion) connected by lateral nerves to a double ventral nerve cord'.
Which of the following annelids is correctly identified as monoecious?
The NCERT text says: 'Nereis, an aquatic form, is dioecious, but earthworms and leeches are monoecious'. Hirudinaria is a blood-sucking leech, hence monoecious.
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