Select the option from the following having matching characteristics for the mentioned group without any…

Select the option from the following having matching characteristics for the mentioned group without any exception:
  1. Characteristics Class
    Mammary gland; hair on body; pinnae; two pairs of limbs Mammalia
  2. Characteristics Class
    Mouth ventral; gills without operculum; skin with placoid scales persistent notochord Chondrichthyes
  3. Characteristics Class
    Sucking and circular mouth; jaws absent, integument without scales paired appendages Cyclostomata
  4. Characteristics Class
    Body covered with feathers; skin moist and glandular, fore - limbs form wings; lungs with air sacs Aves

Solution

Mammalia: pinnae absent in whales.
Cyclostomata: paired appendages absent in Agnatha.
Aves: Almost all the aves show presence of nonglandular skin.

Asked in: NEET 2015 (Phase 1)

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