MCQ
Metacarpals are present in:
- AWrist
- ✓Palm
- CDigits
- DThigh
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| Column $-I$ | Column $-II$ |
| $(A)$ Ketone | $(p)$ has $5$ carbon sugar, a phospphate group and a nitrogenous base |
| $(B)$ Fatty acid | $(q)$ has long chain of carbon and hydrogen atoms and a carboxyl group at one end |
| $(C)$ Aldehyde | $(r)$ has a carbonyl group at the end of the carbon chain |
| $(D)$ Nucleotide | $(s)$ has a carbonyl group within the carbon chain |
| Option | Characteristics | Class |
| $(a)$ | Sucking and circular mouth; jaws absent, integument without scales; paired appendages. | Cyclostomata |
| $(b)$ | Body covered with feathers; skin moist and glandular, fore-lims form wings; lungs with air sacs. | Aves |
| $(c)$ | Mammary gland; hair on body; pinnae; two pairs of limbs. | Mammalia |
| $(d)$ | Mouth ventral; gills without operculum; skin with placoid scales; persistent notochord. | Chondrichthyes |