MCQ
Identify the incorrect pair.
- AAlkaloids $-$ Codeine
- BToxin $-$ Abrin
- CLectins $-$ Concanavalin $A$
- ✓Drugs $-$ Ricin
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($i$) It consists of a series of fused segmentally arranged ganglia joined by paired longitudinal connectives on the ventral side.
($ii$) There are six ganglia lie in the thorax, and three in the abdomen.
($iii$) The sense organs are antennae, eyes, maxillary pulps, labial pulps and anal cerci etc.
($iv$) Each eye consists of about $5000$ hexagonal ommatidia.
$I$. Chordata $II$. Annelida
$III$. Arthropoda $IV$. Platyhelminthes
$V$. Ctenophora $VI$. Aschelminthes
| Column $-I$ (Biomolecule) | Column $-II$ (Characteristics) |
| $(A)\; ATP$ | $(p)$ One or more sugar monomers |
| $(B)\; DNA$ | $(q)$ The main source of energy |
| $(C)$ Protein | $(r)$ Two strands of nucleotides |
| $(D)$ Carbohydrate | $(s)$ Long sequence of amino acids |