SSC MTS EXAM

SSC

BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
This group of organisms have an exoskeleton, a segmented body, and pairs of jointed appendages.
A
Mollusks
B
Arthropods
C
Echinoderms
D
Cnidarians
Explanation: 

Detailed explanation-1: -Identification of Insects and their Relatives: Insects are part of the phylum of animals called Arthropoda. All arthropods posses an exoskeleton, bi-lateral symmetry, jointed appendages, segmented bodies, and specialized appendages.

Detailed explanation-2: -Features of Arthropoda are: They are bilaterally symmetrical. They have jointed appendages and a segmented body.

Detailed explanation-3: -arthropod, (phylum Arthropoda), any member of the phylum Arthropoda, the largest phylum in the animal kingdom, which includes such familiar forms as lobsters, crabs, spiders, mites, insects, centipedes, and millipedes.

Detailed explanation-4: -Although arthropods grow, their exoskeletons do not grow with them. So they must periodically shed, or “molt” their exoskeletons in favor of a new one. Arthropods ("arthro” meaning joint, and “pod” meaning leg) also have jointed appendages. Lost limbs can gradually be regenerated after successive moltings.

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