Diversity among Animals | Sindh Mdcat Past Paper MCQs | mosaicbro.com

Diversity among Animals | Sindh Mdcat Past Paper MCQs

7 of 46 questions (Page 4 of 7)

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22 Species of phylum Platyhelminthes are:
Correct Answer: B
Explanation: Platyhelminthes are flatworms (e.g., tapeworms).
23 Characteristics features of Echinoderm is:
Correct Answer: B
Explanation: Echinoderms have a unique water vascular system for locomotion.
24 ______ is commonly known as Hook worm:
Correct Answer: A
Explanation: Ancylostoma duodenale is the hookworm.
25 An organism appears to be a segmented worm. Upon observation it is determined that the organism has a closed circulation, a mouth and an anus, and does not have an exoskeleton. The organism most likely belongs to the phylum:
Correct Answer: B
Explanation: Annelids (segmented worms) match this description.
26 Which one of the following undergoes complete metamorphosis?
Correct Answer: B
Explanation: Butterflies undergo complete metamorphosis (egg-larva-pupa-adult).
27 Hirudin anti-clotting factor is found in:
Correct Answer: A
Explanation: Hirudin is produced by leeches (Hirudo).
28 Which group of organisms have following features? I. Three pairs of joined legs II. Three-part segmented body III. One pair of antennae
Correct Answer: C
Explanation: Insects have 3 pairs of legs, 3 body parts, and 1 pair of antennae.
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