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MCQs

Total Questions : 295 | Page 1 of 30 pages
Question 1. Secretions hardened in polyps and covered by stony cup in
  1.    coral reefs
  2.    shells
  3.    sponges
  4.    sea anemone
 Discuss Question
Answer: Option A. -> coral reefs
Answer: (a).coral reefs
Question 2. Gases which swim bladders can fill in their Pharynx are Oxygen, CO2 and
  1.    nitrogen
  2.    hydrogen
  3.    CO
  4.    Helium
 Discuss Question
Answer: Option A. -> nitrogen
Answer: (a).nitrogen
Question 3. Earliest known bird is
  1.    archaceoptephyx
  2.    crow
  3.    eagle
  4.    dote
 Discuss Question
Answer: Option A. -> archaceoptephyx
Answer: (a).archaceoptephyx
Question 4. Gastrovascular cavity for entry of food as well as removal of waste constitutes sac like
  1.    digestive system
  2.    excretory system
  3.    nervous system
  4.    circulatory system
 Discuss Question
Answer: Option A. -> digestive system
Answer: (a).digestive system
Question 5. Family of Octopus is called
  1.    gastropoda
  2.    pelecypoda
  3.    cephalopoda
  4.    liquipoda
 Discuss Question
Answer: Option C. -> cephalopoda
Answer: (c).cephalopoda
Question 6. Arthropods have well developed excretory system, which is composed of
  1.    nephridia
  2.    annus
  3.    setae
  4.    Malphigian tubules
 Discuss Question
Answer: Option D. -> Malphigian tubules
Answer: (d).Malphigian tubules
Question 7. Common name for Madrepora is
  1.    sponges
  2.    corals
  3.    sycon
  4.    urchins
 Discuss Question
Answer: Option B. -> corals
Answer: (b).corals
Question 8. Mammalian ancestors and reptiles lived together in Jurassic times hence called
  1.    mammals
  2.    reptiles
  3.    mammals like reptiles
  4.    amphibians
 Discuss Question
Answer: Option C. -> mammals like reptiles
Answer: (c).mammals like reptiles
Question 9. Gills of bony fishes are covered by
  1.    operculum
  2.    dermal
  3.    scales
  4.    cycloid scales
 Discuss Question
Answer: Option A. -> operculum
Answer: (a).operculum
Question 10. Pore-bearing animals are commonly called
  1.    sponges
  2.    molasses
  3.    coral reefs
  4.    sea anemone
 Discuss Question
Answer: Option A. -> sponges
Answer: (a).sponges

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