21. Filariasis is caused by __.
[A] roundworms
[B] pinworm
[C] hookworm
[D] none of these
Show Answer
Correct Answer: A [roundworms]
Notes:
Filariasis is caused by roundworms. Lymphatic filariasis is caused by Wuchereria bancrofti, Brugia timori and Brugia malayi. This causes thickening of the skin and tissues present under the skin.
22. The blue pigment of Molluscan blood is hemocyanin from?
[A] Iron
[B] Magnesium
[C] Copper
[D] Manganese
Show Answer
Correct Answer: C [Copper]
Notes:
The blue pigment of Molluscan blood is hemocyanin from Copper. Haemocyanin is the pigment found in the blood of molluscs, crustaceans, and arthropods.
23. Which one is not correctly matched –
[A] Mollusca – Pseudocoel
[B] Cnidaria – Nematocyst
[C] Annelida – Chloragogen cells
[D] Echinodermata – Water vascular system
Show Answer
Correct Answer: A [Mollusca – Pseudocoel]
Notes:
Pseudocelom is found in animals belonging to the phylum Nematoda or Aschelaminthes.
24. In which of the following are gills hidden?
[A] Cryptobranchidae
[B] Ambystomatida
[C] Amphiumidae
[D] Plethodontidae
Show Answer
Correct Answer: A [Cryptobranchidae]
Notes:
In Cryptobranchidae gills are hidden. Hellbenders belong to the Cryptobranchidae family. They contain the largest living salamanders.
25. Flying dragon belongs to which of the following group?
[A] Gecko
[B] Iguanas
[C] Chameleon
[D] Tautra
Show Answer
Correct Answer: B [Iguanas]
Notes:
Flying dragon belongs to Iguanas. Flying dragon is a genus of agamid lizards that are also known as Draco. They are arboreal insectivores.
26. The order Cetacea includes which of the following group?
[A] Monkey, gorilla, and man
[B] Cat, dog, wolf, and lion
[C] Whale, dolphin, and porpoise
[D] Hippopotamus, pig and giraffe
Show Answer
Correct Answer: C [Whale, dolphin, and porpoise]
Notes:
Cetaceans are aquatic mammals that constitute the infra-order Cetacea, including whales, dolphins, and porpoises.
27. Name the longest and heaviest bone of the body?
[A] Femur
[B] Fibula
[C] Tibia
[D] Ilium
Show Answer
Correct Answer: A [Femur]
Notes:
The thigh bone or femur is the longest and strongest bone in your body.
28. The ribs, sternum, and scapulae are all what type of bone?
[A] Long
[B] Flat
[C] Short
[D] Irregular
Show Answer
Correct Answer: B [Flat]
Notes:
Flat bones are thin and have a broad surface, including the scapula (wing bone), ribs, and sternum (breastbone).
29. How many types of antibodies are there?
[A] Five
[B] Three
[C] Two
[D] Four
Show Answer
Correct Answer: A [Five]
Notes:
Antibody immunoglobulins have 5 types of heavy chain stable regions and according to these types, they are classified into IgG, IgM, IgA, IgD, and IgE.
30. Beneath the Bowman’s capsule, the tubal coil forms the proximal tubule, and then it follows a hairpin turn called __
[A] loop of Henle
[B] nephron
[C] glomerulus
[D] Homeostasis
Show Answer
Correct Answer: A [loop of Henle]
Notes:
Beneath the Bowman’s capsule, the tubal coil forms the proximal tubule, and then it follows a hairpin turn called the loop of Henle.
