31. Which one is NOT true about sponges?
[A] They are multicellular
[B] They are autotrophs
[C] They are eukaryotes
[D] They are the simplest animals lacking tissue and organs
Show Answer
Correct Answer: B [They are autotrophs]
Notes:
Sponges are multicellular, eukaryotes, and the simplest animals lacking tissue and organs.
32. The long hollow bones and connected air sacs are the characteristic features of?
[A] Mammals
[B] Reptilia
[C] Aves
[D] None of the above
Show Answer
Correct Answer: C [Aves]
Notes:
The long hollow bones and connected air sacs are the characteristic features of Aves. Aves are warm-blooded animals and have four-chambered hearts.
33. Bone marrow does not occur in __
[A]
Fishes
[B] Amphibians
[C] Birds
[D] Reptiles
Show Answer
Correct Answer: C [Birds]
Notes:
Bone marrow does not occur in birds because bone marrow is present in all animals which belong to the group of mammals. Birds have pneumatic bones that are hollow and devoid of bone marrow.
34. Ruminants belong to which of the following order?
[A] Proboscida
[B] Artiodactyla
[C] Marsupials
[D] Edentata
Show Answer
Correct Answer: B [Artiodactyla]
Notes:
Ruminants belong to Artiodactyla order. Artiodactyla together with whales make up the order Cetartiodactyla. Artiodactyla includes omnivores and herbivores.
35. Which of the following statement is not true?
[A] Keratinocytes protects skin and muscles from heat and chemicals
[B] papillary region is responsible for the figure prints
[C] Markel cells are used for touch sensations
[D] Apoptosis takes place in stratum granulosum
Show Answer
Correct Answer: B [papillary region is responsible for the figure prints]
Notes:
The papillary layer is the layer of the dermis responsible for fingerprints.
36. How many bones are there in the average person’s body?
[A] 33
[B] 206
[C] 639
[D] It varies by individual
Show Answer
Correct Answer: B [206]
Notes:
206 bones are there in the average person’s body. These include the bones of the skull, spine, ribs, arms and legs. Bones are made up of connective tissue reinforced by calcium and specialized bone cells.
37. Which of the following helps in clotting and clotting of blood?
[A] Lymphocytes
[B] Monocytes
[C] Thrombocytes
[D] Granulocytes
Show Answer
Correct Answer: C [Thrombocytes]
Notes:
Thrombocytes help in clotting and clotting of blood. Thrombocytes are specialized blood cells produced from the bone marrow.
38. Which statement is true about Passive Immunity?
[A] This immunity causes reactions
[B] This immunity develops immediately
[C] This immunity lasts only for a few weeks or months
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Passive immunity is conferred when a person is given antibodies to a disease rather than produced through their own immune system. A newborn baby receives passive immunity from its mother through the placenta.
39. __ is the decrease in glomerular filtration in humans.
[A] Renal failure
[B] Uremia
[C] Renal Calculi
[D] Nephritis
Show Answer
Correct Answer: A [Renal failure ]
Notes:
Renal failure is the decrease in glomerular filtration in humans. It is also called Kidney failure.
40. Ehrlichiosis is a tick-borne bacterial infection, caused by __
[A] Mycobacterium tuberculosis
[B] Anaplasmataceae
[C] Sphaerophorus necrophorus
[D] Clostridium hemolyticum
Show Answer
Correct Answer: B [Anaplasmataceae]
Notes:
Ehrlichiosis is a tick-borne bacterial infection, caused by Anaplasmataceae.
