31. Monocytes differentiate into which kind of phagocytic cells?
[A] Neutrophil
[B] B cell
[C] Macrophage
[D] T cell
Show Answer
Correct Answer: C [Macrophage]
Notes:
Macrophages are specialized cells that are involved in the detection, phagocytosis, and destruction of bacteria and other harmful organisms. A monocyte is a type of white blood cell and it is a phagocyte.
32. Complete digestion of food takes place in:
[A] Stomach
[B] Small Intestine
[C] Pancreas
[D] Large Intestine
Show Answer
Correct Answer: B [Small Intestine]
Notes:
Complete digestion of food takes place in Small Intestine. The small intestine carries out most of the digestion process, absorbing almost all of the nutrients from foods into your bloodstream.
33. A hormone that is synthesized from histidine amino acid:
[A] Histamine
[B] Epinephrine
[C] Norepinephrine
[D] Dopamine
Show Answer
Correct Answer: A [Histamine]
Notes:
A hormone that is synthesized from histidine amino acid is Histamine. While Epinephrine, norepinephrine, and dopamine are amine hormones, which are synthesized by modifying the amino acid tyrosine.
34. The outermost layer of the ovary is made up of ___.
[A] simple cuboidal cells
[B] stereocilia
[C] stroma
[D] cilia
Show Answer
Correct Answer: A [simple cuboidal cells]
Notes:
Ovarian or germinal epithelium is the outermost layer of the ovary composed of simple cuboidal cells. It is actually a modified visceral peritoneum.
35. Which of the following is a highly contagious viral disease of cattle?
[A] foot and mouth disease
[B] rinderpest
[C] smallpox
[D] Ranikhet
Show Answer
Correct Answer: B [rinderpest]
Notes:
Rinderpest is a highly contagious viral disease of cattle. Rinderpest is an ancient plague of cattle and other large ruminants. It belongs to the Paramyxoviridae family.
36. Homozygosity and heterozygosity of an individual can be determined by __
[A] Back cross
[B] Self-fertilization
[C] Test cross
[D] All of the above
Show Answer
Correct Answer: C [Test cross]
Notes:
An experimental cross of an individual organism of dominant phenotype but unknown genotype and an organism with a homozygous recessive genotype is known as a test cross.
37. A dark brown, earth-like substance containing balanced macro and micronutrients:
[A] Vermicompost
[B] Azotobacter
[C] Tricho-Card
[D] Bio Compost
Show Answer
Correct Answer: D [Bio Compost]
Notes:
A dark brown, earth-like substance containing balanced macro and micronutrients is called Bio Compost.
38. Chicken Pox is caused by which micro-organism?
[A] Virus
[B] Bacteria
[C] Protozoa
[D] Fungus
Show Answer
Correct Answer: A [Virus]
Notes:
Chickenpox, also known as varicella, is a highly contagious infection caused by the varicella zoster virus. The disease results in a characteristic skin rash that forms small, itchy blisters, which eventually scab over. It is an airborne disease which spreads easily through the coughs and sneezes of an infected person.
39. The somatosensory receptors in human beings detect is ____:
[A] Hear
[B] Taste
[C] Touch
[D] Smell
Show Answer
Correct Answer: C [Touch]
Notes:
Somatosensory Receptor refers to a cell or group of cells specialized to detect changes in the environment and trigger impulses in the sensory nervous system. They are specialized to respond to a particular physical property, such as “touch,” “light,” or “temperature.” The somatosensory system is a part of the sensory nervous system.
40. ____ is the branch of zoology concerned with the study of amphibians:
[A] Herpetology
[B] Ethology
[C] Mammology
[D] Morphology
Show Answer
Correct Answer: A [Herpetology]
Notes:
Herpetology is the branch of zoology concerned with the study of amphibians (including frogs, toads, salamanders, newts, and caecilians (gymnophiona)) and reptiles (including snakes, lizards, amphisbaena, turtles, terrapins, tortoises, crocodilians, and the tuataras). It is the study of ectothermic (coldblooded) tetrapods.
