31. What are some of the common disorders caused by a poor immune system?
[A] Epidemic Diseases
[B] Deficiency diseases
[C] Autoimmune diseases
[D] None of the above
Show Answer
Correct Answer: A [Epidemic Diseases]
Notes:
A disease that affects a large number of people within a community, population, or region is called Epidemic Disease.
32. Which does not act as a protective barrier for the surface of the body?
[A] Skin
[B] Mucus
[C] Gastric acid
[D] Salivary amylase
Show Answer
Correct Answer: D [Salivary amylase]
Notes:
Salivary amylase does not act as a protective barrier for the surface of the body.
33. Which of the following are examples of skin, body hair, cilia, eyelashes, respiratory tract, and gastrointestinal tract?
[A] Physical barrier
[B] Cellular barriers
[C] Cytokine barriers
[D] Physiological barriers
Show Answer
Correct Answer: A [Physical barrier]
Notes:
Physical barriers are examples of skin, body hair, cilia, eyelashes, respiratory tract, and gastrointestinal tract.
34. Melatonin is a hormone secreted by __
[A] Pituitary gland
[B] Gonads
[C] Pineal gland
[D] Adrenal glands
Show Answer
Correct Answer: C [Pineal gland]
Notes:
Melatonin is a hormone secreted by the Pineal gland. It is a peptide hormone.
35. The opening of the infundibulum into the body cavity is called?
[A] isthmus
[B] ampulla
[C] ostium
[D] thalamus
Show Answer
Correct Answer: C [ostium]
Notes:
The opening of the infundibulum into the body cavity is called the ostium.
36. Which bacteria is responsible for causing Shipping Fever in cattle?
[A] Pasteurella haemolytica
[B] Pasteurella multocida
[C] Mannheimia haemolytica
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Shipping fever in cattle is a complex respiratory disease caused by Pasteurella haemolytica, Pasteurella multocida, and Mannheimia haemolytica. These bacteria are often normal inhabitants of the respiratory system but can become pathogenic under certain circumstances, such as the stress of transportation, hence the name “Shipping fever”. It is an important disease in the field of veterinary medicine, especially in beef cattle, due to its economic impact.
37. Mycorrhiza is a symbiotic association between
[A] Bacteria and fungi
[B] Algae and fungi
[C] Fungi and roots of higher plants
[D] Blue green algae and roots of higher plants
Show Answer
Correct Answer: C [Fungi and roots of higher plants]
Notes:
Mycorrhiza is a symbiotic association between fungi and roots of higher plants. A non-disease-producing association in which the fungus invades the root to absorb nutrients is called Mycorrhiza.
38. What is the Normal Blood Volume in human adult?
[A] 1 litre
[B] 3 litre
[C] 5 litre
[D] 7 litre
Show Answer
Correct Answer: C [5 litre]
Notes:
The average adult has a blood volume of roughly 4-5 to 5 litres, which is composed of plasma and several kinds of cells. By volume, the red blood cells constitute about 45% of whole blood, the plasma about 54.3%, and white cells about 0.7%.
39. Which of the following are the largest fixator of solar energy?
[A] Bacteria
[B] Protozoa
[C] Fungi
[D] Green plants
Show Answer
Correct Answer: D [Green plants]
Notes:
Plants and photosynthetic organisms utilize this solar energy in fixing large amounts of CO2 while amounts consumed by human beings are relatively small representing only 10% of the energy converted during photosynthesis. The process of photosynthesis in plants involves a series of steps and reactions that use solar energy, water, and carbon dioxide to produce organic compounds and oxygen.
40. Emulsification is ____:
[A] Absorption of fats
[B] Breaking fats into small globules
[C] Storage of fats
[D] Digestion of fats
Show Answer
Correct Answer: B [Breaking fats into small globules]
Notes:
Emulsification is the breakdown of large fat globules into smaller, uniformly distributed particles. It is accomplished mainly by bile acids in the small intestine. Emulsification prepares fats and oils for chemical digestion by lipase. Into fatty acid and glycerol.
