31. The bladder is lined with __ epithelium.
[A] Simple columnar
[B] Transitional
[C] Stratified squamous
[D] Simple cuboidal
Show Answer
Correct Answer: B [Transitional]
Notes:
Unlike the mucosa of other hollow organs, the bladder is lined with transitional epithelium. It is able to stretch significantly to accommodate a large volume of urine. And it also provides protection to the underlying tissues from acidic or alkaline urine.
32. Albumin is the most important protein in blood serum. It is produced by which of the following organs?
[A] Heart
[B] Lungs
[C] Liver
[D] Endocrine glands
Show Answer
Correct Answer: C [Liver]
Notes:
Albumin is the most important protein in blood serum. It is produced by Liver.
33. What results in severe, acute, or incurable liver disease?
[A] Blood clotting
[B] Production of blood proteins
[C] Elimination of water, drugs, and toxins from the body
[D] All of the above
Show Answer
Correct Answer: D [ All of the above]
Notes:
Blood clotting, Production of blood proteins, and Elimination of water, drugs, and toxins from the body are results in severe, acute, or incurable liver disease.
34. In which part of the human body Thymus gland is located?
[A] Between both cerebrum
[B] Located above heart
[C] Behind Hypothalamus
[D] In throat
Show Answer
Correct Answer: B [Located above heart]
Notes:
The thymus gland is located above the heart, inside the chest cavity. It is important for the development of the T cell inside the body. It is largest in children and starts shrinking as you reach puberty and changes to fat.
35. Which of the following diseases is caused by protozoa?
[A] Whooping cough
[B] Amoebic dysentery
[C] Measles
[D] Athlete’s foot
Show Answer
Correct Answer: B [Amoebic dysentery]
Notes:
Amoebic dysentery diseases are caused by the protozoan parasite Entamoeba histolytica.
36. Which of the following is a parasite that can also serve as a vector host?
[A] Ascaris lumbricoides (Roundworm)
[B] Anopheles mosquito (Female)
[C] Fasciola hepatica (Liver fluke)
[D] Musca domestica (House fly)
Show Answer
Correct Answer: B [Anopheles mosquito (Female)]
Notes:
The female Anopheles mosquito distinguishes itself as both a parasite and vector host. It feeds on human blood, causing minor harm, hence proving its parasitic nature. And in its role as a vector, it allows the Plasmodium parasite, which is responsible for malaria, to mature and multiply inside its body before transmitting it to humans. Meanwhile, Ascaris lumbricoides and Fasciola hepatica act solely as parasites. House flies can serve as vectors, but are generally not classified as parasites.
37. How are Infectious Diseases transmitted?
[A] Droplet Infection
[B] They are inherited
[C] By seeing patients
[D] Eating an unhealthy diet
Show Answer
Correct Answer: A [Droplet Infection]
Notes:
Infection can occur when a healthy person inhales droplets from the saliva, sputum, or nasal passages of an infected person.
38. Which of the following forestry materials can be used as biomass?
[A] Logging residues
[B] Tallow
[C] Fish oil
[D] Manure
Show Answer
Correct Answer: A [Logging residues]
Notes:
The forestry material used as biomass is accumulating residues. Tallow, fish oil, and manure belong to animal products used as biomass.
39. The first transgenic crop was __
[A] Potato
[B] Brinjal
[C] Cotton
[D] Tobacco
Show Answer
Correct Answer: D [Tobacco]
Notes:
The first transgenic crop was Tobacco (a virus-resistance plant), which was developed in the year 1983.
40. Which vein brings clean blood from the lungs into the heart?
[A] Vena Cava
[B] Pulmonary Vein
[C] Hepatic Vein
[D] Renal Vein
Show Answer
Correct Answer: B [Pulmonary Vein]
Notes:
The pulmonary veins are a set of veins that deliver clean oxygenated blood from the lungs to the heart. It brings oxygen-rich blood to the left atrium. Systemic veins deliver deoxygenated blood to the heart.
