31. 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.
32. Which of the following is not a characteristic of pneumonia in animals?
[A] Inflammation of lungs
[B] Accumulation of mucus in alveoli
[C] Fever
[D] Easy breathing
Show Answer
Correct Answer: D [Easy breathing]
Notes:
Inflammation of the lungs, accumulation of mucus in alveoli, and fever are characteristics of pneumonia in animals.
33. Chloroquine is given to treat which of the following disease?
[A] Malaria
[B] Tuberculosis
[C] Tetanus
[D] AIDS
Show Answer
Correct Answer: A [Malaria]
Notes:
Chloroquine is given to treat Malaria disease. Quinine (from the bark of Cinchona), camaquine, primaquine, and daraprim are also given to treat Malaria.
34. An individual’s collection of genes is called?
[A] Genotype
[B] Phenotype
[C] Trait
[D] None of the above
Show Answer
Correct Answer: A [Genotype]
Notes:
A genotype is a collection of genes of an individual. The term can also refer to two alleles inherited for a particular gene. The genotype is expressed when the information encoded in the gene’s DNA is used to make proteins and RNA molecules.
35. Which chemical fertilizer is needed for better rhizobial nitrogen fixation?
[A] Phosphorus
[B] Potassium
[C] Calcium
[D] Sodium
Show Answer
Correct Answer: A [Phosphorus]
Notes:
Phosphorus is the essential chemical fertilizer for better rhizobial nitrogen fixation.
36. The term biomass most often refers to which of the following?
[A] Inorganic matter
[B] Organic matter
[C] Chemicals
[D] Ammonium compounds
Show Answer
Correct Answer: B [Organic matter]
Notes:
The term biomass most often refers to Organic matter. Organic material is that was alive and is now in or on the soil.
37. What is the normal blood pressure in human beings?
[A] 120/90
[B] 120/80
[C] 140/90
[D] 140/100
Show Answer
Correct Answer: B [120/80]
Notes:
According to the American Heart Association (AHA), normal blood pressure is a systolic pressure of less than 120 millimeter of mercury (mm Hg) and a diastolic pressure of less than 80 mm Hg, or 120/80 mm Hg. Having a blood pressure greater than 140/ 90 mm Hg is considered high blood pressure or hypertension.
38. Night Blindness is caused by the deficiency of Vitamin ___:
[A] Vitamin A
[B] Vitamin C
[C] Vitamin K
[D] Vitamin B12
Show Answer
Correct Answer: A [Vitamin A]
Notes:
Night blindness, also called nyctalopia, is failure of the eye to adapt promptly from light to darkness that is characterized by a reduced ability to see in dim light or at night. It occurs as a symptom of numerous congenital and inherited retinal diseases or as a result of vitamin A deficiency.
39. Which chromosomal combination is responsible for maleness in man?
[A] XO
[B] XXX
[C] XX
[D] XY
Show Answer
Correct Answer: D [XY]
Notes:
The chromosomes which determine the sex (maleness or femaleness) of an individual in sexually producing organisms are called sex chromosomes or allosomes. In humans an individual whose cells contain XX chromosomes (homo or isogametic) becomes a female, while one whose cells contains XY chromosomes (heterogametic) becomes a male.
40. The number of heart beats on an average in an adult human is in the range of ___:
[A] 60-65
[B] 66-70
[C] 71-80
[D] 85-90
Show Answer
Correct Answer: C [71-80]
Notes:
The average heart rate for adult humans is about 70 to 75 beats per minute in a normal relaxed mode. While we tend to think of the “normal” heart beat rate as being “72 beats per minute”, in actuality the heart beat rate is not and could never be constant.
