31. What part of the nephron is responsible for blood pressure-driven filtration?
[A] distal tubule
[B] loop of Henle
[C] glomerulus
[D] Urethra
Show Answer
Correct Answer: C [glomerulus]
Notes:
The glomerulus is a part of the nephron which is responsible for blood pressure-driven filtration.
32. In which of the following the ovarian medulla contains many round or oval bodies?
[A] corpus luteum
[B] ovarian follicles
[C] corpus Albicans
[D] antrum
Show Answer
Correct Answer: B [ovarian follicles]
Notes:
In ovarian follicles, the ovarian medulla contains many round or oval bodies.
33. A fungal skin infection that usually begins between the toes is called?
[A] Influenza
[B] Athlete’s foot
[C] Typhoid
[D] None of these
Show Answer
Correct Answer: B [Athlete’s foot]
Notes:
A fungal skin infection that usually begins between the toes is called Athlete’s foot.
34. What is deficient in Haemophilia A patients?
[A] X chromosome
[B] Calcium
[C] Antihemophilic factor
[D] Plasma thromboplastin
Show Answer
Correct Answer: C [Antihemophilic factor]
Notes:
Hemophilia A is characterized by a deficiency of the anti-hemophilia globulin factor.
35. The alternate form of a gene is__
[A] Alternate type
[B] Recessive character
[C] Dominant character
[D] Allele
Show Answer
Correct Answer: D [Allele]
Notes:
The alternate form of a gene is Allele. An allele is a variant of a gene.
36. The number of sex chromosomes in the zygote of humans is __
[A] 2
[B] 1
[C] 3
[D] 4
Show Answer
Correct Answer: A [2]
Notes:
The number of sex chromosomes in the zygote of humans is 2.
37. What is the aerobic digestion of sewage used to produce?
[A] Biomass
[B] Biofuels
[C] Synthetic fuels
[D] Metal articles
Show Answer
Correct Answer: B [Biofuels]
Notes:
Aerobic digestion of sewage is used to produce biofuels. The fuel obtained from biomass is called biofuel.
38. Restriction enzymes were discovered by?
[A] Smith and Nathans
[B] Alexander Fleming
[C] Berg
[D] None of these
Show Answer
Correct Answer: A [Smith and Nathans]
Notes:
Restriction enzymes were discovered by Smith and Nathans. Proteins produced by bacteria that cleave DNA at specific sites along the molecule are called restriction enzymes.
39. Among the given nutrients, milk is a poor source of which of the following?
[A] Carbohydrate
[B] Calcium
[C] Protein
[D] Vitamin C
Show Answer
Correct Answer: D [Vitamin C]
Notes:
Milk is a poor source of ascorbic acid (Vitamin C). It contains about 1 mg ascorbate per 100 g. Even the little Vitamin C is usually destroyed when the milk is heat treated. Milk as a complete food contains most of the esential nutrients except are vitamin C and iron.
40. Protein part of enzyme is known as ____:
[A] Isoenzyme
[B] Holoenzyme
[C] Apoenzyme
[D] All of the above
Show Answer
Correct Answer: C [Apoenzyme]
Notes:
Enzymes are defined as biological catalysts. Chemically all enzymes are globular proteins. Each enzyme catalyses only one chemical reaction. Protein part of enzyme is known as Apoenzyme. It forms an active enzyme system by combination with a coenzyme and determines the specificity of this system for a substrate.
