31. Urine that contains glucose is usually an indicator of:
[A] Diabetes
[B] Bacterial infection
[C] Kidney stones
[D] Muscle atrophy
Show Answer
Correct Answer: A [Diabetes]
Notes:
Urine that contains glucose is usually an indicator of Diabetes. Diabetes is a disease in which the blood sugar level is too high. Insulin is a hormone that helps glucose get into cells and gives them energy.
32. The adrenal cortex secretes all except __
[A] Androgenic steroid
[B] Cortisol
[C] Relaxin
[D] Aldosterone
Show Answer
Correct Answer: C [Relaxin]
Notes:
The adrenal cortex secretes all except Relaxin. Relaxin is produced primarily by the corpus luteum.
33. The ovary is suspended by which of the following?
[A] fallopian tubes
[B] ovarian walls
[C] ligaments
[D] mesovarium
Show Answer
Correct Answer: D [mesovarium]
Notes:
The ovaries are located on each side of the lower abdomen, near the kidney on its side. It is suspended from the dorsal body wall by a mesentery, called the mesovarium.
34. 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.
35. The tendency of an offspring to resemble its parent is known as ___
[A] Variation
[B] Heredity
[C] Resemblance
[D] Inheritance
Show Answer
Correct Answer: B [Heredity]
Notes:
The genetic heritage passed down by our biological parents is known as Heredity.
36. One whose phenotype is influenced by more than one gene is called __.
[A] Oncogenic Trait
[B] Monogenic trait
[C] Polygenic trait
[D] None of these
Show Answer
Correct Answer: C [Polygenic trait]
Notes:
One whose phenotype is influenced by more than one gene is called a Polygenic trait.
37. Which protein helps in DNA winding?
[A] Helicase
[B] Histone
[C] Lipase
[D] Cellulase
Show Answer
Correct Answer: B [Histone]
Notes:
A protein that provides structural support to a chromosome is called histone.
38. Which of the following diseases are not caused by smog?
[A] Breathing problem
[B] Throat cancer
[C] Skin cancer
[D] Rickets
Show Answer
Correct Answer: D [Rickets]
Notes:
Rickets is the softening and weakening of bones in children, usually because of an extreme and prolonged vitamin D deficiency. Vitamin D promotes the absorption of calcium and phosphorus from the gastrointestinal tract.
39. Jaws are absent in ____:
[A] Birds
[B] Fishes
[C] Reptiles
[D] Protochordata
Show Answer
Correct Answer: D [Protochordata]
Notes:
Jaws are absent in protochordata and cyclostomata (Agantho stoma). Protochordata refers to invertabrate subphylum of phylum chordata. It includes animals such as tunicates.
40. 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.
