31. What is the shape of the stomach?
[A] J – shaped
[B] S – shaped
[C] O – shaped
[D] None of these
Show Answer
Correct Answer: A [J – shaped]
Notes:
The stomach is a J-shaped organ and is present on the left side of the abdomen.
32. Where is the large intestine located?
[A] below the waist near the abdominal cavity
[B] above the waist near the abdominal cavity
[C] upper abdomen on the left side
[D] None of these
Show Answer
Correct Answer: A [below the waist near the abdominal cavity]
Notes:
The large intestine is located below the waist in the abdominal cavity.
33. A tube that allows urine to pass out of the body __
[A] penis
[B] urethra
[C] scrotum
[D] All of the above
Show Answer
Correct Answer: B [urethra]
Notes:
A tube that allows urine to pass out of the body’s urethra. It is a long tube that runs through the penis.
34. 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.
35. Chickenpox is a highly contagious disease caused by the __
[A] Pasteurella pestis
[B] Bacillus anthracis
[C] Bordetella pertussis
[D] Varicella zoster
Show Answer
Correct Answer: D [Varicella zoster ]
Notes:
Chickenpox is a highly contagious disease caused by the varicella zoster virus.
36. 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.
37. Who among the following invented Bt cotton?
[A] Ernst Berliner
[B] James Black
[C] Erwin Chargaff
[D] Rachel Carson
Show Answer
Correct Answer: A [Ernst Berliner]
Notes:
Ernst Berliner invented Bt cotton. Genetically modified by the insertion of one or more genes from a common soil bacterium, Bacillus thuringiensis, known as Bt cotton.
38. Panthera pardus is the scientific name of ____:
[A] Panther
[B] Leopard
[C] Lion
[D] Tiger
Show Answer
Correct Answer: B [Leopard]
Notes:
Panthera pardus is the scientific name of leopard, one of the five “big cats” in the genus Panthera. It is a member of the family Felidae with a wide range in sub-Saharan Africa and parts of Asia. It belongs to the Chordata phylum, Mammalia class and Carnivora order.
39. What accumulates in the muscles after continuous strenuous physical exercise as a result of temporary anaerobic respiration that causes muscular fatigue?
[A] ATP
[B] Lactic acid
[C] Ethyl alcohol
[D] Carbon dioxide
Show Answer
Correct Answer: B [Lactic acid]
Notes:
Anaerobic reactions involve break down of glucose into pyruvic acid, which then reacts to produce lactic acid. As muscle metabolism shifts from aerobic to anaerobic ATP production, lactic acid begins to accumulate in muscles and to appear in the bloodstream. This leads to muscle fatigue with changing pH of muscle cells. C6H12O6 —> 2C3H6O3 + 2ATP
40. The type of fruit obtained from a multicarpillary, apocarpous gynoecium is ____:
[A] Composite
[B] Multiple
[C] Aggregate
[D] Simple
Show Answer
Correct Answer: C [Aggregate]
Notes:
Aggregate fruits are the group of fruitlets which develop from the multicarpellary, apocarpous ovary. Flowers with apocarpous multiple gynoecium are apt to give rise to a number of fruits as there are a number of free ovaries, each capable of giving rise to one fruit. Berries are good example of such fruits.
