31. 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.
32. A hormone, which is released by the posterior pituitary:
[A] Oxytocin
[B] TSH
[C] ICSH
[D] Prolactin
Show Answer
Correct Answer: A [Oxytocin]
Notes:
A hormone, which is released by the posterior pituitary is Oxytocin. The posterior pituitary does not synthesize hormones, but it is able to store and release the two hormones.
33. Which of these are the primary sex organs of the female reproductive system?
[A] fallopian tubes
[B] ovaries
[C] uterus
[D] cervix
Show Answer
Correct Answer: B [ovaries]
Notes:
Ovaries are the primary sex organs of the female reproductive system. They produce the female gamete (ovum) and several steroid hormones.
34. What are the symptoms of brucellosis in animals?
[A] arthritis in cows and pigs
[B] mastitis and lameness in goats
[C] oozing skin lesions in horses
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Arthritis in cows and pigs, mastitis and lameness in goats, and oozing skin lesions in horses are the symptoms of brucellosis in animals.
35. What can be associated with the theory of evolution?
[A] Charles Darwin
[B] Mendel
[C] Stanley Miller
[D] Harold Urey
Show Answer
Correct Answer: A [Charles Darwin]
Notes:
Charles Darwin can be associated with the theory of evolution. Evolution is the change in the characteristics of a species over several generations and depends on the process of natural selection.
36. The conversion of N2 to ammonia is known as __
[A] Nitrification
[B] Nitrogen fixation
[C] Ammonification
[D] Denitrification
Show Answer
Correct Answer: B [Nitrogen fixation]
Notes:
The conversion of N2 to ammonia is known as Nitrogen fixation.
37. Which of the following is the first GM crop in India?
[A] mustard
[B] brinjal
[C] potato
[D] None of these
Show Answer
Correct Answer: B [brinjal]
Notes:
Brinjal is the first GM crop in India. Genetically modified crops are plants used in agriculture and the DNA of which has been modified using genetic engineering methods.
38. Which of the following is divalent cations are usually used to make competent cells?
[A] Carbon
[B] Nitrogen
[C] Copper
[D] Calcium
Show Answer
Correct Answer: D [Calcium]
Notes:
Calcium is divalent cations that are usually used to make competent cells.
39. Activity of an enzyme can be modulated by change of
____:
[A] pH
[B] Light
[C] Humidity
[D] Rainfall
Show Answer
Correct Answer: A [pH]
Notes:
Changes in pH which can accompany metabolic process such as respiration (aerobic glycolysis for example) can alter the conformation of an enzyme and hence enzyme activity such as salivarya mylase is effective in neutral condition, pepsin in acidic condition l.5 (less than pH 7) and trypsin in basic condition (more than pH 7).
40. pH of the human blood is ____:
[A] Slightly Acidic
[B] Highly Acidic
[C] Slightly Basic
[D] Highly Basic
Show Answer
Correct Answer: C [Slightly Basic]
Notes:
Acidity and alkalinity are expressed on the pH scale, which ranges from 0 (strongly acidic) to 14 (strongly basic or alkaline). A pH of 7.0, in the middle of this scale, is neutral. Blood is normally slightly basic, with a normal pH range of 7.35 to 7.45.
