31. Which of the following is the largest part of the brain?
[A] Forebrain
[B] Midbrain
[C] Hindbrain
[D] None of these
Show Answer
Correct Answer: A [Forebrain]
Notes:
The forebrain is the largest and front part of the brain. Parts of the forebrain include the cerebrum, hypothalamus, and thalamus.
32. Which of the following does not correct about diabetes?
[A] Diabetes insipidus is due to secretion of low levels of ADH.
[B] Diabetes mellitus is due to hyper-production of insulin.
[C] Without insulin, glucose remains in the bloodstream.
[D] All of the above
Show Answer
Correct Answer: B [Diabetes mellitus is due to hyper-production of insulin.]
Notes:
Diabetes is a disease that occurs when your blood glucose, also known as blood sugar, is too high.
33. Which of the following organ is devoid of gland?
[A] Vulva
[B] Oviduct
[C] Uterus
[D] Vagina
Show Answer
Correct Answer: B [Oviduct]
Notes:
The oviduct is the passage in animals from an ovary. Fallopian tubes, are also known as oviducts or uterine tubes.
34. Which of the following are viral diseases of animals?
[A] Venezuelan equine encephalomyelitis
[B] African swine fever
[C] Both 1 and 2
[D] Neither 1 and 2
Show Answer
Correct Answer: C [Both 1 and 2]
Notes:
Venezuelan equine encephalomyelitis and African swine fever are viral diseases of animals.
35. Which disease is caused by Yersinia pestis?
[A] Pertussis
[B] Plague
[C] Leprosy
[D] Diptheria
Show Answer
Correct Answer: B [Plague]
Notes:
Plague disease is caused by Yersinia pestis bacterium which is spread mostly by fleas on rodents and other animals.
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. The point mutation results in a change in the codon, which then codes for another amino acid is called __
[A] Silent mutation
[B] Nonsense mutation
[C] Missense mutation
[D] None of these
Show Answer
Correct Answer: C [Missense mutation]
Notes:
The point mutation results in a change in the codon, which then codes for another amino acid is called Missense mutation.
38. What is another name of rDNA technology?
[A] chimeric DNA
[B] information technology
[C] information DNA
[D] chimeric technology
Show Answer
Correct Answer: A [chimeric DNA]
Notes:
chimeric DNA is another name of rDNA technology because it can be made of material from two different species, like mythological imagery. R-DNA technology uses palindromic sequences and leads to the production of sticky and blunt ends.
39. Leptospirosis is a disease caused by ____:
[A] Fungus
[B] Protozoa
[C] Virus
[D] Bacteria
Show Answer
Correct Answer: D [Bacteria]
Notes:
Leptospirosis is a bacterial disease caused by corkscrew-shaped bacteria called Leptospira. Signs and symptoms can range from none to mild such as headaches, muscle pains, and fevers; to severe with bleeding from the lungs or meningitis. If the infection causes the person to turn yellow, have kidney failure and bleeding, it is then known as Weil’s disease.
40. In winter, at the time of hibernation, Toads maintain breathing through ____:
[A] Lungs
[B] Skin
[C] Both by Skin and Lungs
[D] Buccal cavity
Show Answer
Correct Answer: B [Skin]
Notes:
During hibernation in winter, toads or frogs spend the time tucked away deep in the soil, in the mud underwater or hidden amidst foliage or rotting plants. Outside of times of hibernation, they usually take in oxygen via the air, employing their lungs. However, during hibernation, they receive their necessary oxygen through their permeable skin. This is referred to as cutaneous gas exchange.
