31. Ovarian __ consists of a white body or corpus Albicans.
[A] cortex
[B] medulla
[C] antrum
[D] luteum
Show Answer
Correct Answer: A [cortex]
Notes:
The ovarian cortex consists of a white body or corpus Albicans. It represents the degenerative corpus luteum. The corpus luteum secretes hormones. Progesterone during pregnancy, and at the end of pregnancy, the hormone relaxes.
32. Which of the following diseases can be transmitted to humans during milking?
[A] foot and mouth disease
[B] smallpox
[C] Ranikhet
[D] Cowpox
Show Answer
Correct Answer: D [Cowpox]
Notes:
Cowpox diseases can be transmitted to humans during milking. Cowpox is an infectious disease caused by the cowpox virus.
33. Dirofilariasis is another name for an infection of which parasite?
[A] Heartworm
[B] Roundworm
[C] Hookworm
[D] Tapeworm
Show Answer
Correct Answer: A [Heartworm]
Notes:
Dirofilariasis is a disease caused by Dirofilaria worm infection. Dirofilaria immitis are also known as heartworm or dog heartworm.
34. Wooden tongue in cattle is caused by which of the following bacteria?
[A] Sphaerophorus necrophorus
[B] Clostridium chauvoei
[C] Actinobacillus lignieresi
[D] Erysipelothrix insidiosa
Show Answer
Correct Answer: C [Actinobacillus lignieresi]
Notes:
Wooden tongue in cattle is caused by Actinobacillus lignieresi bacteria.
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. What is Alzheimer’s disease?
[A] It affects liver
[B] It is a disorder of the brain
[C] It affects kidney
[D] It affects human immune system
Show Answer
Correct Answer: B [It is a disorder of the brain]
Notes:
Alzheimer’s disease is a progressive neurologic disease of the brain leading to the irreversible loss of neurons and the loss of intellectual abilities, including memory and reasoning. These with time become severe enough to impede social or occupational functioning. Alzheimer’s disease is also known as simply Senile Dementia.
37. A man suffering from diabetes mellitus drinks water more frequently as he has to eliminate from the blood extra ____:
[A] Glucose
[B] Insulin
[C] Glucagon
[D] Salt
Show Answer
Correct Answer: A [Glucose]
Notes:
The diabetic person has higher sugar in blood. Glucose is a form of water soluble sugar. Excess blood sugar decreases the elasticity of blood vessels and causes them to narrow, impeding blood flow. This can lead to a reduced supply of blood and oxygen, increasing the risk of high blood pressure and damage to large and small blood vessels.
38. Which word is common in the botanical names of trees like Ashoka, Tamarind or Coral?
[A] Terminalia
[B] Indica
[C] Salix
[D] Acacia
Show Answer
Correct Answer: B [Indica]
Notes:
Tamarind tree (Tamarindus indica), Ashoka tree (Saraca Indica), Indian Coral tree (Erythrina Indica) have ‘Indica’ common in their botanical names. In biology/taxonomy, if a species originates in India, its scientific name sometimes includes “Indica”.
39. The release of which of the following into ponds and wells helps in controlling mosquitoes?
[A] Snail
[B] Crab
[C] Dogfish
[D] Gambusia fish
Show Answer
Correct Answer: D [Gambusia fish]
Notes:
The Gambusia fish, also known as larvivorous stagnant water fish. It feeds on the larvae of mosquitoes. So it helps in controlling their population. It is also called ‘mosquito fish’ and is being used as a biological control measure. Hence, a check on malaria and other vector borne diseases like even dengue.
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.
