31. The human alimentary canal runs from the mouth to the anus and is approximately how many meters long?
[A] 4 m
[B] 15 m
[C] 9 m
[D] 1 m
Show Answer
Correct Answer: C [9 m]
Notes:
The human alimentary canal runs from the mouth to the anus and is approximately 9 meters long.
32. Which of the following vitamins is stored in the liver?
[A] Vitamin K
[B] Vitamin D
[C] Vitamin E
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Vitamin K, D, and E are stored in the liver. The liver is the chemical “factory” of the body.
33. Which is the largest endocrine gland of the body?
[A] Thymus gland
[B] Pineal gland
[C] Thyroid gland
[D] Adrenal gland
Show Answer
Correct Answer: C [Thyroid gland]
Notes:
The thyroid gland is the largest endocrine gland in the body. These glands are found in front of the neck. It is found at the bottom of the throat, in the middle of the trachea.
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. Which organism’s plasmid was first used to construct recombinant DNA?
[A] Cyanobacteria
[B] Bacillus subtilis
[C] Saccharomyces cerevisiae
[D] Salmonella typhimurium
Show Answer
Correct Answer: B [Bacillus subtilis]
Notes:
Bacillus subtilis organism’s plasmid was first used to construct recombinant DNA.
36. The part of brain which controls emotional reactions in our body is ____:
[A] Hypothalamus
[B] Meninges
[C] Cerebrum
[D] Thalamus
Show Answer
Correct Answer: A [Hypothalamus]
Notes:
The brain’s limbic system controls emotional expression through the hypothalamus, which has control over the body’s emotional responses systems. The hypothalamus is responsible for regulating hunger, thirst, response to pain, levels of pleasure, sexual satisfaction, anger and aggressive behavior, etc. It also regulates pulse, blood pressure, breathing, and arousal in response to emotional circumstances.
37. BCG is vaccine meant for protection against which of the following diseases?
[A] Tuberculosis
[B] Mumps
[C] Tetanus
[D] Leprosy
Show Answer
Correct Answer: A [Tuberculosis]
Notes:
Bacillus Calmette–Guérin (BCG) vaccine is a vaccine primarily used against tuberculosis. The vaccine was originally developed from Mycobacterium bovis which is commonly found in cows. It is on the World Health Organization’s List of Essential Medicines, the most effective and safe medicines needed in a health system.
38. Blood is a connective tissue embedded in which type of intercellular matrix?
[A] Jelly like
[B] Fluid
[C] Dense
[D] None of the above
Show Answer
Correct Answer: B [Fluid]
Notes:
Blood is a fluid connective tissue. It has two components: cells and fluid matrix in which it is embedded. The liquid matrix is known as the plasma, in which blood cells are present. Blood travels all around the body in specialized blood vessels.
39. Entomology is the study of ____:
[A] Insects
[B] Birds
[C] Fossils
[D] Fungi
Show Answer
Correct Answer: A [Insects]
Notes:
Entomology, branch of anthropology and study of zoology, deals with the scientific study of insects. The Greek word entomon, meaning “notched,” refers to the segmented body plan of the insect. The zoological categories of genetics, taxonomy, morphology, physiology, behaviour, and ecology are included in this field of study.
40. DPT vaccine is categorized as which of the following?
[A] Anti viral vaccine
[B] Anti protozoan vaccine
[C] Anti ricket-sial vaccine
[D] A combined vaccine
Show Answer
Correct Answer: D [A combined vaccine]
Notes:
DPT refers to a class of combination vaccines against three infectious diseases in humans: diphtheria, pertussis (whooping cough), and tetanus. The vaccine components include diphtheria and tetanus toxoids and killed whole cells of the organism that cause pertussis (wP).
