31. What is the function of structural proteins?
[A] generates contractile force
[B] controls contraction
[C] proper alignment of filaments
[D] binds O2
Show Answer
Correct Answer: C [proper alignment of filaments]
Notes:
Proper alignment of filaments is the function of structural proteins.
32. Where Kidneys are present in our body?
[A] At back, just above the waist
[B] At back, behind lungs
[C] Near belly button
[D] Behind pancreas gland
Show Answer
Correct Answer: A [At back, just above the waist]
Notes:
The kidneys are present on either side of the spine at the lower level of the rib cage, in a distal part of the abdomen partially covered by ribs.
33. Which of the following is a fat-soluble hormone?
[A] Amine hormone
[B] Peptide hormone
[C] Thyroid hormone
[D] Protein hormone
Show Answer
Correct Answer: C [Thyroid hormone]
Notes:
The thyroid is a lipid-soluble hormone whereas amine, peptide, and protein hormones are water-soluble, ranging in size from 3 to more than 200 amino acids.
34. Which of the following is the best fertilizer for paddy?
[A] Azolla pinnata
[B] Bacillus megatherium
[C] Rhizobium meliloti
[D] Bacillus polymyxa
Show Answer
Correct Answer: A [Azolla pinnata]
Notes:
Azolla pinnata is the best fertilizer for paddy. Azolla pinata is a species of fern that is known by several common names, including mosquito fern, winged mosquito fern, and water velvet.
35. Which of the following nonpathogenic products is used in various crops as well as horticulture and ornamental plants?
[A] Azotobacter
[B] Fungi
[C] Tricho-Card
[D] None of these
Show Answer
Correct Answer: C [Tricho-Card]
Notes:
Tricho-Card is a nonpathogenic product that is used in various crops as well as horticulture and ornamental plants.
36. Which one of the following endocrine gland is situated in the neck?
[A] Pituitary
[B] Thyroid
[C] Pancreas
[D] Adrenals
Show Answer
Correct Answer: B [Thyroid]
Notes:
The thyroid gland is one of the largest endocrine glands in the human body which is found in the neck. It controls how quickly the body uses energy, makes proteins, and controls how sensitive the body is to other hormones.
37. What are female gametes called as?
[A] Zygote
[B] Sperms
[C] Embryo
[D] Ova
Show Answer
Correct Answer: D [Ova]
Notes:
Female gametes are also called eggs or ova. They are created during the cellular reproduction process known as meiosis. The resulting gamete cell is a haploid cell. When the two haploid cells, the egg and sperm, fuse together during fertilization, the result is a diploid cell called a zygote.
38. What is the other name for Vitamin B2?
[A] Dextrose
[B] Riboflavin
[C] Thiamine
[D] Haemoglobin
Show Answer
Correct Answer: B [Riboflavin]
Notes:
Riboflavin, also known as vitamin B2 is an easily absorbed colored micronutrient with a key role in energy metabolism, and for the metabolism of fats, ketone bodies, carbohydrates, and proteins.
39. The presence of air bubble in blood stream is dangerous to life because _____:
[A] The flow of blood is obstructed
[B] The flow of blood increases manifold
[C] Air combines with blood forming a complex
[D] The pressure of blood increases manifold
Show Answer
Correct Answer: A [The flow of blood is obstructed]
Notes:
The presence of air bubble in blood, known as air embolism, occludes blood vessels. The flow of blood is obstructed causing strokes, heart attacks, pulmonary complications. An arterial air embolism is far more dangerous than a venous embolism since it prevents oxygenated blood from reaching the target organ and cause ischemia. It can even lead to heart attack or stroke leading to death.
40. The thymus gland produces a hormone called ____:
[A] Calcitonin
[B] Thyronine
[C] Thyroxine
[D] Thymosin
Show Answer
Correct Answer: D [Thymosin]
Notes:
The thymus is a specialized primary lymphoid organ of the immune system. Thymosin hormones are typically produced by the thymus gland and trigger the creation of T-cells, which are used by the immune system to fight disease. The thymus gland is only active until puberty beyond which it starts gradually degenerating with age.
