31. 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.
32. Which is the smallest Endocrine gland?
[A] Pituitary gland
[B] Pineal gland
[C] Pineal gland
[D] Adrenal gland
Show Answer
Correct Answer: A [Pituitary gland]
Notes:
The pituitary gland is one of the smallest glands of the human body and it secretes the most number hormones in the body. It is also known as the master gland of the human body.
33. What hormones do the parathyroid gland produce?
[A] thyroid hormones
[B] parathormone
[C] prolactin
[D] All of the above
Show Answer
Correct Answer: B [parathormone]
Notes:
The parathyroid glands secrete parathyroid hormone or parathormone. The parathyroid glands are two pairs of small, oval-shaped glands.
34. The type of placenta found in humans is called __.
[A] Discoidal
[B] Cotyledonary
[C] Zonary
[D] Diffuse
Show Answer
Correct Answer: A [Discoidal]
Notes:
Placenta found in humans is called discoidal. It is a placenta in which the chorionic villi are arranged in a circular plate.
35. The opening of the infundibulum into the body cavity is called?
[A] isthmus
[B] ampulla
[C] ostium
[D] thalamus
Show Answer
Correct Answer: C [ostium]
Notes:
The opening of the infundibulum into the body cavity is called the ostium.
36. Tetanus is caused by which of the following causative agent?
[A] Vibrio cholerae
[B] Corynebacterium diptheriae
[C] Treponema pallidum
[D] Clostridium tetani
Show Answer
Correct Answer: D [Clostridium tetani]
Notes:
Tetanus is caused by Clostridium tetani bacteria. This is a serious disease of the nervous system.
37. Which is one of the essential nutrients for the growth and development of plants?
[A] Potassium
[B] Phosphorus
[C] Nitrate
[D] Sodium
Show Answer
Correct Answer: B [Phosphorus]
Notes:
Phosphorus is one of the essential nutrients for the growth and development of plants.
38. Klenow fragment is derived from which of the following?
[A] DNA Ligase
[B] DNA Pol-I
[C] DNA Pol-II
[D] Reverse Transcriptase
Show Answer
Correct Answer: B [DNA Pol-I]
Notes:
Klenow fragment is derived from DNA Pol-I. A Klenow fragment is a large protein fragment. It is enzymatically cleaved by the protease subtilisin to DNA polymerase from E. coli.
39. What are the two main technologies that enabled the birth of modern biotechnology?
[A] red biotechnology and green biotechnology
[B] classical and traditional biotechnology
[C] genetics and mathematics
[D] genetic engineering and maintenance of a sterile environment
Show Answer
Correct Answer: D [genetic engineering and maintenance of a sterile environment]
Notes:
Genetic engineering and maintenance of a sterile environment are the two main technologies that enabled the birth of modern biotechnology.
40. In which of the following class are the pulse producing plants kept?
[A] Liliaceae
[B] Solanaceae
[C] Malvaceae
[D] Leguminosae
Show Answer
Correct Answer: D [Leguminosae]
Notes:
Pulses are part of the legume family, but the term “pulse” refers only to the dried seed. Dried peas, edible beans, lentils and chickpeas are the most common varieties of pulses. The term “legume” refers to the plants whose fruit is enclosed in a pod. Other well-known legumes include alfalfa, clover, fresh peas, lupins, mesquite, soy and peanuts.
