31. Finger bones are also known as __?
[A] Hamate bone
[B] Girdles
[C] Phalanges
[D] Metacarpal
Show Answer
Correct Answer: C [Phalanges]
Notes:
The phalanges of the hands are the tubular bones of the fingers and thumb.
32. Which of the following are erythrocytes?
[A] White blood cells
[B] Red blood cells
[C] Platelets
[D] All of the above
Show Answer
Correct Answer: B [Red blood cells]
Notes:
Red blood cells are erythrocytes. RBCs are hermaphrodite cells and in humans without a nucleus. RBCs contain an iron-rich protein called haemoglobin.
33. B-cells and T-cells are two types of cells, which of the following are involved?
[A] Innate Immunity
[B] Active immunity
[C] Passive immunity
[D] Acquired immunity
Show Answer
Correct Answer: D [Acquired immunity]
Notes:
Acquired immunity is a type of immunity that develops when a person’s immune system reacts to a foreign substance or microorganism, or that occurs after a person receives antibodies from another source.
34. Monocytes differentiate into which kind of phagocytic cells?
[A] Neutrophil
[B] B cell
[C] Macrophage
[D] T cell
Show Answer
Correct Answer: C [Macrophage]
Notes:
Macrophages are specialized cells that are involved in the detection, phagocytosis, and destruction of bacteria and other harmful organisms. A monocyte is a type of white blood cell and it is a phagocyte.
35. Consider the following functions of the stomach:
- Temporarily store food
- Contract and relax to mix and break down food
- Produce enzymes and other specialized cells to digest food
Which of the above statements is / are correct?
[A] Only 1 and 2
[B] Only 2 and 3
[C] Only 1 and 3
[D] 1, 2 and 3
Show Answer
Correct Answer: D [1, 2 and 3]
Notes:The functions of the stomach are:
- It temporarily stores food
- It contracts and relaxes to mix and break down food
- It produces enzymes and other specialized cells to digest food
Thus, all the given statements are correct.
36. 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.
37. Which of Mendel’s laws is against the theory of Blending inheritance?
[A] Law of segregation
[B] Law of dominance
[C] Law of recessive
[D] Law of independent assortment
Show Answer
Correct Answer: A [Law of segregation]
Notes:
The law of segregation states that allelomorphs do not and do not lose their identity, but as long as they separate into different gametes, they remain together until the formation of gametes. There is no law of recurring; This is just part of the law of dominance.
38. Fermentation is a type of ____ process:
[A] Exothermic Reaction
[B] Aerobic Respiration
[C] Anaerobic Respiration
[D] Transpiration
Show Answer
Correct Answer: C [Anaerobic Respiration]
Notes:
Fermentation in food processing is the process of converting carbohydrates to alcohol or organic acids using microorganisms—yeasts or bacteria—under anaerobic conditions. It also occurs in oxygen-starved muscle cells, as in the case of lactic acid fermentation.
39. Which of the following is an example of Ball and Socket joint in humans?
[A] Hip Joint
[B] Neck Joint
[C] Wrist Joint
[D] Finger Joint
Show Answer
Correct Answer: A [Hip Joint]
Notes:
The ball and socket joint (or spheroidal joint) is a type of synovial joint in which the ball-shaped surface of one rounded bone fits into the cup-like depression of another bone. One of its example is hip joint, in which a partially spherical end lies in a socket, allowing multidirectional movement and rotation.
40. Which one of the following is known as the immovable property in the cell?
[A] Nucleic acid
[B] Fat
[C] Protein
[D] Carbohydrate
Show Answer
Correct Answer: A [Nucleic acid]
Notes:
Nucleic acids are large biological molecules essential for all known forms of life. They include DNA (deoxyribonucleic acid) and RNA (ribonucleic acid). They are merely transmitted from one generation to next.
