31. Blood is a fluid connective tissue consisting of?
[A] plasma
[B] blood cells
[C] platelets
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Blood is a liquid connective tissue consisting of plasma, blood cells, and platelets. It circulates throughout our body, carrying oxygen and nutrients to various cells and tissues.
32. Which of the following is the nasal cavity?
[A] bone around the nose contains hollow, air-filled chambers
[B] the hollow space through which the air flows
[C] provides support to the sides of the nose
[D] None of these
Show Answer
Correct Answer: B [the hollow space through which the air flows]
Notes:
Nasal Cavity is the hollow space through which the air flows.
33. The human urinary bladder can hold up to ___ml of urine
[A] 400 ml
[B] 600 ml
[C] 800 ml
[D] 1000 ml
Show Answer
Correct Answer: A [400 ml]
Notes:
A healthy human bladder can hold between 400 and 500 milliliters of urine or about 2 cups before reaching capacity.
34. The lesser omentum connects the stomach to which structure?
[A] Diaphragm
[B] Transverse colon
[C] Oesophagus
[D] Liver
Show Answer
Correct Answer: D [Liver]
Notes:
The lesser omentum connects the stomach to the Liver. While the large omentum connects the abdomen to the transverse colon.
35. What is another name for the bulbourethral gland?
[A] Meibomian gland
[B] Prostate gland
[C] Perineal gland
[D] Cowper’s gland
Show Answer
Correct Answer: D [Cowper’s gland]
Notes:
Cowper’s gland is another name for the bulbourethral gland. Cowper’s glands are pea-sized glands. They are located below the prostate gland in the male reproductive system.
36. Which of the following can use molecular nitrogen as a nutrient?
[A] Methanomonas
[B] Mucor
[C] Rhizobium
[D] Spirogyra
Show Answer
Correct Answer: C [Rhizobium]
Notes:
Rhizobium is used molecular nitrogen as a nutrient. It is one of the vital symbiotic nitrogen-fixing bacteria.
37. Biotechnology has been defined by which of the following?
[A] The European Federation of Biotechnology (EFB)
[B] National Center for Biotechnology Information (NCBI)
[C] National Institutes of Health (NIH)
[D] National Centre for Cell Science (NCCS)
Show Answer
Correct Answer: A [The European Federation of Biotechnology (EFB)]
Notes:
Biotechnology has been defined by The European Federation of Biotechnology (EFB).
38. In human body, ligaments are made up of ____:
[A] Yellow fibres only
[B] White fibres and some yellow elastic fibres
[C] Yellow fibres and muscle fibres
[D] White fibres only
Show Answer
Correct Answer: B [White fibres and some yellow elastic fibres]
Notes:
A ligament is composed of dense fibrous bundles of collagenous fibres and spindle-shaped cells known as fibrocytes, with little ground substance. Ligaments which attaches the two different bones at a joint may be of two major types: white ligament is rich in collagenous fibres, which are sturdy and inelastic; and yellow ligament is rich in elastic fibres, which are quite tough even though they allow elastic movement.
39. Normal fasting blood sugar level per 100 ml. of blood in man is _____:
[A] 30 – 50 mg
[B] 50 – 70 mg
[C] 80 -100 mg
[D] 120 -140 mg
Show Answer
Correct Answer: C [80 -100 mg]
Notes:
The blood sugar concentration or blood glucose level is the amount of glucose (sugar) present in the blood of a human or animal. The body naturally tightly regulates blood glucose levels as a part of metabolic homeostasis. The mean normal blood glucose level in humans is about 4 mM (4 m mol/L or 72 mg/dL, i.e. milligrams/decilitre); however, this level fluctuates throughout the day.
40. Which blood group individuals are universally known as recipients because they can receive blood from any group?
[A] Group O
[B] Group A
[C] Group B
[D] Group AB
Show Answer
Correct Answer: D [Group AB]
Notes:
Blood group AB individuals are universally known as recipients because they can receive blood from any group, this is due to the presence of both A and B antigens on the surface of their RBC’s and an absence of antibodies against either A or B antigen in the plasma. However, they can only donate blood to individuals of the same AB blood group.
