31. Which of the following birds cannot fly?
[A] Kiwi
[B] Ostrich
[C] Penguin
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Kiwi, Ostrich, Kakapo, Steamer duck, Takahe, Cassowary, Weka, and Penguin birds cannot fly.
32. The reflex actions that involve the brain are called which of the following?
[A] Stimulus
[B] Cerebral reflexes
[C] Spinal reflexes
[D] Reflex arc
Show Answer
Correct Answer: B [Cerebral reflexes]
Notes:
The reflex actions that involve the brain are called Cerebral reflexes. Cerebral reflexes are those reflexes that involve the brain, which is the process of thinking.
33. Conductive hearing loss can be caused by__
[A] Ear infections
[B] Loss of the small hairs in the cochlear
Loss of the small hairs in the cochlear
[C] Nerve damage
[D] Loud noise
Show Answer
Correct Answer: A [Ear infections]
Notes:
There are three types of hearing loss: conductive, sensorineural, or a combination of both.
Conductive hearing loss is caused by a buildup of wax in the outer ear or middle ear, scarring of the eardrum after repeated middle ear infections, or destruction of the small bones in the ear.
34. Name the longest and heaviest bone of the body?
[A] Femur
[B] Fibula
[C] Tibia
[D] Ilium
Show Answer
Correct Answer: A [Femur]
Notes:
The thigh bone or femur is the longest and strongest bone in your body.
35. What is the name of the smallest muscle?
[A] Gutters Maximus
[B] Antagonists
[C] Stapedius
[D] None of the above
Show Answer
Correct Answer: C [Stapedius]
Notes:
The stapedius is the smallest skeletal muscle in the body, about 1 mm in length.
36. The main function is to transport oxygen to and from various tissues and organs:
[A] Leucocytes
[B] Erythrocytes
[C] Platelets
[D] Plasma
Show Answer
Correct Answer: A [Leucocytes]
Notes:
The main function of Leucocytes is to transport oxygen to and from various tissues and organs.
37. The outermost layer of the ovary is made up of ___.
[A] simple cuboidal cells
[B] stereocilia
[C] stroma
[D] cilia
Show Answer
Correct Answer: A [simple cuboidal cells]
Notes:
Ovarian or germinal epithelium is the outermost layer of the ovary composed of simple cuboidal cells. It is actually a modified visceral peritoneum.
38. Homozygosity and heterozygosity of an individual can be determined by __
[A] Back cross
[B] Self-fertilization
[C] Test cross
[D] All of the above
Show Answer
Correct Answer: C [Test cross]
Notes:
An experimental cross of an individual organism of dominant phenotype but unknown genotype and an organism with a homozygous recessive genotype is known as a test cross.
39. Sugar crops to produce __
[A] biomethane
[B] bioethanol
[C] biobutanol
[D] None of these
Show Answer
Correct Answer: B [bioethanol]
Notes:
Bioethanol is produced by fermentation of residues from corn, potatoes, cereals, sugar beets, sugarcane and vegetables.
40. The edible part of an onion is ____:
[A] Fleshy leaves
[B] Aerial stem
[C] Modified root
[D] Aerial flower
Show Answer
Correct Answer: A [Fleshy leaves]
Notes:
The edible portion in an onion is swollen leaves with a bit of stem. They are bulbs which, like garlic and leeks, are modified stems in which the primary storage tissue is expanded leaf bases. They come in white, yellow, and red varieties. The swollen leaves have sugar as stored food in them.