31. Fenestrae is absent in __
[A] Anapsida
[B] Synapsids
[C] Archosauria
[D] Lepidosatina
Show Answer
Correct Answer: A [Anapsida]
Notes:
Fenestrae is absent in Anapsida. Fenestrae is a small natural hole or opening, especially in a bone.
32. Which of the following is the middle layer of the eye?
[A] Sclera
[B] Lens
[C] Choroid
[D] Retina
Show Answer
Correct Answer: C [Choroid]
Notes:
The choroid is the layer of tissue between the retina and sclera. The choroid is filled with blood vessels that bring oxygen and nutrients to the eye.
33. Why is corneal transplantation never rejected in humans?
[A] it consists of enucleated cells
[B] it is a non-living layer
[C] it has no blood supply
[D] its cells are least penetrable by bacteria
Show Answer
Correct Answer: C [it has no blood supply]
Notes:
Corneal transplantation is never rejected in humans because it has no blood supply.
34. Which of the following part of the brain processes smell?
[A] Olfactory cortex
[B] Amygdala
[C] Olfactory bulb
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
The olfactory cortex, Amygdala, and Olfactory bulb are parts of the brain processes smell.
1. Olfactory Cortex is the portion of the cerebral cortex concerned with the sense of smell.
2. The amygdala is processing fearful and threatening stimuli.
3. The olfactory bulbs receive information about odors from the nose and send it to the brain via the olfactory tract.
35. The male accessory glands generate fluid that nourishes the sperm called __
[A] semen
[B] seminal plasma
[C] spermatogonia
[D] testosterone
Show Answer
Correct Answer: B [seminal plasma]
Notes:
The male accessory glands generate fluid that nourishes the sperm called seminal plasma and is rich in fructose, calcium, and certain enzymes.
36. Which female organ serves as the birth canal to allow the delivery of the fetus during labor?
[A] Ovaries
[B] Uterus
[C] Fallopian Tubes
[D] Vagina
Show Answer
Correct Answer: D [Vagina]
Notes:
The vagina is a female reproductive organ that serves as the birth canal to allow the delivery of the fetus during labor.
37. Which of the following is the correct order of travel of sperm through the female reproductive tract before it reaches the egg?
[A] Vagina > Fallopian tube > Uterus > Cervix
[B] Vagina > Cervix > Uterus > Oviduct
[C] Vagina > Uterus > Cervix > Oviduct
[D] Vagina > Fallopian tube > Cervix > Uterus
Show Answer
Correct Answer: B [Vagina > Cervix > Uterus > Oviduct]
Notes:
Vagina > Cervix > Uterus > Oviduct is the correct order of travel of sperm through the female reproductive tract before it reaches the egg.
38. Which of the following disease is transmitted by animal bite and saliva?
[A] Rabies
[B] Tuberculosis
[C] Tetanus
[D] AIDS
Show Answer
Correct Answer: A [Rabies]
Notes:
Rabies disease is transmitted by animal bites and saliva.
39. What is Bed Method in Vermicomposting?
[A] beds of chemicals matter are prepared
[B] beds of organic matter are prepared
[C] beds of phosphorus are prepared
[D] All of the above
Show Answer
Correct Answer: B [beds of organic matter are prepared]
Notes:
In Vermicomposting, the Bed Method in which beds of organic matter are prepared.
40. Which enzyme in the human body helps break down carbohydrates?
[A] Lipase
[B] Amylase
[C] Peptidase
[D] Protease
Show Answer
Correct Answer: B [Amylase]
Notes:
Proteases catalyse the breakdown of proteins into amino acids in the stomach and small intestine. Lipases catalyse the breakdown of fats and oils into fatty acids and glycerol in the small intestine. Amylase catalyses the breakdown of starch into maltose in the mouth and small intestine.
