31. Double Vagina is found in which of the following?
[A] Monotremata
[B] Eutheria
[C] Marsupials
[D] All of the above
Show Answer
Correct Answer: C [Marsupials]
Notes:
Double Vagina is found in Marsupials (a type of kangaroo). They have different reproductive organs as compared to other organisms.
32. Chimpanzee, Gorilla, Monkey are examples of which of the following?
[A] Primates
[B] Marsupials
[C] Rodents
[D] Cetaceans
Show Answer
Correct Answer: A [Primates]
Notes:
Chimpanzee, Gorilla, Monkey are examples of Primates. The Primates are an ancient and diverse eutherian group.
33. How do neurons communicate with one another?
[A] Electrically
[B] Chemically
[C] Through weak, radio-wave-like impulses
[D] Both 1 & 2
Show Answer
Correct Answer: D [Both 1 & 2]
Notes:
Neurons communicate with each other through electrical events called ‘action potentials’ and chemical neurotransmitters.
34. What are the shape of the malleus and aural bone marrow?
[A] Oval shaped
[B] Hammer shaped
[C] Horseshoe-shaped
[D] None of the above
Show Answer
Correct Answer: B [Hammer shaped]
Notes:
Hammer-shaped is the shape of the malleus and aural bone marrow. In the middle ear between the incus and the eardrum, malleus are found.
35. 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.
36. Which systems protect our body against disease-causing microbes?
[A] Immune system
[B] Digestive system
[C] Excretory system
[D] Respiratory system
Show Answer
Correct Answer: A [Immune system]
Notes:
The immune system protects our body against disease-causing microbes. The main parts of the immune system are white blood cells, antibodies, complement system, lymphatic system, spleen, thymus, and bone marrow.
37. Which hormone regulates adrenocorticotropin release in the pituitary gland?
[A] Thyrotropin releasing hormone
[B] Corticotropin releasing hormone
[C] Gonadotropin releasing hormone
[D]
Thyroid-stimulating hormone
Show Answer
Correct Answer: B [Corticotropin releasing hormone]
Notes:
The corticotropin-releasing hormone regulates adrenocorticotropin release in the pituitary gland.
38. Into how many structural regions is the oviduct divided?
[A] Two
[B] Three
[C] Four
[D] None of these
Show Answer
Correct Answer: B [Three]
Notes:
Into three structural regions is the oviduct divided: ampulla, isthmus, and infundibulum
39. What diseases are caused by Staphylococcus aureus?
[A] skin infections
[B] endocarditis
[C] osteomyelitis
[D] All of these
Show Answer
Correct Answer: D [All of these]
Notes:
Skin infections and sometimes pneumonia, endocarditis, and osteomyelitis diseases are caused by Staphylococcus aureus. It is a type of Gram-positive round-shaped bacteria.
40. Which of the following ringworm is also called Tinea barbae?
[A] Ringworm of Scalp
[B] Ringworm of Beard
[C] Ringworm of Body
[D] Ringworm of Groin
Show Answer
Correct Answer: B [Ringworm of Beard]
Notes:
The ringworm of Beard is also called Tinea barbae. This is a superficial fungal infection of the skin, hair, and hair follicles caused by dermatophytes.