31. Dirofilariasis is another name for an infection of which parasite?
[A] Heartworm
[B] Roundworm
[C] Hookworm
[D] Tapeworm
Show Answer
Correct Answer: A [Heartworm]
Notes:
Dirofilariasis is a disease caused by Dirofilaria worm infection. Dirofilaria immitis are also known as heartworm or dog heartworm.
32. Which of the following genera of fungi is not responsible for causing ringworms?
[A] Trichophyton
[B] Microsporum
[C] Epidermophyton
[D] Macrosporum
Show Answer
Correct Answer: D [Macrosporum]
Notes:
Ringworm or round red or silver type superficial fungal infections of the skin are caused by species of Trichophyton, Microsporum, and Epidermatophyton. There are dry scaly lesions on the skin, nails, and scalp that cause intense itching.
33. Leber’s Hereditary Optic Atrophy is a type of __
[A] Chromosomal Disorder
[B] Multifactorial Genetic Inheritance
[C] Mitochondrial Inheritance
[D] Mendelian Disorder
Show Answer
Correct Answer: C [Mitochondrial Inheritance]
Notes:
Leber’s Hereditary Optic Atrophy is a type of Mitochondrial Inheritance that occurs due to mutations in a single gene and can be easily detected by pedigree analysis.
34. Wilting of plants occurs due to excessive ____:
[A] Respiration
[B] Glutation
[C] Absorption
[D] Transpiration
Show Answer
Correct Answer: D [Transpiration]
Notes:
Plant wilting occurs after excessive loss of water by transpiration and lesser absorption. i.e. rate of transpiration exceeds rate of water absorption. On a hot day, plants transpire heavily and cannot absorb water speedily to keep pace with transpiration loss, even when there is enough water.
35. The scavengers of earth are ____:
[A] Fungi
[B] Bacteria
[C] Viruses
[D] Algae
Show Answer
Correct Answer: A [Fungi]
Notes:
A scavenger is an organism that mostly consumes decaying biomass, such as meat or rotting plant material. Fungi are called as scavengers of earth as they decompose waste.
36. Pinna (external ear) is present in
____:
[A] Amphibian
[B] Fish
[C] Mammal
[D] Reptile
Show Answer
Correct Answer: C [Mammal]
Notes:
Outer Ear or Pinna is found only in terrestrial mammals. It is composed of a thin plate of yellow elastic cartilage, covered with integument, and connected to the surrounding parts by ligaments and muscles.
37. The largest part of our brain is ____:
[A] Cerebrum
[B] Hypothalamous
[C] Cerebellum
[D] Medulla oblongata
Show Answer
Correct Answer: A [Cerebrum]
Notes:
The cerebrum is the largest part of the human brain, making up about two-thirds of the brain’s mass. It has two hemispheres, each of which has four lobes: frontal, parietal, temporal and occipital. It is involved in several functions of the body including: determining intelligence; determining personality; thinking, perceiving, interpretation of sensory functions, etc.
38. Which of the following is an anti oxidant?
[A] Vitamin-B
[B] Vitamin-C
[C] Vitamin-D
[D] Vitamin-K
Show Answer
Correct Answer: B [Vitamin-C]
Notes:
Vitamin B12 contains cobalt. Deficiency of Vitamin B12 causes pernicious anaemia and inflammation of tongue and mouth. Vitamin A, Vitamin C and Vitamin E are anti-oxidants.
39. Olfactory receptors are located in our ____:
[A] Nose
[B] Tongue
[C] Ears
[D] Eyes
Show Answer
Correct Answer: A [Nose]
Notes:
Olfactory receptor, also called smell receptor, are present in the nose. It is a protein capable of binding odour molecules that plays a central role in the sense of smell (olfaction). It is responsible for the detection of odorants which give rise to the sense of smell. Activated olfactory receptors trigger nerve impulses which transmit information about odour to the brain.
40. The edible part of Cabbage is ____:
[A] Fruit
[B] Vegetative bud
[C] Condensed flower
[D] Inflorescence
Show Answer
Correct Answer: B [Vegetative bud]
Notes:
In cabbage, the edible part is vegetative bud. Vegetative buds are buds from which vegetative parts like leaves and stems arise, rather than flowers. Enlarged buds or parts of buds form the edible portion of some horticultural crops. Cabbage and head lettuce are examples of unusually large terminal buds.