31. How much food is harvested for food in a cow?
[A] 40 %
[B] 50 %
[C] 60 %
[D] 80 %
Show Answer
Correct Answer: C [60 %]
Notes:
60% of food is harvested for food in a cow. There are many different dairy products from cows, but some of the ones you may be most familiar with include milk, cheese, yogurt, butter, and ice cream.
32. Which of the following is not the function of skin?
[A] calcium production
[B] protection
[C] excretion of wastes
[D] temperature regulation
Show Answer
Correct Answer: A [calcium production]
Notes:
The skin’s function is to protect us from microbes and the elements help regulate body temperature and permit the sensations of touch, heat, and cold.
33. How many layers are present in the human eye?
[A] Three
[B] Four
[C] Two
[D] Nine
Show Answer
Correct Answer: A [Three]
Notes:
The eye has three main layers. These are Fibrous coat or Sclera, Vascular coat or Uveal tract, and Nervous coat or Retina.
34. Which of the following vitamins is stored in the liver?
[A] Vitamin K
[B] Vitamin D
[C] Vitamin E
[D] All of the above
Show Answer
Correct Answer: D [All of the above]
Notes:
Vitamin K, D, and E are stored in the liver. The liver is the chemical “factory” of the body.
35. The corpus luteum is the source of secretion of:
[A] LH
[B] Estradiol
[C] Estrogen
[D] Progesterone
Show Answer
Correct Answer: D [Progesterone]
Notes:
The corpus luteum is the source of secretion of Progesterone. Progesterone is a hormone released by the ovaries.
36. Which of the following is called the end part of the oviduct?
[A] isthmus
[B] ampulla
[C] ostium
[D] thalamus
Show Answer
Correct Answer: A [isthmus]
Notes:
Isthmus is called the end part of the oviduct. It is a narrow strip of land that connects two larger landmasses and separates two bodies of water.
37. Which of the following is not an endoparasite?
[A] Ticks
[B] Tapeworms
[C] Liver fluke
[D] Roundworm
Show Answer
Correct Answer: A [Ticks]
Notes:
Anaplasmosis, babesiosis, ehrlichiosis, tularemia, tick-borne relapsing fever are diseases caused by ticks. Ticks are small, blood-sucking bugs.
38. Where are the genes for cytoplasmic male sterility in plants located?
[A] Chloroplast genome
[B] Mitochondrial genome
[C] Cytosome
[D] None of these
Show Answer
Correct Answer: B [Mitochondrial genome]
Notes:
The genes for cytoplasmic male sterility in plants are located in the Mitochondrial genome.
39. Which of the following is VAM?
[A] Bioinsecticide
[B] Bioherbicide
[C] Endomycorrhiza
[D] Ectomycorrhiza
Show Answer
Correct Answer: C [Endomycorrhiza]
Notes:
VAM is Vesicular Arbuscular Mycorrhizal. It is formed by the symbiotic association between certain phycomycetous fungi and angiosperm roots.
40. Transgenic plants have desirable traits like __
[A] harmful genes
[B] herbicide resistance
[C] lactose intolerance
[D] complementary genes
Show Answer
Correct Answer: B [herbicide resistance]
Notes:
Transgenic plants have desirable traits like herbicide resistance. The inherited ability of an individual plant to survive the application of a herbicide that would kill a general population of the same species is called herbicide resistance.
