31. In which order are lizards and snakes divided into reptiles?
[A] Order Testudines
[B] Order Crocodilia
[C] Order Squamata
[D] Order Sphenodontia
Show Answer
Correct Answer: C [Order Squamata]
Notes:
In order Squamata, lizards and snakes are divided. Whereas Turtles, Tortoises, Terrapins are divided into order Testudines, Crocodiles, Alligators are divided into order Crocodilia and Tuataras are divided into order Sphenodontia.
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. What is the function of the optic nerve?
[A] relays signals between the brain and the eyes
[B] relays signals between the brain and the ears
[C] relays signals between the brain and the skin
[D] relays signals between the brain and the tongue
Show Answer
Correct Answer: A [relays signals between the brain and the eyes]
Notes:
The optic nerve relays signals between the brain and the eyes. It acts as the agent of vision.
34. How many of the following senses are there?
[A] Four
[B] Five
[C] Six
[D] None of these
Show Answer
Correct Answer: B [Five]
Notes:
There are five sense organs in the human body: eyes, ears, nose, tongue, skin.
35. The persistence of vision for the human eye is __
[A] 1/6th of a second
[B] 1/10th of a second
[C] 1/16th of a second
[D] 1/18th of a second
Show Answer
Correct Answer: C [1/16th of a second]
Notes:
The persistence of vision for the human eye is 1/16th of a second. The process of seeing begins when light rays from the objects you see pass through the cornea, the clear, dome-like structure that covers your eyes.
36. What is the process of regulating body fluids and their composition?
[A] Secretion
[B] Reabsorption
[C] Glomerular Filteration
[D] Osmoregulation
Show Answer
Correct Answer: D [Osmoregulation]
Notes:
Osmoregulation is the process of regulating body fluids and their composition.
37. Which of the following is not a symptom of rinderpest?
[A] dysentery
[B] fever
[C] overcrowding
[D] blue urine
Show Answer
Correct Answer: D [blue urine]
Notes:
Symptoms of rinderpest include constipation with hard stools containing fever, dysentery or blood, discharge from the eyes and nose, anorexia, leukopenia followed by diarrhea or diarrhea with an unpleasant odor.
38. The earliest recorded pandemic – the Black Death was speculated to be __
[A] Plague
[B] Rabies
[C] Leprosy
[D] None of the above
Show Answer
Correct Answer: A [Plague]
Notes:
The earliest recorded pandemic – the Black Death – was thought to be a plague.
39. 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.
40. Which of the following is the best fertilizer for paddy?
[A] Azolla pinnata
[B] Bacillus megatherium
[C] Rhizobium meliloti
[D] Bacillus polymyxa
Show Answer
Correct Answer: A [Azolla pinnata]
Notes:
Azolla pinnata is the best fertilizer for paddy. Azolla pinata is a species of fern that is known by several common names, including mosquito fern, winged mosquito fern, and water velvet.
