31. The end of the menstrual cycle is called __.
[A] Menarche
[B] Menopause
[C] Menses
[D] Ovulation
Show Answer
Correct Answer: B [Menopause]
Notes:
Menopause in humans occurs around 55 years of age. This is the last menstruation. The normal reproductive phase lasts between menarche and menopause.
32. Which of the following is not a symptom of Anthrax?
[A] Rapid Breathing
[B] Low body temperature
[C] Discharge from nostrils
[D] Rapid heartbeat
Show Answer
Correct Answer: B [Low body temperature]
Notes:
Symptoms of Anthrax are:
1. Rapid Breathing
2. Discharge from nostrils
3. Rapid heartbeat
33. Which of the following is not a Degenerative disease?
[A] Hypertension
[B] Atherosclerosis
[C] Obesity
[D] Alzheimer’s disease
Show Answer
Correct Answer: C [Obesity]
Notes:
Obesity is not a Degenerative disease. Degenerative diseases are those diseases, which occur due to aging and result in malfunction or deficiency.
34. Chloroquine is given to treat which of the following disease?
[A] Malaria
[B] Tuberculosis
[C] Tetanus
[D] AIDS
Show Answer
Correct Answer: A [Malaria]
Notes:
Chloroquine is given to treat Malaria disease. Quinine (from the bark of Cinchona), camaquine, primaquine, and daraprim are also given to treat Malaria.
35. Mendel used which of the following one for his experiments.
[A] Pisum sativum
[B] Pisum album
[C] Oryza sativa
[D] Oryza Orientalis
Show Answer
Correct Answer: A [Pisum sativum]
Notes:
Mendel used Pisum sativum (peas)for his experiments because they saw many distinctive features in it and it could be easily grown and self-pollinated.
36. The smallest unit of genetic material that produces a phenotypic effect on mutation is called?
[A] Muton
[B] Gene
[C] Recon
[D] Nucleic acid
Show Answer
Correct Answer: A [Muton]
Notes:
The smallest unit of genetic material that produces a phenotypic effect on mutation is called Muton.
37. The Bacille Calmette-Guerin vaccine (popularly called BCG vaccine) is a vaccine to prevent which of these diseases?
[A] Polio
[B] Jaundice
[C] Tuberculosis
[D] Typhoid
Show Answer
Correct Answer: C [Tuberculosis]
Notes:
The Bacillus Calmette–Guérin (BCG) vaccine is used to prevent tuberculosis (TB). The BCG vaccine is named after Dr Albert Calmette and Dr Camille Guerin, who developed the vaccine from a germ called Mycobacterium bovis, which is similar to TB. BCG is a live vaccine that has been processed so that it is not harmful to humans. Tuberculosis is an infectious disease caused by bacteria that affects the lungs, and sometimes other parts of the body.
38. In which one of the following is swim bladder absent?
[A] Cartilaginous fish
[B] Silverfish
[C] Cuttlefish
[D] Bony fish
Show Answer
Correct Answer: A [Cartilaginous fish]
Notes:
The swim bladder is an internal gas-filled organ that contributes to the ability of a fish to control its buoyancy, and thus to stay at the current water depth without having to waste energy in swimming. The cartilaginous fish (e.g. sharks and rays) split from the other fishes about 420 million years ago and lack both lungs and swim bladders, suggesting that these structures evolved after that split.
39. Total number of muscles present in our body is ____:
[A] 556
[B] 565
[C] 656
[D] 665
Show Answer
Correct Answer: C [656]
Notes:
The number of muscles in the human body varies from about 656 to 850 (sometimes from 639 to around 800). An exact number is difficult to define because different sources group the muscles differently. Moreover, that some muscles, such as Palmaris longus, are not always present.
40. Which of the following mammals lay eggs?
[A] Bat
[B] Whale
[C] Weasel
[D] Platypus
Show Answer
Correct Answer: D [Platypus]
Notes:
The platypus, also known as the duck-billed platypus, is a semiaquatic egg-laying mammal endemic to eastern Australia, including Tasmania. Together with the four species of echidna, it is one of the five extant species of monotremes, the only mammals that lay eggs instead of giving birth.