1. Who among the following is considered to be the father of antiseptic surgery?
[A] Dr. Lineus Pauling
[B] Dr. Joseph Lister
[C] Robert Koch
[D] Louis pasteur
Show Answer
Correct Answer: B [Dr. Joseph Lister]
Notes:
Dr. Joseph Lister was a British surgeon and a pioneer of the antiseptic surgery. His research into bacteriology and infection in wounds, raised his skillful operative technique, that was similar to his peers.
2. Maximum Proteins part of our food are digested in which part of our alimentary canal ?
[A] Oral cavity
[B] Small intestine
[C] Large intestine
[D] Stomach
Show Answer
Correct Answer: B [Small intestine]
Notes:
Maximum Proteins part of our food are digested in stomach and duodenum part of small intestine. Enzyme pepsin is secreted in the stomach and trypsin, chymotrypsin, and carboxypeptidase are secreted from the pancreas for digestion of protein.
3. The birth of the first child will be a fatal situation in which of the following conditions?
[A] Male Rh+ & Female Rh-
[B] Male Rh- & Female Rh+
[C] Male Rh- & Female Rh-
[D] None of the above
Show Answer
Correct Answer: A [Male Rh+ & Female Rh-]
Notes:
The Rh factor is a protein that can be found on the surface of red blood cells. If your blood cells have this protein, you are Rh positive. The birth of the first child will be a fatal situation for Male Rh+ & Female Rh-.
4. The greatest degree of genetic variability would be expected among organisms that reproduce via__?
[A] Budding
[B] Sporulation
[C] Sexual Recombination
[D] Vegetative Propagation
Show Answer
Correct Answer: C [ Sexual Recombination]
Notes:
Genetic variability is usually due to a mutation during meiosis (sexual reproduction). In the above question, the answer choices (B) and (D) are examples of asexual reproduction. They create identical offspring.
5. Which of the following is a stem vegetable?
[A] Lettuce
[B] Carrot
[C] Asparagus
[D] Onion
Show Answer
Correct Answer: C [ Asparagus]
Notes:
Asparagus is a stem vegetable. Seeds (maize, wheat, coffee and various nuts), fruit (tomato), leaves (lettuce, spinach, and cabbage), or roots (e.g. carrots and beets).
6. Who among the following has given the theory of evolution of species by natural selection?
[A] Mendel
[B] Darwin
[C] Dalton
[D] Morgan
Show Answer
Correct Answer: B [Darwin]
Notes:
Charles Robert Darwin gave the theory of evolution in his book “The Origin of Species”. The theory proposed by him is known as “The Theory of Natural Selection”.
7. Which of the following micro-organism causes diseases like polio and chicken pox?
[A] Bacteria
[B] Protozoa
[C] Algae
[D] Virus
Show Answer
Correct Answer: D [Virus]
Notes:
Poliomyelitis or polio is an infection caused by the polio virus. It is a serious disease affecting a person’s brain and spinal cord. Chickenpox, also known as varicella, is a highly contagious disease caused by the initial infection with varicella zoster virus (VZV).
8. Which of the following functions is not performed by Vitamins in the body?
[A] They act as a source of energy
[B] The act as stimulant in the growth of the body
[C] They act as agent in regulating the chemical processes in the body metabolism
[D] All of the above
Show Answer
Correct Answer: A [They act as a source of energy]
Notes:
Vitamins are considered essential nutrients because they perform hundreds of roles in the body. They help shore up bones, heal wounds, and bolster your immune system. They also convert food into energy, and repair cellular damage. They do not act as a source of energy.
9. Which of the following inferences can be drawn from the following statements?
A well balanced nutritious diet is essential for good athletes. This means
[A] Bad athletes are having under-nutritious food
[B] Well-balanced diet produces good athletes
[C] Athletes should take nutritious food
[D] None of the above
Show Answer
Correct Answer: C [Athletes should take nutritious food]
Notes:
Physical health is crucial for athletes and so is nutrition. We must take special care to get enough of the calories, vitamins. The amount of food you need depends on your age, height, weight, and sport or activity level. To keep their bodies performing optimally, endurance athletes should be familiar with these 10 important nutrients. The first seven essential supplements are the minerals calcium, iron, magnesium, potassium, selenium, sodium and zinc. Their benefits range from keeping bones strong to minimizing fatigue.
10. At which of the following ages Rennin and lactase, disappear in the human body?
[A] two
[B] three
[C] five
[D] eight
Show Answer
Correct Answer: A [two]
Notes:
By the age of two, the rennin and lactase enzymes start disappearing. However, these enzymes completely disappear by the age of eight in humans. After, this the stomach of person becomes mature enough to produce pepsin to digest the food.