1. Normal Human blood pressure is
[A] 110/110
[B] 120/70
[C] 120/80
[D] 140/60
Show Answer
Correct Answer: C [120/80]
Notes:
Blood Pressure is expressed in two numbers. The higher number is known as Systolic Pressure, or the amount of force (as measured in millimetres of mercury) that is exerted against the artery walls during a heartbeat (contraction). The lower number in the Diastolic pressure, which does the force exist while the heart is resting between beats.
2. What is the correct sequence of bioelements in the human body in decreasing order?
[A] Oxygen, Hydrogen, Carbon, Nitrogen, Calcium, Phosphorus
[B] Oxygen, Carbon, Nitrogen, Hydrogen, Calcium, Phosphorus
[C] Oxygen, Carbon, Hydrogen, Nitrogen, Calcium, Phosphorus
[D] Carbon, Oxygen, Hydrogen, Nitrogen, Calcium, Phosphorus
Show Answer
Correct Answer: C [Oxygen, Carbon, Hydrogen, Nitrogen, Calcium, Phosphorus]
Notes:
The total mass of a human body is made up of six key elements: oxygen, carbon, hydrogen, nitrogen, calcium, and phosphorus. These “bioelements” make up over 99% of the body mass. Oxygen is the most plentiful, accounting for about 65% of a human’s body mass. Carbon and hydrogen follow, then nitrogen, calcium, and phosphorus.
3. Which of the following Vitamin is required for Normal Blood Circulation ?
[A] Vitamin A
[B] Vitamin K
[C] Vitamin D
[D] Vitamin E
Show Answer
Correct Answer: B [Vitamin K]
Notes:
Vitamin K is required for Normal Blood Circulation. Vitamin K is a fat-soluble vitamin which plays a key role in helping the blood clot, preventing excessive bleeding.
4. Anesthesia which allows patients to undergo surgery without the distress and pain they would otherwise experience, has been practiced by man since ancient times. Which among the following plant is the most ancient source of anesthesia preparations?
[A] Opium (poppy)
[B] Cannabis
[C] Datura
[D] Coca
Show Answer
Correct Answer: A [Opium (poppy)]
Notes:
Anesthesia which allows patients to undergo surgery without the distress and pain they would otherwise experience, has been practiced by man since ancient times. Opium (poppy) is the most ancient source of anesthesia preparations.
5. Which among the following does not fall in the category of morbid fear or Phobia?
[A] Claustrophobia
[B] Photophobia
[C] Algophobia
[D] Anthophobia
Show Answer
Correct Answer: B [Photophobia]
Notes:
Photophobia is not a fear. It is excessive sensitivity to light and the aversion to sunlight or well-lit places,
Claustrophobia is fear of confined places,
Algophobia is fear of pain,
Anthophobia is fear of flowers,
6. The correct group of animals that suffer from the “Foot & Mouth ” disease is as follows:
[A] Only Cattle
[B] Cattle & Sheeps
[C] Cattle and Pigs
[D] Cattle, Sheeps and Pigs
Show Answer
Correct Answer: D [Cattle, Sheeps and Pigs]
Notes:
Foot and mouth disease (FMD) or hoof and mouth disease (HMD) is an infectious and sometimes fatal viral disease that affects cloven-hoofed animals. Cattle, Sheeps and Pigs are affected by the Foot & Mouth disease.
7. From the point of view of evolution of living organisms, which of the following set of animals is a correct sequence of evolution?
[A] Whale, Kangaroo, Echidna
[B] Echidna, Whale, Kangaroo
[C] Kangaroo, Whale, Echidna
[D] Echidna, Kangaroo, Whale
Show Answer
Correct Answer: D [Echidna, Kangaroo, Whale]
Notes:
From the point of view of evolution of living organisms, the correct sequence of evolution in the above options is: Echidna, Kangaroo, Whale.
8. Which of the following organelle carries on the process of cell respiration?
[A] Mitochondria
[B] Endoplasmic reticulum
[C] Golgi body
[D] Lysosomes
Show Answer
Correct Answer: A [ Mitochondria]
Notes:
Mitochondrion carries on the process of cell respiration converting glucose to ATP energy the cell can use. An organelle found in large numbers in most cells, in which the biochemical processes of respiration and energy production occur. It has a double membrane, the inner part being folded inwards to form layers.
9. Which of the following is the smallest known prokaryotic organism?
[A] Mycoplasma
[B] Bacteria
[C] Chlorella
[D] Microcystis
Show Answer
Correct Answer: A [Mycoplasma]
Notes:
Mycoplasma genitalium, a parasitic bacterium which lives in the primate bladder, waste disposal organs, genital, and respiratory tracts, is thought to be the smallest known organism capable of independent growth and reproduction.
10. Which of the following functions is not performed by Vitamins in the body? (UPSC Prelims 1982)
[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.
