1. Which among the following is not present in pure sugar ?
[A] Carbon
[B] Hydrogen
[C] Nitrogen
[D] Oxygen
Show Answer
Correct Answer: C [Nitrogen]
Notes:
Pure Sugar is sucrose C12H22O11.
2. Enterobius vermicularis which affect the caecum and vermiform appendix is commonly called as ?
[A] Tapeworm
[B] Pinworm
[C] Threadworm
[D] Ringworm
Show Answer
Correct Answer: B [Pinworm]
Notes:
Enterobius vermicularis which affect the caecum and vermiform appendix is commonly called as Pinworm. Pinworms are tiny, narrow worms and are white in color and less than a half-inch long.
3. Which of the following Vitamin is essential for the formation of collagen?
[A] Vitamin A
[B] Vitamin B
[C] Vitamin C
[D] Vitamin D
Show Answer
Correct Answer: C [Vitamin C]
Notes:
Vitamin C is essential for the formation of collagen. The process of collagen synthesis occurs mainly in the cells of fibroblasts which are specialized cells with the main function of synthesizing collagen and stroma.
4. The disorder “Pityriasis simplex capillitii ” is most commonly known as which among the following?
[A] Tulip fingers
[B] Dandruff
[C] Baldness
[D] Eczema
Show Answer
Correct Answer: B [Dandruff]
Notes:
The disorder “Pityriasis simplex capillitii ” is most commonly known as dandruff. Dandruff is a skin condition that mainly affects the scalp.
5. A person with “Bombay Blood group” can receive blood from a person who is from____?
[A] A Group or B Group
[B] AB Group
[C] O Group
[D] None of them
Show Answer
Correct Answer: D [None of them]
Notes:
Bombay Blood Group is an extremely rare ABO group, called so because it was first discovered among some people in Bombay. Their red cells lack ABH antigens and their sera contain anti-A and anti-B and anti-H. The anti-H would not be detected in the ABO group but would be detectable in pretransfusion tests. People who have Bombay phenotype can donate to any member of the ABO blood group system (unless some other blood factor gene, such as Rhesus, is incompatible), but they cannot receive any member of the ABO blood group system`s blood (which always contains one or more of A and B and H antigens), but only from other people who have Bombay phenotype
6. Which of the following branch of biology deals with the study and rearing of grasses?
[A] Agrostology
[B] Agronomy
[C] Dendrology
[D] Phenology
Show Answer
Correct Answer: A [Agrostology]
Notes:
Agrostology, the branch of botany concerned with the study of grasses, especially their taxonomy.
7. Phototropism Theory is related to which of the following scientist?
[A] Jane Goodall
[B] Charles Darwin
[C] Francis Galton
[D] None of these
Show Answer
Correct Answer: B [Charles Darwin]
Notes:
Plant physiologists have investigated phototropism for over 100 years. The best known early research on phototropism was by Charles Darwin.
8. Which of the following vitamins was discovered by Sir Edward Mellanby?
[A] Vitamin C
[B] Vitamin D
[C] Vitamin K
[D] Vitamin E
Show Answer
Correct Answer: B [Vitamin D]
Notes:
Vitamin D was discovered by Sir Edward Mellanby.
9. Which of the following was invented by Jonas Salk?
[A] Polio Drop
[B] Polio Vaccine
[C] BCG Vaccine
[D] aspirin
Show Answer
Correct Answer: B [Polio Vaccine]
Notes:
The first effective polio vaccine was developed in 1952 by Jonas Salk. Polio, or poliomyelitis, is a disabling and life-threatening disease caused by the poliovirus.
10. Syphilis is caused by which of the following bacteria?
[A] Treponema pallidum
[B] Yersinia pestis
[C] Neisseria gonorrhoeae
[D] Campylobacter
Show Answer
Correct Answer: A [Treponema pallidum]
Notes:
Syphilis is caused by a bacterium called Treponema pallidum and it is spread through contact with a wound of an infected person during sexual activity.