11. Which of the following is the most common use of the reserprine derived from the plant ‘Serpentina’?
[A] Alleviate pain
[B] Alleviate high blood pressure
[C] Alleviate low blood pressure
[D] Cure rickets
Show Answer
Correct Answer: B [Alleviate high blood pressure]
Notes:
Reserpine drug is derived from the roots of certain species of the tropical plants. It is derived from the powdered whole root of the Indian shrub Rauwolfia serpentine. It can be used to treat snakebites, insomnia, hypertension (high blood pressure), and insanity.
12. The temperature for pasteurisation of milk is selected so as to fulfil which among the following purposes?
[A] Kill the micro-organisms
[B] Kill all bacteria
[C] Store it for long time without coagulation
[D] Kill the micro organisms and other harmful bacteria
Show Answer
Correct Answer: D [Kill the micro organisms and other harmful bacteria]
Notes:
Pasteurization is the process of heating milk up and then quickly cooling it down to eliminate certain bacteria and all other microorganisms. More common is heating milk up to at least 161.6 degrees Fahrenheit for 15 seconds. There are following methods that are most commonly used:
• High Temperature, Short Time (HTST) method – This method requires that the milk be held at 161 degrees for 16 seconds.
• Ultra-Pasteurization (UP) – This is the type of pasteurization that you will most commonly see on cartons of milk, half-and-half and heavy cream.
13. Rickets is caused due to the deficiency of which of the following vitamins?
[A] Vitamin A
[B] Vitamin D
[C] Vitamin C
[D] Low intake of proteins
Show Answer
Correct Answer: B [Vitamin D]
Notes:
Rickets is a skeletal disorder that’s caused by a lack of vitamin D, calcium, or phosphate. These nutrients are important for the development of strong, healthy bones. People with rickets may have weak and soft bones, stunted growth, and, in severe cases, skeletal deformities.
14. Which of the following clearly define Lineage?
[A] A straight line joining any two points on the globe
[B] The line of descendants of a particular ancestor
[C] The paleolithic age
[D] The linking of genes
Show Answer
Correct Answer: B [The line of descendants of a particular ancestor]
Notes:
A lineage is a single line of descent or linear chain within the tree while a clade is a monophyletic group, containing a single ancestor and all its descendants. Phylogenetic trees are typically created from DNA, RNA or protein sequence data.
15. The saliva helps in the digestion of which of the following materials?
[A] Starch
[B] Proteins
[C] Fibers
[D] Fats
Show Answer
Correct Answer: A [Starch]
Notes:
The digestive functions of saliva include moistening food, and helping to create a food bolus, so it can be swallowed easily. Saliva contains the enzyme amylase that breaks some starches down into maltose and dextrin. Thus, digestion of food occurs within the mouth, even before food reaches the stomach.
16. Corpus luteum is a mass of cells found in which organ?
[A] brain
[B] ovary
[C] pancreas
[D] spleen
Show Answer
Correct Answer: B [ovary]
Notes:
The corpus luteum is a hormone-secreting structure that forms in the ovary after an egg has been released during ovulation. It is made up of cells that were part of the follicle that contained the egg, and it produces the hormones progesterone and estrogen, which help to support pregnancy. The corpus luteum is important for maintaining the lining of the uterus and preparing the body for pregnancy. If pregnancy does not occur, the corpus luteum will break down and be absorbed by the body.
17. Which of the following studies deals with muscles?
[A] Sarcology
[B] Syndesmology
[C] Tectology
[D] Kinesiology
Show Answer
Correct Answer: A [Sarcology]
Notes:
The definition of sarcology is the study or treatment of the fleshly parts of the body.
18. Who among the following discovered Vitamin C?
[A] Albert Szent-Györgyi
[B] Funk
[C] Evans and Bishop
[D] Henrik Dam
Show Answer
Correct Answer: A [Albert Szent-Györgyi]
Notes:
Albert Szent-György is the scientist who discovered Vitamin C. Vitamin C is a water-soluble vitamin. The chemical name is Ascorbic acid.
19. Who among the following is considered to be the father of DNA?
[A] James Watson
[B] Hargobind Khurana
[C] Alec Jeffereys
[D] Leslie Orgel
Show Answer
Correct Answer: A [James Watson]
Notes:
James Dewey Watson is an American molecular biologist, geneticist, and zoologist. In 1953, he co-authored with Francis Crick the academic paper proposing the double helix structure of the DNA molecule.
20. Who was awarded the Nobel Prize in Medicine for the discovery of cell signalers?
[A] Alfred G. Gilman
[B] Martin Rodbell
[C] Both 1 & 2
[D] None of these
Show Answer
Correct Answer: C [Both 1 & 2]
Notes:
Alfred G. Gilman and Martin Rodbell were awarded the Nobel Prize in Medicine for the discovery of cell signalers called G-proteins.
