1. Which among the following Vitamins helps in clotting of Blood?
[A] Vitamin C
[B] Vitamin D
[C] Vitamin E
[D] Vitamin K
Show Answer
Correct Answer: D [Vitamin K]
Notes:
Vitamin K is naturally produced by the bacteria in the intestines, and plays an essential role in normal blood clotting, promoting bone health, and helping to produce proteins for blood, bones, and kidneys.
2. Fatigue is caused because of formation and depositing of which among the following acids in Muscles?
[A] Lactic Acid
[B] Acetic acid
[C] Citric Acid
[D] Pyruvic acid
Show Answer
Correct Answer: A [Lactic Acid]
Notes:
Fatigue is caused because of formation and depositing of Lactic acid, or lactate which is a chemical by product of anaerobic respiration which is the process by which cells produce energy without oxygen around.
3. What are the two categories of cell which nervous system is made up of__?
[A] Satellite cell and Boettcher cell
[B] neurons and glial cells
[C] Gastric chief cell, Parietal cell
[D] Tendon cell and Macula densa cell
Show Answer
Correct Answer: B [neurons and glial cells]
Notes:
The Nervous system is made up of two types of cells: Glia, which regulate homeostasis, providing support and protection to the function of neurons and Neurons, which transmit signals between them and from one part of the body to another.
4. Beriberi is a result of deficiency of which of the following?
[A] Riboflavin
[B] Thaimine
[C] Pyridoxine
[D] Cobalamine
Show Answer
Correct Answer: B [Thaimine]
Notes:
Vitamine B (Thiamine) deficiency produces beriberi, Wernicke-Korsakoff syndrome, and optic neuropathy.
Beriberi is a neurological and cardiovascular disease. The three major forms of the disorder are dry beriberi, wet beriberi, and infantile beriberi. Dry beriberi is characterized principally by muscular dysfunctions, while Wet beriberi is associated with mental confusion, muscular atrophy, edema. Infantile beriberi occurs in infants breast-fed by thiamin-deficient mothers.
5. Theory of natural selection was proposed by ?
[A] Mendel
[B] Darwin
[C] Lamarck
[D] Karl Landsteiner
Show Answer
Correct Answer: B [Darwin]
Notes:
Theory of natural selection was proposed by Darwin.The theory is an explanation for adaptation and speciation. He defined natural selection as the “principle by which each slight variation [of a trait], if useful, is preserved”.
6. Which among the following is not correctly matched?
[A] Penicillin – Alexander Flemming
[B] Barometer – Torricelli
[C] X- Ray – W. Roentgen
[D] Parachute – W H carothers
Show Answer
Correct Answer: D [Parachute – W H carothers]
Notes:
Parachute was discovered by Louis Lenormand
7. Who among the following scientists is known for developing techniques for DNA fingerprinting and DNA profiling which are now used all over the world in forensic science to assist police detective work?
[A] Vernon Heywood
[B] Patrick Laidlaw
[C] Alec Jeffreys
[D] Heinz Wolff
Show Answer
Correct Answer: C [Alec Jeffreys]
Notes:
Alec Jeffreys scientists is known for developing techniques for DNA fingerprinting and DNA profiling which are now used all over the world in forensic science to assist police detective work.
8. Human Papilloma Virus is related to which of the following diseases?
[A] Prostate Cancer
[B] Cervical Cancer
[C] Lymphatic Filariasis
[D] Leukemia
Show Answer
Correct Answer: B [Cervical Cancer]
Notes:
Human papilloma virus (HPV) is a viral infection that’s passed between people through skin-to-skin contact. There are over 100 varieties of HPV. Human Papilloma Virus is 0related to Cervical cancer.
9. With respect to the cultivation of Tea, the withering process is used to __?
[A] To stop the tea leaf oxidation at a desired level
[B] To remove excess water from leaves and allows slight oxidation
[C] To alter the flavour of the tea
[D] To stop browning of tea
Show Answer
Correct Answer: B [To remove excess water from leaves and allows slight oxidation]
Notes:
Withering is used to remove excess water from the leaves and allows a very slight amount of oxidation. The process is also important in promoting the breakdown of leaf proteins into free amino acids and increase the availability of freed caffeine, both which change the taste of the tea.
10. What is the name of a group of similar cells performing a specific function?
[A] Tissue
[B] Organ
[C] Organ system
[D] Cellular organization
Show Answer
Correct Answer: A [Tissue]
Notes:
A tissue is an ensemble of similar cells and their extracellular matrix from the same origin that together carry out a specific function. Organs are then formed by the functional grouping together of multiple tissues.
