Which of the following is an Autoimmune disease?
Answer: A
Systemic lupus erythematosus is an autoimmune disease.
The immune system makes antibodies against the body's own nuclear material, and the resulting inflammation affects skin, joints, kidneys, heart and brain. Anaphylaxis and farmer's lung are allergic rather than autoimmune.
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Blood is
Answer: A
Blood is slightly alkaline, at pH 7.35 to 7.45.
It is held there by the bicarbonate buffer, by the lungs regulating carbon dioxide and by the kidneys excreting acid. Outside about 6.8 to 7.8 life cannot continue.
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Who is known as "Father of Medicine"-
Answer: C
Hippocrates is called the father of medicine.
Working on Kos in the fifth century BC, he separated medicine from superstition, insisting that disease has natural causes. The Hippocratic Oath is named after him.
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Which feature do Prokaryotic and Eukaryotic cells share
Answer: B
Prokaryotic and eukaryotic cells both contain DNA.
They also share ribosomes, a plasma membrane and cytoplasm. What the prokaryote lacks is a nuclear membrane and every membrane-bound organelle, so its DNA lies free in the cytoplasm as a single circular chromosome.
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Oath taken by medical graduates is given by-
Answer: C
The oath taken by medical graduates comes from Hippocrates.
The Hippocratic Oath binds the physician to act for the patient's benefit, to do no harm and to keep confidence. Modern graduates usually take a revised version, such as the Declaration of Geneva.
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The book Historia Animalium was written by
Answer: A
Historia Animalium was written by Aristotle, in the fourth century BC.
It describes and classifies several hundred animals from his own observation and from what fishermen and hunters told him, and is the earliest systematic work of zoology. It is why he is called the father of biology.
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When it was shown that animals could reproduce geometrically but didn't, Darwin concluded that
Answer: D
Darwin concluded that populations fail to reach their reproductive potential because of selective pressures.
Every species could increase geometrically, yet numbers stay roughly stable. The difference is made up by deaths from competition, predation, disease and shortage - and which individuals die is not random.
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Food wrapped in news paper is likely to get contaminated by
Answer: C
Food wrapped in newspaper can be contaminated with lead.
Printing inks have contained lead-based pigments and driers, which transfer to oily food in contact with the print. Lead accumulates in the body and damages the nervous system, especially in children.
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Radioactivity is a phenomenon of the spontaneous emission of
Answer: D
Radioactivity is the spontaneous emission of all three: alpha particles, beta particles and gamma rays.
An alpha particle is a helium nucleus, a beta particle an electron emitted from the nucleus, and a gamma ray high-energy electromagnetic radiation. Becquerel discovered the phenomenon in uranium in 1896.
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"Acetylsalicylic Acid" is commonly known as
Answer: C
Acetylsalicylic acid is aspirin.
Introduced by Bayer in 1899, it relieves pain and fever and reduces inflammation by inhibiting the cyclo-oxygenase enzymes that make prostaglandins. In low doses it thins the blood and is taken to prevent heart attacks.
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