1. Meningitis is a disease which is characterized by inflammation of meninges , the covering that lie over the brain and spinal chord is caused by _______ ?
[A] Bacteria
[B] Virus
[C] Protozoa
[D] Fungi
Show Answer
Correct Answer: A [Bacteria]
Notes:
Meningitis is a disease which is characterized by inflammation of meninges, the covering that lie over the brain and spinal chord is caused by bacteria. The meninges are the three membranes that cover the brain and spinal cord.
2. Which among the following virus is also called as “Hit & Hide” Virus?
[A] RSV Virus (respiratory syncytial virus )
[B] Dengue virus
[C] Influenza virus
[D] HIV virus
Show Answer
Correct Answer: A [RSV Virus (respiratory syncytial virus )]
Notes:
RSV Virus (respiratory syncytial virus) is also called as “Hit & Hide” virus. It causes infections of the lungs and respiratory tract. It is a major cause of lower respiratory tract infections.
3. What name has been given to the fear of crossing roads?
[A] Arthrophobia
[B] Atychiphobia
[C] Aichmophobia
[D] Agyrophobia
Show Answer
Correct Answer: D [Agyrophobia]
Notes:
The fear of crossing roads is called Agyrophobia. This phobia is considered to be independent from the fear of cars, as even crossing a deserted intersection still initiates the fear reaction.
4. Which of the following is the correct definition of the Primary Productivity?
[A] Rate of photosynthesis in plants and photosynthetic bacteria as compared to the rate of plant consumption by herbivores
[B] Total amount of light energy converted to organic compounds in a given area per unit time.
[C] Rate of decomposition by the detritivores.
[D] Total biomass of the photosynthetic organisms in the ecosystem.
Show Answer
Correct Answer: B [ Total amount of light energy converted to organic compounds in a given area per unit time.]
Notes:
B is the correct answer.
5. What is an another name for blood cancer?
[A] Leukemia
[B] Carcinoma
[C] Sarcoma
[D] Melanoma
Show Answer
Correct Answer: A [Leukemia]
Notes:
Leukemia, a type of cancer found in your blood and bone marrow. It is caused by the rapid production of abnormal white blood cells. The high number of abnormal white blood cells are not able to fight infection, and they impair the ability of the bone marrow to produce red blood cells and platelets.
6. Who among the following coined the term ‘gene’?
[A] De Vries
[B] W.L. Johanssen
[C] T. H. Morgan
[D] G. Mendel
Show Answer
Correct Answer: B [ W.L. Johanssen ]
Notes:
Wilhelm Johannsen was a Danish botanist, plant physiologist, and geneticist. He is best known for coining the terms gene, phenotype and genotype, and for his 1903 “pure line” experiments in genetics.
7. Which of the following is correlated with blood pressure?
[A] Pancreas
[B] Liver
[C] Adrenal
[D] Testis
Show Answer
Correct Answer: C [Adrenal]
Notes:
Pheochromocytoma, a rare, usually benign, tumor of the adrenal glands resulting in the glands secreting excessive amounts of the hormones adrenaline and noradrenaline (catecholamines). This causes variable symptoms such as high blood pressure, sweating, etc.
8. What is study of fungus Known as?
[A] Phrenology
[B] Physiology
[C] Biology
[D] Mycology
Show Answer
Correct Answer: D [Mycology]
Notes:
Mycology is the branch of biology concerned with the study of fungi, including their genetic and biochemical properties, their taxonomy and their use to humans as a source for tinder, medicine, food, and entheogens, as well as their dangers, such as toxicity or infection.
9. When compared to the mammals, birds are less sensitive to temporary deprivation of water, because?
[A] The water requirement per unit weight is less in birds than in mammals.
[B] Absorption of water from the gut is more efficient in birds than in mammals.
[C] Urea excretion in mammals entails a greater loss of water than that in birds.
[D] None of these
Show Answer
Correct Answer: A [The water requirement per unit weight is less in birds than in mammals.]
Notes:
When compared to the mammals, birds are less sensitive to temporary deprivation of water, because the water requirement per unit weight is less in birds than in mammals.
10. Which of the following are the three important micronutrients essential for humans?
[A] Copper, zinc and iodine
[B] Zinc, copper and potassium
[C] Nitrogen, molybdenum and iodine
[D] Sulphur, copper and iron
Show Answer
Correct Answer: A [Copper, zinc and iodine]
Notes:
There are some minerals which are needed in the diet in amounts less than100mg/day. These are referred to as trace elements. These minerals include Iron, Zinc, Iodine, Manganese, Selenium and Copper. There deficiency may be rare but can prove fatal.
