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Human health and Disease Quiz-14

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NEET is the most famous and important medical entrance examination held in our country. This exam is an objective type, an offline test which includes 4 sections namely– Physics, Chemistry, Botany, and Zoology. The maximum marks that can be scored are 720 marks and have 180 questions. About half of the paper consists of questions from Biology, as the NEET exam essentially focuses on capacitating students to go for seats in medical courses. One of the most significant and crucial sections in the NEET exam is of Biology. It comprises of theories, descriptions, discoveries, diagrams, definitions, explanations of differences, and relations. The majority of the topics covered in the NEET syllabus are from the NCERT syllabus of Class 11 & 12 and other related sources become part of the rest of the syllabus. Clear Exam curates a list of articles selected by professionals who recommend the highly vital topics for NEET exams. The table below takes you directly to the respective topic where the in-depth article and the MCQs are available for an easy and productive learning experience. Prior to solving NEET question papers or practicing mock tests, you must ensure to study the basic concepts in NEET and practice a few sample questions related to this exam. Students will be covered for all their studies as the topics are available from basics to even the most advanced. .

Q1. Aspirin is a/an
  •  Antibiotic
  •  Antipyretic
  •  Antiseptic
  •  None of these
Solution
Aspirin is an antipyretic drug

Q2. Quinine used for treatment of malarial fever, is extracted form
  •  Atropa belladona
  •  Cinchona officinalis
  •  Aconitum napellus
  •  Rauwolffia serpentina
Solution
Quinine is obtained from the bark of Cinchona officinalis (family-Rubiaceae). The bark of this plant contains about 30 alkaloids including quinine, cinchonine, quinidine and cichonidine. It is used for the treatment of malaria fever.

Q3. 

  •  A-Phase of slow growth B- Phase of exponential growth C- Phase of diminishing growth D-Stationary phase
  •  A- Phase of rapid growth B- Phase of diminishing growth C- Stationary phase D- Phase of slow growth
  •  A- Diminishing growth B- exponential growth C- Slow growth D- Stationary phase
  •  A- Stationary phase B- Phase of slow growth C- Phase of rapid growth D- Phase of diminishing growth
Solution
Many investigators have plotted size or weight of an organism against time producing a growth curve (a simple S-shaped curves). It shows the first lag phase or phase of slow growth, second phase of exponential growth , third phase of diminishing growth and last stationary phase

Q4. Which of the following toxic substances is responsible for the high malarial fever?
  •  Haemoglobin
  •  Haemocyanin
  •  Haemozoin
  •  Haemoriden
Solution
Release of a toxic substance, haemozoin is responsible for chill and high malarial fever

Q5.The best HLA(Human Leucocyte Antigen) match for transplants in order of preference is
  •  Parent>sibling>twin>unrelated donor
  •  Sibling> twin> Parent> unrelated donor
  •  twin> unrelated donor> parent> sibling
  •  Twin> sibling> Parent> unrelated donor
Solution
 The best HLA match for transplants in order of preference is as follows: Identical twins>sibling(brother and sister)>parent>unrelated donor

Q6. The incubation period for hepatitis-B virus is
  •  15-20 days
  •  30-180 days
  • 42-56 days
  •  One weak
Solution
Incubation period of hepatitis-B virus is form 30 to 180 days.

Q7.The function of IgE is
  •  Mediate in allergic response
  •  Activation of B-cells
  •  Protection from inhaled and ingested pathogens
  •  Stimulation of complement system, passive immunity of foetus
Solution
IgE plays a major role in allergic reactions by sensitizing cells to certain antigens.

Q8.Allergy involves
  •  IgE
  •  IgG
  •  IgA
  •  IgM
Solution
Allergy is the hypersensitiveness of a person to some foreign substances coming in contact with or entering in the body. IgE constitute about .002% of the total serum antibodies. IgE molecules bind tightly by their F_c end to receptor on mast cells and basophils, which are specialized cells that participate in allergic reactions.

Q9.The organism, which causes pneumonia in human beings is
  •   Atrichous
  •  Monotrichous
  •  Amphitrichous
  •  peritrichous
Solution
Diplococcos pneumoniae bacterium is a causative agent of pneumonia disease in human beings. This is a spherical shaped (coccoid) bacterium. Generally, coccoid bacterium does not contain flagella, this condition is known atrichous.

Q10. The drug useful to increase cardiovascular effects in human beings is
  •  Cocaine
  •  Barbiturate
  •  Benzodiazepine
  • Insulin
Solution
Cocaine obtained from Erythroxylon coca (coca or cocaine) plant is useful to increase cardiovascular effects in human beings.

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Human health and Disease Quiz-14
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