Human health and Disease Quiz-18

Dear Readers,

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. Which is not cancer?
  •  Leukaemia
  •  Trachoma
  •  Carcinoma
  •  Sarcoma
Trachoma is not a cancer. It is an eye disease, due to infection of bacteria, Chlamydia trachomatis. There is increased redness with watery fluid secretion from eye.

Q2. Fungi belonging to genera Mircoporum,Trichophyton and Epidermophyton are responsible for
  •  Ringworm
  •  Skin allergy
  •  Amoebiasis
  •  Measles
A fungus parasitic upon the skin, usually a species of Microsporum, Epidermophyton or Trichophyton is responsible for ringworm. They are also called cutaneous fungus

Q3. Which of the following birth control measure can be considered as the safest?
  •  The rhythm method
  •  The use of physical barriers
  •  Termination of unwanted pregnancy
  •  Sterilization techniques
Sterilization techniques of birth control are considered safest as these protect from infection also.

Q4. Wuchereria bancrofti is
  •  A Platyhelminthes
  •  Only host in man
  •  Causing blockage of lymphatic vessel
  •  None of the above
Wuchereria bancrofti is causes blockage of lymphatic vessel.

Q5.A sexually transmitted disease, symptomized by the development of ulcers on the genitals, is caused by the infection of
  •  Treponema pallidum
  •  Neisseria gonorrhoeae
  •  Human Immunodeficiency Virus
  •  Hepatitis-B virus
 Syphilis is caused by Treponema pallidum, a spirochaete and spread by sexual contact. The symptoms include sores or painless ulcers on lips, fingers, nipples, penis, and vagina, etc. It is highly infectious.

Q6. Genetic material found in Human Immunodeficiency Virus(HIV)is
  •  Double stranded RNA
  •  Single stranded RNA
  • Double stranded DNA
  •  Single stranded DNA
Human immunodeficiency Virus (HIV) is causal organism of AIDS (Acquired Immuno Deficiency Syndrome). It is a retrovirus belonging to the family-Retroviridae. The core of HIV contains two molecules of single standard RNA(as genetic material) and reverse transcriptase.

Q7.Drugs that cause malformations in embryo during pregnancy are called
  •  Tranquilizer
  •  Teratogens
  •  Alcoholic beverages
  •  Nicotine
Teratogens are substance or chemical compounds that cross the placenta and damage the developing foetus and cause malformations in embryo, e.g., thalidomide.

Q8.At which stage of HIV infection does one usually shows symptoms of AIDS?
  •  When viral DNA is produced by reverse transcriptase
  •  When HIV replicates rapidly in helper T-lymphocytes and damages large number of these
  •  With 15 days of sexual contact with an infected person
  •  When the infecting retrovirus enters host cells
HIV,enters into T-lymphocytes, replicates and produces progeny viruses. The progenyviruses released in the blood and damagesother helper T-lymphocytes. This is repeated leading to a progressive decrease in the number of T-lymphocytes in the body of the infected person. During this period, the person suffers from bouts of feverdiarrhoeaand weight loss. The person starts suffering from infections.

Q9.Who developed vaccine against smallpox?
  •  Lousi Pasteur
  •  Selman Waksman
  •  Edward jenner
  •  Alexander Flemming
Smallpox is an acute, highly communicable disease caused by variola virus. It has now been largely controlled through vaccination. Smallpox vaccine was first prepared by Edward Jenner in 1798.

Q10. Which one of the following is not correctly matched?
  •  Glossina palpalis - Sleeping sickness
  •  Culex - Filariasis
  •  Aedes aegypti - Yellow fever
  • Anopheles culifacies - Leishmaniasis
Leishmaniasis or Kala-azar is caused by Leishmania donovani. It spreads by sand fly. It is also known as dum-dum fever.

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Human health and Disease Quiz-18
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