Human health and Disease Quiz-12
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.
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Q1. Which one of the following is a stimulant?
Solution
Stimulant drugs increase the excitement, self confidence and mental alertness temporarily. Stimulants include all the drugs that stimulate the nervous system such as caffeine, cocaine and amphetamines.
Stimulant drugs increase the excitement, self confidence and mental alertness temporarily. Stimulants include all the drugs that stimulate the nervous system such as caffeine, cocaine and amphetamines.
Q2. Some diseases are transmitted through contaminated articles. The method is called
Solution
In fomite brone method, the pathogens are spread through contaminated articles like toys, door handles, handkerchiefs, towels, etc.
In fomite brone method, the pathogens are spread through contaminated articles like toys, door handles, handkerchiefs, towels, etc.
Q3. Cocaine is the native to
Solution
Cocaine in its various forms is derived from the coca plant, which is native to the high mountain ranges of South America
Cocaine in its various forms is derived from the coca plant, which is native to the high mountain ranges of South America
Q4. Removal or absence of thymus in early life shall bring about
Solution
Q5.Choose the wrong statement regarding AIDS
Solution
AIDS (Aquired Immuno Deficiency Syndrome) is caused by HIV (Human Immunodeficiency Virus). This virus selectively infects and kills the helper T-lymphocytes. Hence, the disease is characterized by reduction in the number of helper T-lymphocytes and breakdown of the immune system of the body.
AIDS (Aquired Immuno Deficiency Syndrome) is caused by HIV (Human Immunodeficiency Virus). This virus selectively infects and kills the helper T-lymphocytes. Hence, the disease is characterized by reduction in the number of helper T-lymphocytes and breakdown of the immune system of the body.
Q6. Which of the following diseases is caused due to helminth infection?
Solution
Ascaris (the common roundworm) and Wuchereria (the filarial worm), are some of the helminths which are known to be pathogenic to man. Ascaris, an intestinal parasite causes ascariasis and Wuchereia causes filariasis
Ascaris (the common roundworm) and Wuchereria (the filarial worm), are some of the helminths which are known to be pathogenic to man. Ascaris, an intestinal parasite causes ascariasis and Wuchereia causes filariasis
Q7.The genes concerned with the production of cancer are called
Solution
Genes that induce cellular proliferation are called proto-oncogenes. The proto- oncogenes encode for growth factors, growth factor receptors, transcription factors, etc. They change into oncogene or cancer genes.
Genes that induce cellular proliferation are called proto-oncogenes. The proto- oncogenes encode for growth factors, growth factor receptors, transcription factors, etc. They change into oncogene or cancer genes.
Q8.Cell mediated immunity is mainly a function of
Solution
The T-lymphocytes mediate Cell Mediated Immunity (CMI). It is generally initiated by antigen recognition by T-cells
The T-lymphocytes mediate Cell Mediated Immunity (CMI). It is generally initiated by antigen recognition by T-cells
Q9.Identify the hepatitis virus, which cannot survive independently and requires another hepatitis virus for its multiplication
Solution
Hepatitis-D is caused by a Hepatitis-D virus (HDV), which is found in nature only as a co-infection with HBV(Hepatitis-B virus).
Hepatitis-D is caused by a Hepatitis-D virus (HDV), which is found in nature only as a co-infection with HBV(Hepatitis-B virus).
Q10. Purified antibiotic penicillin of Penicillium notatum was discovered by
Solution
Penicillin was discovered by Alexander Fleming from the fungus, Penicillium notatum. Penicillium is called green mould, which belongs to class-Ascomycetes. Today, penicillin is also obtained from P.chrysogenum.
Penicillin was discovered by Alexander Fleming from the fungus, Penicillium notatum. Penicillium is called green mould, which belongs to class-Ascomycetes. Today, penicillin is also obtained from P.chrysogenum.
