HEALTH-AND-DISEASES-QUIZ-1

 BIOLOGY HEALTH AND DISEASES QUIZ-1

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 one of the following pairs is not correctly matched?

•  Vitamin-B₁₂ ________ Pernicious anaemia
•  Vitamin-B₆ _______ Loss of appetite
•  Vitamin-B₁ ________ Beri-beri
•  Vitamin-B₂ ________ Pellagar

Solution
(d) Pellagra is caused due to deficiency of vitamin-B_3(niacin or nicotinic acid).

Q2.A male showing aggressiveness, mood swings, depression, reduction of size of the testicles, decreased
sperm production, breast enlargement premature baldness. Possibly he is taking

•  Anabolic steroids
•  Heroin
•  Marijuana
•  Morphine

Solution
(a) In males drugs includes acne, increased aggressiveness, mood swings, depression and reduction of size of the testicles, decreased sperm production, potential for kidney and liver dysfunction, breast enlargement, premature baldness, enlargement of the prostate gland

Q3.  World health organization has started a number of programmes to prevent spreading of HIV infection Few such steps include
I. ensuring use of disposable needles and syringes
II. free distribution of condoms
III. advocating safe sex
IV. controlling drug abuse
Which of the steps given above are correct?

•  I and II
•  III and IV
•  II, III and IV
•  I,II, III and IV

Solution
(d) World Health Organisation has started a number of programmes to prevent the spreading of HIV infection that includes (i) making blood from blood banks safe from HIV (ii) ensuring the use of only disposal needless and syrings (iii) free distribution of condoms (iv) controlling drug abuse (v) advocating safe sex and promoting regular check-ups

Q4. AIDS virus contains

•  RNA with protein
•  DNA with protein
•  DNA without protein
•  DNA only

Solution

Q5.Active immunity may be acquired by

•  Natural infection
•  Vaccines
•  Toxoids
•  All of these

Solution
(d) When a host is exposed to antigens. Which may be in the form of living or dead microbes or proteins, antibodies are produced in the host body. This type of immunity is called active immunity. All the three options are via media through, which an antigen enters into host body

Q6. Take the odd one out.

•  Rabies, influenza, AIDS
•  Amoebiasis, giardiasis, trypanosomiasis
•  Taeniasis, ascariasis, elephantiasis
•  Cancer, tuberculosis, tetanus

Solution
(d) Rabies, influenza and AIDS are viral diseases. Amoebiasis, giardiasis and trypanosomasis are caused by Protozoa. Taeniasis, ascariasis and elephantiasis are the diseases caused by helminths but cancer, tuberculosis are tetuns are not related disease. Tuberculosis and tetanus are bacterial diseases while cancer is not.

Q7.Mast cell is a cell of …A… of vertebrate animals. Mast cells mediate inflammatory responses such as …B…….
. Mast cells store a number of different chemical mediators including …C… and …D… . Here A to D refers to

• A-immune system, B-allergic reactions, C-histamine, D-serotonin
•  A-bone marrow, B-allergic reactions, C-mucous, D-cerumen
•  A-thymus, B-allergic reactions, C-histamine, D-cerumen
•  A-immune system, B-allergic reactions, C-cerumen, D-serotonin

Solution
(a) A-Immune system, B-Allergic reactions, C-Histamine, D-Serotonin

Q8.Resistance against pathogens is due to

• Antibodies
•  RBCs
•  Haemoglobin
•  None of these

Solution
(a) Resistance against pathogens is due to antibodies. Antibody is a boodprotien produced in response to and counteracting a specific antigen.

Q9.Which one of the following is used for external application in the cure of leprosy?

•  Rice bran oil
•  Neem seed oil
•  Cotton seed oil
•  Groundnut oil

Solution
(b) Neem seed oil is used for external application in the cure of leprosy

Q10. Transmission of HIV occurs by
I. sexual contact with infected person
II. transfusion of contaminated blood
III. sharing infected needless
IV. from infected mother to her baby through placenta
Which of the statements given above are correct?

•  I and II
•  I and III
•  II, III and IV
•  I, II, III and IV

Solution
(d) Transmission of HIV-infection generally occurs by sexual contact with infected person, by transfusion of contaminated blood and blood products, by sharing infected needles as in the case of intravenous drug abusers and from infected mother to her child through placenta