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. Study the following sentences.
I. The cells of malignant tumours divide erratically.
II. They are malignant tumours of epithelial cells.
III. They are malignant tumours of organs that originate from mesoderm.
IV. These tumours are found in organs such as spleen and lymph nodes.
Which of the above are true for angiosarcoma?
  •  I and II
  •  II and IV
  •  I and III
  •  II and III
(c) Tumour that spreads and eventually caused ill health and death are described as malignant results from a breakdown of the regulatory mechanisms that govern normal cell behaviour. Sarcoma is a cancer of primitive mesoderma tissue and involves malignant tumours the cells of which divide erratically.

Q2.Main source of amoebic dysentery is
  •  Contaminated food and water
  •  Water and food contaminated by the faecal matter
  •  Water and food contaminated by urine
  •  Water and food contaminated by polluted air
(b) Amoebic dysentery is caused by an intestinal endoparasite, Entamoeba histolytica, found in large intestine of humans. Infection takes place through contaminated food and water

Q3.  The figure given below shows an antibody molecule. Name the parts A,B and C

  •  A-Antigen binding site, B-Heavy chain, C-Light chain
  •  A-Antibody binding site, B-Light chain, C-Heavy chain
  •  A-Antigen binding site, B-Short chain, C-Long chain
  •  A-Antibody binding site, B-Long chain, C-Short chain
(a) A-Antigen binding site, B-Heavy chain, C-Light chain

Q4. Cancer causing viruses are called
  •  Oncogenic viruses
  •  Retroviruses
  •  Adenoviruses
  •  Poxviruses
(a) An oncogene is a gene that has the potential to cause cancer. In tumour cells, they are often mutated of expressed at high levels. Tumour virus or cancer causing viruses are called oncogenic viruses
Q5.Widal test is used for the diagnosis of
  •  Malaria
  •  Pneumonia
  •  Tuberculosis
  •  Typhoid
(d) Widal test is bacterial agglutination test, originally introduced by Widal for the diagnosis of typhoid fever.

Q6. WEach antibody has …A… polypeptide chains, …B… small chains called ….C… chains and …D… longer chains called …E… chains The antibody, therefore, is represented as …F… Here A to F refers to
  •  A-four, B-two, C-light, D-two, E-heavy, F-H2 L2
  •  A-six, B-three, C-light, D-three, E-heavy, F-H3 L2
  •  A-two, B-one, C-light, D-one, E-heavy, F-H1 L1
  •  A-five, B-two, C-light, D-three, E-heavy, F-H2 L2
(a) A-Four, B-Two, C-Light, D-Two, E-Heavy, F-H2 L2

Q7.Cirrhosis is
  • Alcohol related disease
  •  Smoke related disease
  •  Junk food related disease
  •  Polluted air related disease
(a) Alcohol can cause inflammation in the liver. Over time, scarring and cirrhosis can occur. Cirrhosis is the final phase of alcoholic liver disease

Q8.Who among the following established the scientific basis of vaccination?
  • Edward Jenner
  •  George Kohler
  •  Louis Pasteur
  •  Von Behring
(a) Edward Jenner(1796), an English physician prepared the first vaccine when he injected the fluid from the sore of milkmaid suffering from cowpox into the body of a healthy boy which when exposed later to smallpox, exhibited resistance to the disease. Louis Pasteur (1879) found that ageing cultures of cholera bacteria were too weak to cause disease, when injected into chickens. But chickens injected with these cultures became immune of fowl-cholera. By using this method, Pasteur developed a vaccine against rabies in 1885. l organs

Q9.AIDS day is
  •  1 May
  •  1 December
  •  1 June
  •  1 January
(b) AIDS day is 1st December

Q10. Which one of the followin pairs is not correctly matched?
  •  Streptomyces - Antibiotic
  •  Serratia - Drug Addiction
  •  Spirulina - Single cell protein
  •  Rhizobium- Biofertilizer
(d) Serratia is a harmful human pathogen, which has been known to cause urinary tract infections, wound infections, pneumonia.

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