Home ≫ General Knowledge ≫ Biology ≫ Page 22
211. Chocolates can be bad for health because of a high content of
  A.  Cobalt
  B.  Lead
  C.  Zinc
  D.  Nickel
     
   
View Answer

212. When a child is born, what happens to its blood circulation?
  A.  its blood carries wastes for the first time
  B.  its blood reverses its flow through the heart
  C.  its blood ceases to pass from one atrium to the other
  D.  its blood flows for the first time
     
   
View Answer

213. How many valves does a human heart have?
  A.  One
  B.  Three
  C.  Two
  D.  Four
     
   
View Answer

214. Which one of the following pairs is correctly matched?
  A.  Tetanus - BCG
  B.  Tuberculosis - ATS
  C.  Malaria -Chloroquin
  D.  Scurvy - Thiamin
     
   
View Answer

215. Match the following

  List I            List-II

a. Aquaculture        1. Silk

b. Floriculture        2. Grapes

c. Sericulture         3. Flower

d. Viticulture         4. Fisheries
  A.  a-4, b-3, c-2, d-1
  B.  a-4, b-3, c-1, d-2
  C.  a-3, b-4, c-2, d-1
  D.  a-3, b-4, c-1, d-2
     
   
View Answer

216. Tobacco smoke is injurious to health because it contains:
  A.  Polycyclic aromatic hydrocarbons
  B.  Nicotine
  C.  Carbon monoxide
  D.  Melathene
     
   
View Answer

217. The disease that is caused by virus is
  A.  Typhoid
  B.  Cholera
  C.  Malaria
  D.  Common cold
     
   
View Answer

218. Nitrogenous food is
  A.  Carbohydrate
  B.  Protein
  C.  Lipid
  D.  Salts
     
   
View Answer

219. From the bark of which plant is quinine extracted?
  A.  Cinchona
  B.  Eucalyptus
  C.  Neem
  D.  Cedar
     
   
View Answer

220. Which one of the following is called the 'digestive bag' in the cell?
  A.  Golgi body
  B.  Mitochondrion
  C.  Lysosome
  D.  Ribosome
     
   
View Answer

Copyright © 2020-2022. All rights reserved. Designed, Developed and content provided by Anjula Graphics & Web Desigining .