Home ≫ General Knowledge ≫ Biology ≫ Page 3
21. What is the limit of MG/DL of blood sugar in the normal person at the time of fast?
  A.  70-100
  B.  120-150
  C.  40-60
  D.  160-200
     
   
View Answer

22. Thre cross-section of a stem of three has fifty rings, what is the age of the tyree?
  A.  50 months
  B.  50 years
  C.  25 years
  D.  5 years
     
   
View Answer

23. Onion is a modified from of
  A.  Leaf
  B.  Stem
  C.  Root
  D.  None of these
     
   
View Answer

24. The pollination of maize takes place by
  A.  Pollination by air
  B.  Pollination by insects
  C.  Self-pollination
  D.  Pollination by rain
     
   
View Answer

25. Why radiologists do not take direct X-ray photographs of intestine?
  A.  Intestines are affected by direct exposure to X-rays
  B.  X-rays are not able to capture clear picture
  C.  X-rays can not cross intestine
  D.  Even short exposure of X-rays causes cancer in intestine
     
   
View Answer

26. Exobiology deals with the study of:
  A.  life in other planets and space
  B.  life on the survade of the earht
  C.  Externa, characters of living organisms
  D.  life in the outer layers of atmosphere
     
   
View Answer

27. Animals do not have enzyme systems which enable them to make use of the energy from:
  A.  Carbohydrate
  B.  Water
  C.  Protein
  D.  Fat
     
   
View Answer

28. A clone is a colony of:
  A.  cells having different shapes
  B.  cells having similar shape
  C.  cells having similar genetic constitution
  D.  cells having different genetic constitutions
     
   
View Answer

29. The pollen grains of flowers polinated b insects are:
  A.  smooth and dry
  B.  rough and sticky
  C.  rough and dry
  D.  large and showy
     
   
View Answer

30. Whic one of the following substance is used for preservation of food grains?
  A.  Sodium benzoate
  B.  Vinegar
  C.  Sodium choloride
  D.  Potassium permaganate
     
   
View Answer

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