Practice Some Basic Questions on Biology


1.What is the pH value of  blood                                                              
     7.4

2.Which is the largest gland of human body                                            
   Liver

3.Which blood group is known as 'Universal Donor'                               
  O group    

4.Which blood group is known as 'Universal Recipient'                          
  AB  group    

5. Which disease is also known as 'Christmas disease'                          
  Hemophilia 

6.The largest flower in the world                                                              

 Rafflessia   

7.The smallest flower in the world                                                            
  
Wolffia

 8.The movement of plants in response to the force of gravity                 

geotropism

9.Plants growing on rocks known as                                                        

Lithophytes

10.The plant hormone that controls fruit ripening is                                  

  Ethylene

11.Plants that grow in saline water                                                           

 Halophytes

12.The site of photosynthesis is                                                                

Chloroplast

13.The core metal of chlorophyll is                                                           

 Magnesium

14.----gives yellow colour to leaves flowers and fruits                              

Xanthophyll

15.The study of Lizards                                                                            

 Saurology 

16.Sweetest natural sugar                                                                        

Fructose             

17.The name of the first successfully cloned deer                                     
   
 Dewey

18.Basic building block of human body                                                          

Cells

19.Which part of human body coordinates the functions of various organs 
  
 Brain

20.Rubber is obtained from                                                                            

 Latex      

21.Scurvy  is caused by deficiency of                                                           
  
 Vitamin C

22.Rickets is caused by deficiency of                                                             

 Vitamin C

23.Who invented Vitamins                                                                             

 F.G Hopkins

24.Who invented insulin                                                                                

 Banting

25.Heart transplantation invented by                                                           

 Christian Bernad