Question : Which one of the following is not a benefit of saliva?

Option 1: It facilitates swallowing

Option 2: It increases RBCs in the body

Option 3: It keeps the mouth and teeth clean

Option 4: It aids speech by facilitating movements of the lips and tongue

Question : In the following question, a set of labelled sentences is given. Out of the four alternatives, select the most logical order of the sentences to form a coherent paragraph.
1) AIDS is a disease caused by a virus called HIV.
P. This result in the victim's inability to defend themselves from any infections leading to death.
Q. This disease destroys part of the body's immune system.
R. AIDS patients are carriers of the virus.
S. People who are infected develop AIDS within five to ten years.
6) And they are infected for years without knowing it and transmit the disease to others.
 

Option 1:  QPSR
 

Option 2:  PSQR
 

Option 3:  RSQP

 

Option 4: SRPQ