“lub” sound is produced after _________ ?

Related Mcqs:

1. “lubb” sound is produced due to___________________?

   A. Opening of inlet valve
   B. Closure of inlet valve
   C. Opening of outlet valve
   D. Closure of outlet valve

2. At level above _____ , sound turns into harmful noise pollution?

   A. 80db
   B. 30db
   C. 100db
   D. 120db

   Submitted by: Eesha Khalid

3. Variety among amino acids is produced due to_____________?

   A. NH2 group
   B. COOH group
   C. R group
   D. All of these

4. The discease in which transmembrane carrier for the chloride ion is not produced is__________?

   A. Hyperchloesterolemia
   B. Cystic fibrosis
   C. Severe combined immunodeficiency syndrome
   D. AIDS

5. A painful burning sensation produced in the chest cavity usually associated with the back flush of acidic chyme into the esophagus is__________?

   A. Pyrolysis
   B. Pyrosis
   C. Peristalsis
   D. Dyspepsia

6. In life cycle of Pinus megaspores produced by megasporangium divide into 4 megaspores by__________________?

   A. Mitosis
   B. Meiosis
   C. Both depending upon the conditions
   D. None of these

7. Grave’s disease is produced due to____________?

   A. Undersecretion of thyroxin
   B. Overproduction of thyroxin
   C. Undersecretion of corticosteroids
   D. Overproduction of corticosteroids

8. The glycolate produced diffuses into the membrane bounded organelles called____________?

   A. Glyoxisomes
   B. Peroxisomes
   C. Lysosomes
   D. Mitochondria

9. Which excretory product in produced in plants during autotrophic mode of life?

   A. CO2
   B. H2O
   C. O2
   D. Both A and B

10. The number of daughter paramecia produced following conjugation is _______ ?

    A. 8 from one conjugant
    B. 8 from two conjugants
    C. 16 from two conjugants
    D. 8-16 from two conjugants

    Submitted by: Rashid Mehmood