“lubb” sound is produced due to___________________?

Related Mcqs:

1. “lub” sound is produced after _________ ?

   A. The ventricles are fully contracted B. The ventricles start to relax C. The bicuspid and tricuspid valves suddenly close D. The semilunar valves are closed Submitted by: Rashid Mehmood...

2. Variety among amino acids is produced due to_____________?

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

3. Grave’s disease is produced due to____________?

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

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

   A. 80db B. 30db C. 100db D. 120db Submitted by: Eesha Khalid...

5. How many moles of carbon dioxide are produced by complete oxidation of one mole of puruvic acid?

   A. 1 B. 2 C. 3 D. 6...

6. Pepsinogen is produced from__________?

   A. Mucous cells B. Parietal cells C. Zymogen cells D. All of these...

7. 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...

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

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

9. 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...

10. The first transgenic plant to be produced is__________?

    A. Brinjal B. Tobacco C. Rice D. Cotton Submitted by: Maria Aziz...