During rest the breathing occurs rhythmically at the frequency of _________ times per minute in human?

Related Mcqs:

1. heart beats 72 times in a male and _________Times in female in one minute.?

   A. 60 Times
   B. 70 Times
   C. 80 Times
   D. 85 Times

   Submitted by: Imtiaz Ali Noonari

2. About __________ % of photosynthesis is carried by terrestrial plants, while rest occurs in ocean, lakes, and ponds?

   A. 10%
   B. 20%
   C. 30%
   D. 40%

3. An association in which fungal hyphae penetrate the outer cells of the plant root forming coils swellings and minute branches and also extend out into surrounding soil is called______________?

   A. Mycorrizael association
   B. Endomycorrhizae
   C. Ectomycorrhizae
   D. Lichen

4. In human female, fertilization commonly occurs at______________?

   A. Proximal part of oviduct
   B. Distal part of oviduct
   C. Uterus
   D. Cervix

5. In HomoSapiens (Human) the fertilization occurs in the___________?

   A. Uterus
   B. Ovaries
   C. Oviduct
   D. Cervix

   Submitted by: Mansoor Ahmed Suhag

6. Conversion of ammonia or ammonium ion into nitrites during nitrogen cycle occurs due_____________?

   A. Rhizobium
   B. Nitrosomonas
   C. Nitrobacter
   D. Pseudomonas

7. Which of the following step occurs immediately after binding of Ca2+ with troponin molecule during muscle contraction.

   A. Binding sites of actin get attached to the myosin head.
   B. Troponin uncovers the actin binding sites.
   C. Tropomyosin gets removed from the binding sites of actin filaments.
   D. Ca2+ goes back inside sarcoplasmic reticulum.

8. Which one of the following is different from all the rest regarding the number of cells inits body_______________?

   A. Rusts
   B. Mushrooms
   C. Molds
   D. Yeasts

9. The maximum amount of oxygen which normal human blood absorbs and carries at sea level is ________ per 100 ml of blood.

   A. 10 ml
   B. 20 ml
   C. 30 ml
   D. 40 ml

10. Kind of cellular respiration which occurs in presence of oxygen is _________ ?

    A. Anaerobic respiration
    B. Aerobic respiration
    C. Nitrogenous respiration
    D. Acidic respiration

    Submitted by: Rashid Mehmood