Astronauts may use which technique to grow fruits and vegetables ?

Related Mcqs:

1. Bacteria which grow either in the presence or absence of oxygen___________?

   A. Aerobic bacteria
   B. Anaerobic bacteria
   C. Facultative bacteria
   D. Microaerophilic

2. Those fungi which can grow only on their living host and cannot be grown on available defined growth culture medium e.g. various mildews and most rust species are called_____________?

   A. Parasitic fungi
   B. Obligate parasitic fungi
   C. Facultative parasitic fungi
   D. All of these

3. They are widespread as protective coatings on fruits and leaves?

   A. cholesterol
   B. waxes
   C. chitin
   D. all of these

   Submitted by: Maryam Aftab

4. Sporangia of which of the following tracheopytes develop singly on the upper side of sporophylls which may or may not be arranged to form strobili_____________?

   A. Psilopsida
   B. Lycopsida
   C. Sphenopsida
   D. Prteropsida

5. Sythetic insulin from pork was formed by which technique?

   A. Biotechnology
   B. Social biological techniques
   C. Parasitology
   D. Both a and c

6. Breeders have developed new and better varieties of food items by using which technique?

   A. Pasteurization
   B. Hydroponic culture technique
   C. Genetic engineering
   D. Biological control techniques

7. A stone measuring 0.4 cm, blocking the outlet of renal pelvis resulting in mild to moderate tract obstruction. Which of the following technique will be opted to remove this stone?

   A. Kidney surgery
   B. Burring a hole and removing the stone manually (nephrolithotomy)
   C. Extracorporeal Shock wave lithotripsy
   D. None of these

8. PCR technique was invented by__________?

   A. Karry Mullis
   B. Boyer
   C. Sanger
   D. Cohn

   Submitted by: Maria Aziz

9. Temperate phage may exist as_____________?

   A. Prophage
   B. Capsid
   C. Viron
   D. Retrovirus

10. One of the reasons why some people cough while eating a meal may be due to the improper movement of _______ :

    A. Larynx
    B. Diaphram
    C. Epiglottis
    D. None of these

    Submitted by: Nayab Idrees