The place of attachment of leaf with the shoot is called__________?

Related Mcqs:

1. The leaf is bilobed with midrib between them. The plant is____________?

   A. Saraccnia
   B. Dionaea
   C. Pitcher plant
   D. None of these

2. The only promoter of leaf senescence in the following plant hormones is________________?

   A. Gibberellins
   B. Cytokinins
   C. Auxins
   D. Abscisic Acid

3. The percentage of light absorbed by the leaf is ___________?

   A. 20%
   B. 15%
   C. 10%
   D. 1%

4. Stomata cover only ______________ of leaf surface?

   A. 0.03 – 0.04%
   B. 10%
   C. 1-2 %
   D. 50%

5. There are _________ stomata per square cm of leaf surface in Tobacco plants?

   A. 1200
   B. 12000
   C. 100,000
   D. 1000

6. The air spaces may comprise upto _________ of total volume of leaf surface?

   A. 30%
   B. 20%
   C. 40%
   D. 50%

7. Attachment of the bacteriophage with the receptor site on the bacterial cell wall involves_______________?

   A. Strong covalent bond between virion and the receptor site.
   B. Week chemical unior between them
   C. Both A and B depending upon the phage
   D. None of these

8. In life cycle of bacteriophage which step occur after attachment of prophage with the receptor site of the bacterial cell wall_____________?

   A. Absorption
   B. Multiplication
   C. Lysogeny
   D. Penetration

9. Which of the following structure primarily helps in attachment of bacteria on various surfaces____________?

   A. Flagella
   B. Pili
   C. Both of these
   D. None of these

10. Those bacteria which are fully dependent upon their host for nutrition are called__________?

    A. Heterotrophic bacteria
    B. Chemosynthetic bacteria
    C. Saprophytic bacteria
    D. Parasitic bacteria