Which of the following is most constant abiotic component of ecosystem___________?

Related Mcqs:

1. On which of the following component of chloroplast chlorophyll is arranged?

   A. Cell membrane
   B. Matrix
   C. Thylakoids
   D. Stroma

2. Which of the following substance is most favorable to form structural component of biological membranes___________?

   A. Hydrophilic Carbohydrates
   B. Hydrophobic fats.
   C. Both a and b
   D. None of these

3. Which of the following organisms have Chitin as a major structural component of their cell wall________________?

   A. Prokaryotae
   B. Protoctista
   C. Plantae
   D. Fungi

4. In which of the following component of the body, lactic acid fermentation takes place?

   A. Brain
   B. Heart
   C. Liver
   D. Muscles

5. Cellulose is the major component of__________?

   A. Primary wall
   B. Secondary wall
   C. Middle lamella
   D. all of the above

6. Which chemical component has the same % in bacterial as well as the mammalian cell_____________?

   A. Water
   B. Carbohydrate
   C. Proteins
   D. Lipids

7. Chemical component/s less in eukaryotic cell as compared to prokaryotic cell is / are (i) lipids (ii) carbodydrates (iii) proteins (iv) DNA_________________?

   A. i & ii
   B. iii & iv
   C. i ii iii & iv
   D. iv only

8. Extremely long molecule of DNA that is tightly folded to fit inside the cell component is called_____________?

   A. Nucleus
   B. Chromosome
   C. Chromatid
   D. Chromatin body

9. ___________ component of cell wall has grreat affinity with water?

   A. Lignin
   B. Cellulose
   C. Pectin
   D. All of these

10. Study of impact of extra-terrestrial environments on organisms belonging to earth is component of

    A. Ecology
    B. Cosmology
    C. Exobiology
    D. None of These

    Submitted by: Fareed Ahmed