Diatom frustule/ shell is made of_____________?

Related Mcqs:

1. Empty diatom cells are called___________?

   A. Raphe
   B. Valves
   C. Frustule
   D. Girdles

2. Shell of egg is leathery in appearance in___________?

   A. Amphibians
   B. Reptiles
   C. Birds
   D. Prototherians

3. In human body 99% of total mass is formed of_____________?

   A. 16 Bio-elements
   B. 12 Bio-elements
   C. 10 Bio-elements
   D. 6 Bio-elements

4. In Hardy-Weinberg formula P2 represents frequency of_____________?

   A. Recessive allele
   B. Dominant allele
   C. Homozygous dominant individual
   D. Homozygous recessive individual

5. Cn(H2O)n. is a general formula of_____________?

   A. Monosaccharides
   B. Oligosaccharides
   C. Ploysacharides
   D. Carbohydrates

   Updatedted by: Zakir Hussain

6. Collagen fibers of bone are hardened by deposition of_____________?

   A. Ca & PO4
   B. CaCO3
   C. CaSO4
   D. SiO2

7. Aquatic animals excrete nitrogenous waste commonly in the form of_____________?

   A. Ammonia
   B. Urea
   C. Uric acid
   D. Trimethylamine oxide

8. Sperms released in water are carried to the mesenchyme in sponges by__________?

   A. Amoeboid cell
   B. Stipules
   C. Spicules
   D. Spines

9. Unlike other algae, diatoms do not readily decay due to___________?

   A. Nonliving cells
   B. Siliceous wall
   C. Mucilaginous wall
   D. Water proof cell

10. Special enzymes are released during necrosis from __________ ?

    A. lysosomes
    B. Vacuoles
    C. Cytoplasm
    D. Golgi bodies

    Submitted by: Rashid Mehmood