The beautiful color patterns exhibited by a peacock in its tail feathers are due to ?

Related Mcqs:

1. The primary function of the feathers in birds is to _________?

   A. Provide insulation for preserving body heat
   B. Provide striking surface to the wings for flying
   C. Make the body surface waterproof
   D. impart coloration for species as well as sex recognition

2. Which one of the following sets of color combinations is added in color vision in TV’?

   A. Red, green and blue
   B. Orange, back and violet
   C. White. red and yellow
   D. Yellow, green and blue

3. The _______ test is a color perception test for red-green color deficiencies.

   A. Hemiplegia
   B. Ishihara
   C. Lalopathy
   D. None of the above

   Submitted by: Naveed Tahir

4. Red color of tomato is due to___________?

   A. Anthocyanin
   B. Xanthophyll’s
   C. Lycopene
   D. None of these

   Submitted by: Name

5. The color of blood is red due to __________?

   A. Haemoglobin
   B. Neutrophils
   C. Esinophils
   D. Hematocrit

   Submitted by: Ahmar Baloch

6. Central Color of Rainbow is__________?

   A. Blue
   B. Green
   C. Red
   D. Indigo

   Submitted by: Muhammad Jehanzeb

7. What Color does chlorophyll not absorb?

   A. Red
   B. Blue
   C. Green
   D. Yellow

   Submitted by: Syed Shan Ali Shah

8. If the green leaves are placed under red light, their color will become________?

   A. Green
   B. Black
   C. Red
   D. Blue

   Submitted by: Syed Rameez ul Hassan

9. The color which we see when our eyes are closed?

   A. Black
   B. Grey
   C. Eigengrau
   D. None of these

   Submitted by: Syed Muhammad Ali Naqvi

10. The color of a sedimentary rock is often mostly determined by___________?

    A. Zinc
    B. Iron
    C. Calcium
    D. None of these

    Submitted by: Syed Abdul Basit