Question

Which of the following dyes is best suited for staining chromosomes?
a. Basic Fuchsin
b. Safranin
c. Methylene blue
d. Carmine


NCERT Class XI
Biology - Exemplar Problems

Chapter 8. The Unit of Life

Answer 1

Caramine is best suited for staining chromosomes.

Carmine is the bright red dye that is mainly used for color food, textiles and cosmetics.

The Carmine is mainly suitable from beetles therefore not vegan.

The pigment are produced by drying and crushing along with easily boiling the bodies with the cochineal beetles for extracting the carminic acids.

Answer 2

Hi,

Here is your answer,

Question = Which of the following dyes is best suited for staining chromosomes?

a. Basic Fuchsin

b. Safranin

c. Methylene blue

d. Carmine

ANSWER = Option (D) Carmine

Hope it helps you !