MEDIUM
Earn 100

Which plant is used in the production of a blue dye, other than indigo?

50% studentsanswered this correctly

Important Questions on Economically Useful Plants and Entrepreneurial Botany

HARD
Which of the following is a property of plant-based cosmetics compared to synthetic ones?
MEDIUM
What is a common application of turmeric in cosmetics?
EASY
What is a primary ingredient used in the preparation of cosmetics from plant sources?
MEDIUM
Which of the following natural ingredients is commonly used for skin whitening in cosmetics?
MEDIUM
Which plant is the source of a popular yellow dye used in cosmetics and textiles?
EASY

Observe the following statements and pick out the right option from the following:

Statement I – Perfumes are manufactured from essential oils.
Statement II – Essential oils are formed at different parts of the plants.

MEDIUM
Which of the following compounds is primarily responsible for the color in indigo dye?
MEDIUM
Which natural dye is obtained from the roots of a plant?
HARD
Which of the following plants is known for producing a dye that changes color when exposed to sunlight?
EASY
Which part of the plant is most commonly used for extracting dyes?
HARD
Which plant is a primary source of natural red dye used in cosmetics?
HARD
Which plant is used in the cosmetic industry for its anti-aging properties?
EASY
Which plant is commonly used to extract henna, a natural dye?
EASY
The plant that gives us perfume _____. (Neem tree/ Jasmine)
HARD
What is the primary benefit of using plant-based ingredients in cosmetics?
HARD
Which of the following is a disadvantage of using natural dyes in cosmetics?