The plant dye Henna imparts orangered colour to skin and hairs due to its reacti

CuriousTab

C Programming C# Programming C++ Programming Database Java Programming Networking

Biochemical Engineering Biochemistry Biotechnology Chemical Engineering Civil Engineering Computer Science Digital Electronics Electrical Engineering Electronics Electronics and Communication Engineering Mechanical Engineering Microbiology Technical Drawing

Current Affairs General Knowledge

Data Interpretation Logical Reasoning Non Verbal Reasoning Verbal Ability Verbal Reasoning

AIEEE Bank Exams CAT GATE IIT JEE TOEFL

Analyst Bank PO Database Administrator IT Trainer Network Engineer Project Manager Software Architect

Discussion

Home ‣ General Knowledge ‣ Biology Comments

Question
The plant dye Henna imparts orangered colour to skin and hairs due to its reaction with which of the following?
Options
A. Protein and amino acids
B. Lipids
C. Carbohydrates
D. Amino acids

Correct Answer

Protein and amino acids

Biology problems

Search Results

1. Bone deformities occur due to the excess intake of
Options
A. Phosphorus
B. Potassium
C. Fatty acid
D. Fluorine

Discuss

Correct Answer: Fluorine

2. The corner of the cells of collenchyma tissue in plant are thickened due to deposition of _____
Options
A. Lignin and suberin
B. Suberin and cutin
C. Cellulose and pectin
D. Chitin and lignin

Discuss

Correct Answer: Cellulose and pectin

3. The phenomenon of summer sleep by animals is called
Options
A. hibernation
B. aestivation
C. laziness
D. lethargy

Discuss

Correct Answer: aestivation

Explanation:

Aestivation is summer sleep. Many organisms like the snails do not find it comfortable in summer. They withdraw and lead a life with reduced BMR (basic Metabolic Rate) in a state of dormancy.