Asked: U.P.P.C.S. (Pre) Exam. 2017medium Level
QUESTION STATEMENT:द्विभाषी / Bilingual
निम्नलिखित में से कौन-सा एक पदार्थ प्राकृतिक बहुलक है?
Which one of the following substances is a natural polymer?
SELECT CORRECT OPTION:
A
बैकेलाइट
Bakelite
B
रेशम
Silk
Correct
C
केवलार
Kevlar
D
लेक्सान
Lexan
Official Solution & Explanation:
Correct Answer: Option B(रेशम)
रेशम (Silk) प्राकृतिक रेशेदार प्रोटीन फाइब्रोइन से बना एक प्राकृतिक बहुलक है, जबकि बैकेलाइट, केवलार तथा लेक्सान सभी संश्लेषित बहुलक (सिंथेटिक पॉलिमर्स) हैं।
Silk is a natural protein polymer produced by silkworms, while Bakelite, Kevlar, and Lexan are synthetic polymers.
Subject: General Science•Topic: Organic Chemistry•Subtopic: Organic Chemistry
Practice this topic in CBT

Related Questions in Organic Chemistry

View All

Attempt CG State Mock Tests in Real Exam Simulation

Access thousands of previous year questions and simulated mock papers with official negative marking and real-time state percentiles.

Practice Full Test Series Free