CBSE ENGLISH LANGUAGE & LITERATURE

CLASS 10

THE MAKING OF A SCIENTIST

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
HOW MANY SPECIES OF BUTTERFLIES HAD HE COLLECTED TILL SECOND GRADE?
A
20
B
21
C
24
D
25
Explanation: 

Detailed explanation-1: -By the time he was in the second grade, Ebright had collected all twenty-five species of butterflies found around his hometown.

Detailed explanation-2: -Answer: By the time Richard Ebright was in the second grade, he had collected all twenty-five species of butterflies found around his hometown.

Detailed explanation-3: -Ebright started tagging monarch butterflies. He realized that chasing the butterflies one by one wouldn’t enable him to see many. So he decided to raise a flock of butterflies.

Detailed explanation-4: -Answers. Richard Ebright used to send tagged monarch butterflies to Dr. Urquhart for his research work. Chasing butterflies one by one was difficult and he couldn’t catch many.

Detailed explanation-5: -In his senior year in high school, Ebright took a step ahead in his advanced experiments on the monarch pupa. He cultured cells from a monarch butterfly’s wing and showed that the cells would divide and develop into normal butterfly wing scales only if they were fed the hormone from the gold spots.

There is 1 question to complete.