CBSE · NCERT · Class 10 English · Chapter 15

NCERT Solutions: Class 10 English Chapter 15 - Footprints without Feet: The Making of a Scientist

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Chapter-wise NCERT intext questions and exercise answers for Footprints without Feet: The Making of a Scientist, grounded in the official textbook.

Questions are taken verbatim from the NCERT textbook; answers were grounded against the chapter's content during generation. Items needing review are marked.
Sections in this chapter
READ AND FIND OUT (Page 1) 2READ AND FIND OUT (Page 3) 3Think about it 2
Your Progress - Chapter 150% complete
1READ AND FIND OUT (Page 1)2 questions
Q.•How did a book become a turning point in Richard Ebright’s life?v
Solution

The book connects his childhood collection with real research questions and methods.

Answer:

The book The Travels of Monarch X explained the migration of monarch butterflies and invited readers to help Dr Frederick A. Urquhart’s research by tagging butterflies. It transformed Ebright’s collecting hobby into purposeful scientific investigation and began the chain of experiments that eventually led to his work on cells and DNA.

Q.•How did his mother help him?v
Solution

Her support is practical, intellectual and emotional rather than merely financial.

Answer:

His mother encouraged his curiosity and learning. She took him on trips, bought him telescopes, microscopes, cameras, mounting materials and other equipment, helped him learn in the evenings and gave him The Travels of Monarch X. She consistently found activities and resources that stretched his interests.

2READ AND FIND OUT (Page 3)3 questions
Q.•What lesson does Ebright learn when he does not win anything at a science fair?v
Solution

His next projects are designed as experiments rather than displays.

Answer:

He learns that a real science project must investigate a question through experiments; simply displaying a neat collection is not enough. The loss changes his approach from exhibiting facts to discovering them.

Q.•What experiments and projects does he then undertake?v
Solution

The projects form a progression from school experiments to original cellular research.

Answer:

Ebright first tests the theory that a viral disease killing monarch caterpillars is carried by beetles, raising caterpillars in the presence of beetles. He then investigates whether viceroy butterflies copy monarchs because monarchs are unpalatable to birds. Next he studies the twelve gold spots on a monarch pupa and discovers that they produce a hormone necessary for normal development. He later grows monarch wing cells in culture, identifies the hormone’s chemical structure and uses X-ray photographs of it to develop a theory of how cells read the genetic blueprint in DNA.

Q.•What are the qualities that go into the making of a scientist?v
Solution

The final paragraph explicitly names the main ingredients, while the project history demonstrates them.

Answer:

The chapter identifies a first-rate mind, curiosity and the will to win for the right reasons. Ebright also shows careful observation, willingness to ask testable questions, persistence after failure, disciplined experimentation and the ability to connect one result with a larger problem. His competitiveness is directed toward doing the best work, not merely collecting prizes. Supportive teachers and opportunities help, but the decisive qualities are intellectual curiosity and sustained effort.

3Think about it2 questions
Q.1How can one become a scientist, an economist, a historian... ? Does it simply involve reading many books on the subject? Does it involve observing, thinking and doing experiments?v
Solution

Ebright’s movement from collecting facts to experimental inquiry illustrates the general principle.

Answer:

Reading builds essential knowledge, but expertise does not come from reading alone. A scientist observes patterns, frames questions, tests explanations and revises ideas in the light of evidence, as Ebright does after his first unsuccessful fair. An economist studies data and tests explanations of production, behaviour or policy; a historian examines sources, compares accounts and builds evidence-based interpretations. Across fields, books provide foundations, while curiosity, close observation, critical thinking, disciplined inquiry and communication turn information into understanding.

Q.2You must have read about cells and DNA in your science books. Discuss Richard Ebright’s work in the light of what you have studied. If you get an opportunity to work like Richard Ebright on projects and experiments, which field would you like to work on and why?v
Solution

The first part links the chapter’s hormone research to the stated role of DNA; the second is a sample response.

Answer:

Ebright’s work connects an organism’s development with cellular control. DNA in the nucleus carries instructions that determine a cell’s form and function. His study of the hormone produced by the monarch pupa’s gold spots, followed by X-ray photographs of its molecular structure, helped him propose how a cell may read that genetic blueprint. A model personal choice would be to investigate ecology and insect conservation, because it would combine field observation with experiments and could show how habitat and climate affect pollinators. Like Ebright’s work, such a project could begin with a local question and lead to wider biological understanding.