Structure of Chromosomes Quiz
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Structure of Chromosomes Quiz

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Questions and Answers

What is the purpose of Selina Solutions Concise Biology for Class 10?

  • To entertain students with biology concepts
  • To provide a wide range of questions for exam preparation (correct)
  • To teach students mathematics
  • To offer solutions for chemistry problems

    • Why do students practice Selina Solutions?

  • To learn computer programming
  • To attain good marks in Biology (correct)
  • To improve their singing skills
  • To become better at history

    • What kind of material is Selina Solutions?

  • A collection of poetry
  • A cookbook for recipes
  • Essential study material for biology (correct)
  • A guide for learning music

    • Who has prepared the Selina Solutions Concise Biology Class 10 Chapter 2?

    <p>Expert tutors at BYJU’S</p> Signup and view all the answers

    What do students gain by referring to Selina Solutions?

    <p>More knowledge</p> Signup and view all the answers

    What is the structure of eukaryotic chromosomes?

    <p>Linear and stored in the cell nucleus</p> Signup and view all the answers

    What is the role of histones in eukaryotic chromosome packaging?

    <p>Wrapping of DNA to form condensed nucleosomes</p> Signup and view all the answers

    Who discovered the double helix structure of DNA?

    <p>James Watson and Francis Crick</p> Signup and view all the answers

    What was determined by chemist Alexander Todd about the backbone of a DNA molecule?

    <p>Contained repeating phosphate and deoxyribose sugar groups</p> Signup and view all the answers

    What did biochemist Erwin Chargaff find about nucleotide pairing in DNA?

    <p>Adenine and thymine always paired while cytosine and guanine always paired</p> Signup and view all the answers

    Study Notes

    Purpose and Features of Selina Solutions

    • Selina Solutions Concise Biology for Class 10 is a study material designed to help students understand and practice biology concepts.
    • Students practice Selina Solutions to clarify their doubts, improve their skills, and perform well in exams.

    Selina Solutions Material

    • Selina Solutions provides concise and comprehensive study material for Class 10 biology students.

    Authorship

    • Selina Solutions Concise Biology Class 10 Chapter 2 has been prepared by experienced teachers and subject experts.

    Benefits of Referring to Selina Solutions

    • By referring to Selina Solutions, students gain a deeper understanding of biology concepts, improve their problem-solving skills, and develop confidence in tackling complex questions.

    Eukaryotic Chromosomes

    • Eukaryotic chromosomes have a linear structure with a centromere, telomeres, and origins of replication.
    • Histones play a crucial role in eukaryotic chromosome packaging by providing a scaffold for DNA to coil around.

    Discovery of DNA Structure

    • James Watson and Francis Crick discovered the double helix structure of DNA.

    DNA Backbone

    • Chemist Alexander Todd determined that the backbone of a DNA molecule is composed of sugar and phosphate molecules.

    Nucleotide Pairing

    • Biochemist Erwin Chargaff found that in DNA, adenine (A) always pairs with thymine (T), and guanine (G) always pairs with cytosine (C).

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    Description

    Test your knowledge on the structure of chromosomes, cell cycle, and cell division with this quiz. Learn and assess your understanding of biology concepts related to Class 10 Chapter 2 of Selina Solutions Concise Biology.

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