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Class 9 Science Chapter 1 Cell: The Building Block of Life MCQ Practice

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Chapter 1Cell: The Building Block of Life

50 MCQsFocused chapter practice

DescriptionQuick chapter overview

SyllabusTopics covered clearly

Understand Cell: The Building Block of Life in Class 9 Science through structured MCQ practice. Connect scientific ideas with observation, reasoning and practical application, improve accuracy and prepare effectively for assessments.

This chapter introduces the cell as the basic structural and functional unit of life. Students study cell origin, cell theory, unicellular and multicellular organisms, cell structure, and the role of cells in building and sustaining living organisms.

Sample Chapter MCQs

Showing 5 sample questions from this chapter.

01 Science

Which organelle modifies, sorts, and packages proteins or lipids into vesicles?

A Nucleus

B Mitochondrion

C Golgi apparatus

D Vacuole

02 Science

Which division is most suitable for healing a skin cut, and why?

A Meiosis, because it halves chromosome number

B Mitosis, because it makes matching replacement body cells

C Meiosis, because it makes four gametes

D Neither division is involved in repair

03 Science

Which statement correctly connects DNA, genes, and chromosomes?

A Genes are functional segments of DNA, and chromosomes contain DNA with proteins

B Chromosomes are made only of cell sap

C DNA appears only outside the nucleus

D Genes are organs made of tissues

04 Science

A colourless plastid in a potato cell that stores starch is most likely a:

A Chromoplast

B Chloroplast

C Leucoplast

D Mitochondrion

05 Science

What role of membrane proteins best explains the phrase “gatekeepers” in the fluid-mosaic model?

A They help selected substances pass through the lipid bilayer

B They make all cell walls rigid

C They turn water directly into glucose

D They replace chromosomes during division

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