Loading practice questions

A focused practice platform for competitive-exam MCQs, subject wise, topic wise practice, and current affairs revision.

Exams

SSC CGL
UPSC CSE PRELIMS
IBPS PO
RRB NTPC
CDS

Subjects

Mathematics
Physics
General Knowledge
English
Reasoning

Resources

Current Affairs
Search MCQs
Practice Sets

Company

About Us
Contact
Privacy Policy
Terms of Use
Disclaimer
Copyright

Practice library for exams, subjects, and daily revision. For learning purposes only.

© 2026 ObjectiveMcq.ComAll rights reserved

Nucleus : Class 9 Science MCQ Practice Questions & Answers (English) - ObjectiveMcq

Class 9 Science Practice

Browse

Topics

Agriculture
Biology
Chemistry
Physics
Science

PracticeClass 9 ScienceChemistryAtomic StructureNucleus

Nucleus in Class 9 Science : Practice MCQ Questions & Answers with Explanations

2 practice sets · Page 1 of 1

Class 9 ScienceMediumChemistry Atomic StructureNucleus

1.

Which of the following particles are found in the nucleus of an atom?

A

Only neutrons

B

Electrons and neutrons

C

Protons and neutrons

D

Electrons and protons

Correct Answer:

C — Protons and neutrons

Explanation:

The nucleus contains protons and neutrons.

Class 9 ScienceMediumBiology CellNucleus

2.

What are chromatin fibers made of?

A

DNA and proteins

B

RNA and proteins

C

Lipids and carbohydrates

D

DNA and lipids

Correct Answer:

A — DNA and proteins

Explanation:

Chromatin consists of DNA wrapped around proteins called histones.