Class 9 Biology MCQs – Practice Test 1 (Chapter 7)

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Download "Introduction to Biology MCQs" App: Considering elements of nature, the elements that make 99% of the total mass present does not include; MCQ with answers: magnesium, hydrogen, nitrogen, and oxygen. Solve Introduction to Biology MCQ Questions, download Google e-Book (Free Chapter) to join online courses.

Introduction to Biology MCQs – Practice Test 1 PDF Download

MCQ 1: Considering elements of nature, the elements that make 99% of the total mass present does not include:

hydrogen
magnesium
nitrogen
oxygen

MCQ 2: The changes in population occur due to change in:

biotic factors
abiotic factors
environmental factors
none of above

MCQ 3: Each organelle has a specified:

shape
function
size
mass

MCQ 4: Different organelles assemble to form a:

cell
tissue
molecules
muscle

MCQ 5: The type of cellular organization in which many organisms do not undergo cellular division is called:

unicellular
multicellular
colonial
groups

Class 9 Biology MCQs App & e-Book – Introduction to Biology Study Guide

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