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20 Class 9 Biology questions with answers and explanations.
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The study of living things is called:
The study of the structure of living things is called:
Correct answer: Anatomy
Anatomy deals with structure. Physiology deals with how structures work.
The study of plants is called:
Correct answer: Botany
Botany is the branch of biology that studies plants.
The study of the relationship between organisms and their environment is:
Correct answer: Ecology
Ecology studies how organisms interact with each other and their surroundings.
The correct order of levels of organisation from small to large is:
Correct answer: Cell, tissue, organ, organ system
Cells form tissues, tissues form organs, and organs form organ systems.
The study of fossils is called:
A group of tissues working together forms an:
The study of heredity is called:
The branch of biology that deals with animals is:
Which of these is a characteristic of all living things?
The study of the internal structure of organisms is called:
Which branch of biology deals with classification of organisms?
The study of heredity and variation is:
Correct answer: Genetics
Genetics studies how traits pass from parents to offspring.
A group of similar cells that do one job is a:
Correct answer: Tissue
A tissue is a group of similar cells with one function.
A group of organisms of the same species living in one place is a:
The part of the earth where life exists is the:
Correct answer: Biosphere
The biosphere includes all places where life is found.
Biochemistry joins biology with:
Correct answer: Chemistry
It studies the chemical reactions in living things.
Which level of organisation comes just before the organism?
Correct answer: Organ system
Organ systems work together to make an organism.
The study of microscopic organisms such as bacteria is:
Making insulin using bacteria is an example of:
Correct answer: Biotechnology
Biotechnology uses living organisms to make useful products.