Home Class 9 Biology Notes Class 9 Biology Chapter 1 Short Questions Notes PDF

Class 9 Biology Chapter 1 Short Questions Notes PDF

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In this post, I am sharing the Class 9 Biology Chapter 1 Short Questions with Answers Notes PDF for the students. Introduction to Biology is the 1st chapter in the 9th class biology textbook. Biology is an interesting subject and part of matric science subjects. on Ilmihub, I am sharing 9th class biology notes for students who are looking for helpful study material. Those students can download these 9th class Biology Chapter 1 Short questions with answers Notes PDF on their laptop or mobile to read offline.

These 9th class chapter 1 biology short questions notes are for all the boards working under the Punjab Board like Gujranwala Board, Lahore Board, Faisalabad Board, Multan Board, Rawalpindi Board, Sargodha Board, DG Khan Board, and Sahiwal Board. To download chapter 1 Introduction to Biology notes, click here.

9th Class Chapter 1 Biology Short Questions with Answers PDF (English)

File Size: 1.70MB
Pages: 6
Chapter Name: Introduction to Biology
Notes: Short Questions with Answers

Biology Class 9 Chapter 1 Short Questions

What do you know about agriculture?

It deals with the study of food crops and animals which are the source of food. An agriculturist works for the betterment of crops like wheat, rice, corn, etc, and animals. This professional course can be adopted after higher secondary education in biology.

Define anatomy.

The branch of biology, which deals with the study of the internal structure of organisms, is called internal morphology or anatomy

What is animal husbandry?

It deals with the study of the care and breeding of livestock. Livestock includes all domestic animals like cattle, sheep etc. This professional course can be adopted after higher secondary education in biology.

Define molecular biology or biochemistry.

The branch of biology, which deals with the study of the molecules of life. Water, proteins, carbohydrates, lipids, and nucleic acids is called molecular biology. The study of biochemical reactions occurring in living organisms is also included in this branch.

Define biogeography.

The study of the occurrence and distribution of different species of animals and plants in different geographical regions of the world is called biogeography.

What do you mean by biomolecules?

Biomolecules are the tiny building blocks that make living things work. They include things like sugars, proteins, fats, and genetic materials, which do important jobs like giving us energy and helping our bodies grow.

What is biochemistry?

Biochemistry is the study of the chemical processes that occur within living organisms. It focuses on understanding how molecules like proteins, DNA, and sugars work together to carry out the functions necessary for life.

What is a cell?

The cell is the basic unit of structure and function of living organisms. Different organelles assemble to form the simplest living unit i.e. the cell. It may be a prokaryotic cell without a distinct nucleus and a eukaryotic cell with a distinct nucleus.

What do you mean by colony? Give example.

When many unicellular organisms live together and each of them lives its own life and does not depend on other cells for its vital requirements, it is called a colony.  e.g. Volvox is a green colonial alga living in water.

Related Links:

  1. Class 9 Biology Chapter 1 Long Questions Notes PDF
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