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Class 11th Biology Chapter 1: Developing World Introduction

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Class 11th Biology Chapter 1: Developing World Introduction

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Questions and Answers

How do unicellular organisms reproduce?

By seed formation
Through continuous growth
Through metamorphosis
By cell division (correct)

Which of the following is NOT one of the five basic features used to identify living things?

Cells
Growth
Reproduction
Evolution (correct)

In multicellular organisms, how do they primarily grow?

By seed formation
By spores
By cell division (correct)
By metamorphosis

What is the most defining feature of living organisms according to the text?

Chemical reactions in the body (D) Signup and view all the answers

What is the main purpose of taxonomy?

To arrange organisms systematically based on their relatedness (D) Signup and view all the answers

How are biological names usually written in terms of formatting?

In italics or underlined (D) Signup and view all the answers

In taxonomic nomenclature, how are genus names and species names formatted?

Genus names start with a capital letter, species names start with a small letter (C) Signup and view all the answers

What do the International Code of Botanical Nomenclature and the International Code of Zoological Nomenclature provide?

Principles and criteria for naming plants and animals (D) Signup and view all the answers

Flashcards

Reproduction in Unicellular Organisms

Unicellular organisms produce new organisms by dividing into two identical cells.

Five Basic Features of Living Things

The five basic features used for identifying living things are: organization, metabolism, responsiveness, growth, and reproduction.

Growth in Multicellular Organisms

Multicellular organisms grow by increasing the number of cells through cell division.

Most Defining Feature of Living Organisms

The most defining feature of living organisms is their ability to carry out chemical reactions within their bodies. This is also known as metabolism.