9th Class Biology Notes in English pdf free Download
9th Class Biology Notes in English
1- 9th Class Biology Notes Chapter 1
2- 9th Class Biology Notes Chapter 2
3- 9th Class Biology Notes Chapter 3
4- 9th Class Biology Notes Chapter 4
5- 9th Class Biology Notes Chapter 5
6- 9th Class Biology Notes Chapter 6
7- 9th Class Biology Notes Chapter 7
8- 9th Class Biology Notes Chapter 8
IMP Questions Answers
1- What are the Characteristics of Plants
2- What are the General Characteristics of Bryophytes
3- What is Alternation of Generation in Biology
4- What are the Basic Characteristics of Funaria
5- Why Bryophytes are called Amphibians of Plant Kingdom
6- What is Biology Definition in English
7- What are the Branches of Biology and their Definition
8- What is the relation of Biology with other Sciences
9- What is Biological Method of Study
10- Which form of Hypothesis is called a Theory
11- What is Control Experiment in Biology
12- Malaria Definition Biology
13- How does Plasmodium enter the Body of a Mosquito
14- What are the Symptoms of Malaria
15- Impact of Biological Studies on Human Welfare
16- Describe Abiogenesis and Biogenesis
18- How is the Metabolism related to Growth
19- What is the Relationship between Metabolism and Response
20- What are Autotrophs in Biology
21- What is a Cell and Define the Cell Theory
22- What is Electron Microscope and How does it work
23- What is Cell Wall and its Function
24- What is Cell Membrane and its Function
25- What is Difference Between Cell Membrane and Cell Wall
26- What is Nucleus in Cell Biology
27- What are Chromosomes give its 2 Components
28- What is the Definition of Cytoplasm in Biology
29- Short Note on Mitochondria for Class 9
30- Note on Golgi Bodies and Golgi Complex
31- What is Endoplasmic Reticulum and its Function
32- What are Ribosomes and its Function
33- What are Plasmids and what do they do
34- What are Centrioles and their Function
35- What is Vacuole and its Function
36- Difference Between Prokaryotes and Eukaryotes
37- What is Cell Cycle in Biology
38- Write a Short Note on Amoeba
41- Mitosis and Meiosis Comparison
42- Why Cell Division is Necessary
43- Study of External Morphology of Mustard Plant
44- Internal Structure of Brassica Root
45- Write the Internal Structure of Stem
46- Write a Note on Internal Structure of Leaf
47- Parts of Brassica Campestris
48- Digestive System of Frog Parts and Functions
49- Internal Structure of Frog’s Heart
50- Describe Arterial System of Frog
51- Describe Venous System of Frog
52- What is Fluid Mosaic Model in Biology
53- What is the Chemical Composition of Chromosomes
54- What is Selectively Permeable Membrane in Biology
55- What is Hibernation in Frog
56- What is Classification and its Importance in Biology
57- Difference between Homologous Organs and Analogous Organs
58- What is Evolutionary Taxonomy in Biology
59- Give the Unit of Classification
60- Biological Classification of Mustard Plant
61- What are the Kingdoms of Living Things
62- Classification of Human Being from Kingdom to Specie
63- What is the Definition of Binomial Nomenclature in Biology
64- What is Darwin’s theory of Common Descent
65- What is Homology in Biology
66- What is Analogy in Biology
67- What is the Basic Unit of Classification
68- What is the Definition of Species in Biology
69- What are Microorganisms Biology
70- What are Viruses & its Types in Biology
71- What are Bacteria and how are they Classified
72- What are the Advantages of Bacteria
73- What are some Harmful Effects of Bacteria
74- What is Cyanobacteria Blue Green Algae
75- In which Kingdom does Bacteria & Cyanobacteria Belong
76- What is Nucleoid in Biology
77- What are Chemosynthetic Bacteria
78- What is the Difference Between Aerobic and Anaerobic Bacteria
79- What are Endospores in Bacteria
80- What are Nitrogen Fixing Bacteria
81- What are Nitrifying Bacteria
82- What are Denitrifying Bacteria
84- Which Pigments are found in Cyanobacteria
85- Why Cyanobacteria is called Blue Green Algae
86- What is Mutualism in Biology
87- What are Lichens and Mycorrhizae
90- Write a short Note on Mushroom
93- Importance and Uses of Fungi
95- Write the General Characteristics of Algae
96- Write a Short Note on Chlamydomonas
97- Write Short Note on Spirogyra
98- What are the Uses of Algae
99- What are the Harmful effects of Algae
100- What are the General Characteristics of Pteridophytes
101- What is the Structure of Ferns
102- What are the Characteristics of Gymnosperms
103- Write Short Note on Pinus
104- What is the importance of Gymnosperms
105- What are the Characteristics of Angiosperms
106- What are the Classes of Angiosperms
107- What are Roots and their Function in Angiosperms
108- Structure and Types of Stems in Angiosperm
109- What are the importance of Angiosperms
110- What are the different Types of Leaves
111- What are the Modification of Leaves
112- What is the Definition of Inflorescence
113- What are Megasporrophylls
114- What are Invertebrates and their Groups
115- What are Characteristics of Protozoa
116- Write a Short Note on Paramecium
117- What are the Main Characteristics of Phylum Porifera
118- What are the Main Characteristics of Phylum Coelenterata
119- Write a Short Note on Hydra
121- Write a Short Note on JellyFish
122- What are Characteristics of Phylum Platyhelminthes
123- Write a Short Note on Liver Fluke
124- Write a Short Note on Tapeworm
125- What are the Characteristics of Phylum Nematoda
126- Write a Short Note on Ascaris
127- What are the Characteristics of Phylum Annelida
128- Write a Short Note on Earthworm
129- What are the Characteristics of Phylum Mollusca
130- Write a Short Note on Snail
131- What are the Characteristics of Phylum Arthropoda
132- What is the definition of Metamorphosis
133- What are the Characteristics of Phylum Echinodermata
134- Write a Short Note on Starfish
135- What are Chordates and their Characteristics
136- What are the Characteristics of Vertebrates
137- What are the Characteristics of Pisces
138- What are the Characteristics of Class Amphibia
139- What are the Characteristics of Class Reptilia
140- What are the Characteristics of Class Aves
141- What are the Characteristics of Class Mammalia
142- What are the Characteristics of Egg Laying Mammals
143- What are the Characteristics of Pouched Mammals
144- What are the Characteristics of Placental Mammals
145- What are the Groups of Placental Mammals
146- Write a Short Note on Flora
147- Write a Short Note on Fauna
148- What do you Mean by Nutrition
149- What is the Function of Food
150- What does you Mean by Autotrophic and Heterotrophic
151- Write a Short Note on Carbohydrates
152- Write a Short Note on Protein
153- What is Photosynthesis and what Factors Affect it
154- What is the Difference between Light and Dark Reaction in Photosynthesis
155- Prove that Oxygen is Released during Photosynthesis
156- How can you Prove that Light is Necessary for Photosynthesis
157- Prove that Chlorophyll is Essential for Photosynthesis
158- How do Plants get Minerals
159- What are the types of Chemical Fertilizers
160- What are the different Modes of Nutrition in Plants
161- What are the different Modes of Nutrition in Animals
162- What are the Different Methods of Preserving Food
163- Write a Short Note on Balanced Diet
164- What are the Main Causes of Tooth Decay
165- What is the Role of Small Intestine in the Digestion of Food Components
166- What is Assimilation of Digested Food
167- What is the Definition of Respiration in Biology
168- What is ATP and its main Function
169- Write Short Note on Aerobic Respiration
170- What type of Energy is Released During Respiration
171- Difference between Aerobic and Anaerobic Respiration
172- Is Carbon Dioxide Released in Aerobic Respiration
173- What is the Importance of Anaerobic Respiration
174- What do you Mean by Oxygen Debt
175- Describe the Process of Respiration in Plants
176- What is the Relation between Respiration and Photosynthesis
177- Why Gaseous Exchange is Important in Living Organisms
178- Short Note on Exchange of Gases in Aquatic Animals
179- Short Note on Exchange of Gases in Terrestrial Animals
180- Describe the Structure of Human Respiratory System
181- Describe the Mechanism of Breathing
182- Explain Exchange of Gases in the Lungs
183- Describe the Transport of Oxygen and Carbon Dioxide in the Blood
