Topics
Crop Production and Management
- Crop and Its Types
- Basic Practices of Crop Production
- Soil Formation and Preparation
- Agricultural Implements
- Sowing and Selection of Seed
- Manuring (Biomanuring)
- Fertilizers
- Methods to Replenish Nutrients in Your Soil
- Irrigation
- Method of Irrigation
- Weeding
- Harvesting of Crops
- Storage of Food Grains
- Animal Husbandry (Livestock)
Microorganisms: Friend and Foe
Synthetic Fibres and Plastics
Materials: Metals and Non-metals
Coal and Petroleum
Combustion and Flame
Conservation of Plants and Animals
Cell - Structure and Functions
- Cell: the Fundamental Unit of Life
- The Invention of the Microscope and the Discovery of Cell
- Organisms Show Variety in Cell Number, Shape and Size
- Structure of a Cell
- Plasma Membrane
- Semi-permeable Membrane (Cell Membrane)
- Cell Wall - “Supporter and Protector”
- Nucleus - “Brain” of the Cell
- Cytoplasm - “Area of Movement”
- Plastids
- Non-living Substances Or Cell Inclusions
- Prokaryotic and Eukaryotic Cell
- Difference Between Plant Cell and Animal Cell
Reproduction in Animal
- Reproduction in Plant
- Reproduction in Animal and Human
- Modes of Reproduction in Animal
- Asexual Reproduction in Animal
- Sexual Reproduction in Animals
- Male Reproductive System
- Female Reproductive System
- Gametogenesis
- Fertilisation in Human and Its Stages
- Development of Embryo
- Embryo Formation in Viviparous and Oviparous Animals - Young Ones to Adults
- Asexual Reproduction in Plant
Reaching the Age of Adolescence
- Adolescence and Puberty
- Changes at Puberty
- Secondary Sex Characteristics
- Role of Hormones in Initiating Reproductive Function
- Reproductive Phase of Life in Humans
- Sex Determination in Humans
- Hormones Other than Sex Hormones
- Role of Hormones in Completing the Life History of Insects and Frogs
- Reproductive Health
- Nutritional Needs of Adolescents
- Personal Hygiene for Adolescence
Force and Pressure
Friction
Sound
- Sound
- Production of Sound
- Musical Instruments
- Sound Produced by Humans
- Propagation of Sound
- Sound Need a Medium to Travel
- Human Ear
- Characteristics of a Sound Wave
- Oscillator, Oscillation and Oscillatory Motion
- Properties of Sounds
- Loudness and Intensity
- Pitch (Or Shrillness)
- Audibility and Range
- Noise and Music
- Noise Pollution
Chemical Effects of Electric Current
Some Natural Phenomena
Light
Star and Solar System
Pollution of Air and Water
- Pollution and Its Types
- Air Pollution and Its Causes
- Case Study: The Taj Mahal
- Green House Effect
- Preventive Measures of Green House Effect
- Global Warming
- Preventive Measures of Global Warming
- Prevention of Air Pollution
- Water Pollution and Its Causes
- Case Study: Ganga Pollution and Ganga Action Plan
- Potable Water
- Purification of Water
- Prevention of Water Pollution
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Related QuestionsVIEW ALL [4]
The table below shows the data on likely heights of boys and girls as they grow in age. Draw graphs showing height and age for both boys and girls on the same graph paper. What conclusions can be drawn from these graphs?
|
Age (Years) |
Height (cm) |
|
|
Boys Girls |
||
|
0 |
53 |
53 |
|
4 |
96 |
92 |
|
8 |
114 |
110 |
|
12 |
129 |
133 |
|
16 |
150 |
150 |
|
20 |
173 |
165 |
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