Topics
Crop Production and Management
- Crop and Its Types
- Basic Practices of Crop Production
- Soil Formation and Preparation for Agriculture
- 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 Products used as Food
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 Inclusion
- Prokaryotic and Eukaryotic Cell
- Plant Cell and Animal Cell
Reproduction in Animal
- Reproduction in Plant
- Reproduction in Animal and Human
- Mode of Reproduction in Animal
- Asexual Reproduction in Animal
- Sexual Reproduction in Animals
- Male Reproductive System
- Female Reproductive System
- Gametogenesis in Animal
- Fertilization in Human
- Embryonic Development in Human
- 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
- 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
- Force
- Force - Push or Pull
- Forces Are Due to an Interaction
- Exploring Forces
- A Force Can Change the State of Motion
- Force Can Change the Shape of an Object
- Effect of Force
- Types of Force: Contact Force
- Types of Force: Non-Contact Force
- Thrust and Pressure
- Liquid Pressure
- Factors Affecting Liquid Pressure
- Atmospheric 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) and frequency
- 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 [7]
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 |
Read the statements given below and fill up the blanks with the correct words listed in the box.
| deep | ductless | nutrients | thyroxine |
- The meal that includes all ______ is a balanced diet.
- Insufficient production of ______ in the tadpoles leads to their incomplete development.
- Endocrine glands are also called ______ glands.
- After attaining puberty, boys develop a ______ voice.
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