Q.1. Textbook activity question 1] Write the molecular formulae of oxides of the following elements by referring to the […]
1 ) Elements are classified as …………… A ) Metals B ) Non-metals C ) Metalloids D ) All of
1 )The diagram provides.. A ) Morphological Evidences B ) Anatomical Evidances C ) Outward evidences D ) Appearable evidences
1) The heat energy absorbed at constant temperature by unit mass of a solid to convert into liquid is called……………
1]Cell Biology and Biotechnology
2]Cell Biology (Cytology
3] stem cell
4] biotechnology and its application
5] important stages in development of agriculture
7th Std topic 1 Living world : Adaptation and Classification :
Points Of Topic 1] Gravitation 2]Circular motion and centripetal force
3] Kepler’s laws 4] Newton’s universal law of gravitation
5] Acceleration due to the gravitational force of the Earth
6] Free fall
7] Escape velocity
7th science topic 3 Adapation in plants and animals
Acid radical:The ion formed after removal of Hydrogen ion (H⁺ ion) from an acid is called acid radical.Ex: When HCl
All things on the earth are associated with air, water and land. Air is called atmosphere, water is called Hydrosphere
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