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Friday 21 September 2018
Thursday 20 September 2018
Wednesday 19 September 2018
CBSE Class 9 - Cell Biology - 7 Points about Plasmolysis (#cbsenotes)(#eduvictors)
Cell Biology - 7 Points about Plasmolysis
Plasmolysis vs Flaccid vs Turgid Credits: Wikimedia, Author: LadyOfHats |
1. When a living plant cell loses water through osmosis there is shrinkage or contraction of the contents of the cell away from the cell wall. This phenomenon is known as plasmolysis
(plasma → fluid; lysis → disintegration, decomposition).
2. Only living cells, and not dead cells, are able to absorb water by osmosis.
3. Cell walls permit the cells of plants, fungi and bacteria to withstand very dilute [hypotonic] external media without shrinkage.
Class 7 - Mathematics - Chapter - Algebraic Expressions (Very Short Questions and Answers) (#cbsenotes)(#eduvictors)
Algebraic Expressions
(Short Questions and Answers)
Class 7 - Mathematics
Worksheet
Fill in the blanks
Q1: An algebraic expression containing three terms is called a __________.
Q2: Factors of -5x²y²z are : _____________________________________.
Q3: Sum or difference of two like terms is a ______________.
Q4: -5a²b and -5b²a are ________________ terms.
Q5: In the expression 2πr, the algebraic variable is ___________ and 2π is ________.
Tuesday 18 September 2018
Class 6 - Social Science - Our Pasts 1 - Kings and Kingdoms - Vedic Period (Key Terms)(#cbsenotes)(#eduvictors)
Class 6 - Social Science - Our Pasts I
Kings and Kingdoms - Vedic Period
(Key Terms)
1. Indo-Aryans:
They were Aryans who migrated from Central Asia to India.
2. Sapta Sindhu:
means the region of seven rivers. This was the region in which the Aryans first settled when they came to India.
means the land of the Gods. The region where the Aryans lived during the Earth Vedic Age was called Brahmavarta.
4. Aryavarta:
means the land of Aryans. The Gangetic Plain where the Aryans settled during the Later Vedic Age was called Aryavarta.
5. Janas:
They were the tribes into which the Aryans were organized.
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