Class 9 Maths - Important Identities (#class9Maths)(#eduvictors)

Class 9 Maths - Important Identities

(a+b)² = a² + 2ab+ b²

(a–b)² = a² –2ab + b²

a² – b² = (a+b)(a–b)

Class 10 Biology: Life Processes (Worksheet) (#class10Biology)(#cbse2021)(#eduvictors)

Class 10 Biology: Life Processes (Worksheet)

Fill in the blanks with suitable words.

1. ____ regulate the exchange of gases and the loss of water vapour from the leaves.

2. Who won the Nobel Prize for his work on photosynthesis?

3. ____are stacks of thylakoid membrane.

4. Photosynthesis occurs in which organelle of the cell?

5. Iodine can be used to test the presence of____.

Chemistry - Colours Of Compounds For CBSE Class 12, 11, 10 and 9 (#class12Chemistry)(#class11Chemistry)(#ntse)(#neet)(#eduvictors)

 Chemistry - Colours Of Compounds For CBSE Class 12, 11, 10 and 9 

Salts/Compounds     Colour

1. Potassium dichromate, K₂Cr₂O₇ Orange

2. Potassium permanganate, KMnO₄ Violet

3. Ferric tetra-oxide, Fe₃O₄ Black

4. Ferrous sulphate, FeSO₄.7H₂O Green

5. Ferric sulphate, Fe₂(SO₄)₃ Yellow

6. Ferric hydroxide, Fe(OH)₂ Green

CBSE Class 9 Geography: India - Size and Location (MCQs) (#class9Geography)(#cbse2021)(#eduvictors)

CBSE Class 9 Geography: India - Size and Location (MCQs)

Choose the right answer from the four alternatives given below.

Q1: The Tropic of Cancer DOES NOT pass through:

(a) Rajasthan

(b) Chhattisgarh

(c) Odisha

(d) Tripura

Q2: The easternmost longitude of India is:

(a) 97° 25' E

(b) 68° 7' E

(c) 77° 6' E

(d) 82° 32' E

CBSE Class 9 - Maths - Real Numbers (MCQs) (#class9Maths)(#cbse2021)(#realnumbers)(#eduvictors)

CBSE Class 9 - Maths - Real Numbers (MCQs)

Choose the correct option in each of the following questions:

Q1. Which of the following is a rational number?

(a) 2√3

(b) π

(c) 0

(d) √3 + 1

Q2. Every point on a number line represents

(a) a rational number 

(b) a natural number 

(c) an irrational number 

(d) a real number

Common Chemical Compounds – Names and Formulas (General Science)(#chemistry)(#compete4exams)(#eduvictors)(#class12Chemistry)(#NEET)(#JEE)

 Common Chemical Compounds – Names and Formulas 

(General Science)

In competition exams like NEET, JEE, NTSE etc. generally, the chemical names are asked in these exams. 

The list of all the important Names and Formulas of Common Chemical Compounds is given here: weblink

 

Biology: Know Your Vitamin Quiz (#biology)(#NEET)(#PreMedical)(#Class12Biology)(#compete4exams)(#eduvictors)

Know Your Vitamins Quiz

1. What is the source of Vitamin A in Leafy vegetables?

2. Which Vitamin is known as the anti-infetive vitamin

3. Which Vitamin is used for ELISA test (AIDS)?

4. Which Vitamin contains Cobalt?

Physicists and Their Major Contributions (#class11Physics)(#Class12Physics)(#NEET)(#JEE)(#Physics)(#eduvictors)

Physicists and Their Major Contributions

For Class 11/Class 12 Physics - NEET - JEE

Physics deals with the study of the basic laws of nature and their manifestation in different phenomena. The basic laws of physics are universal and are applied in widely different contexts and conditions. Physics is a basic discipline in the category of natural sciences which also includes other disciplines like Chemistry and Biology. The word physics comes from a Greek word meaning nature.

Here is a partial list of Physicists and their contributions in various fields of physics.

CBSE Class 10 Maths Revision Worksheet (All Chapters) (#class10Maths)(#cbse2020)(#eduvictors)

CBSE Class 10 Maths Revision Worksheet (All Chapters)

Fill in the blanks with suitable words.

1. HCF of any two primes numbers is always __________.

2. LCM of Smallest prime number and the smallest composite number is _______.

3. A _________ is a polynomial of degree 0.

4. We get the original polynomial if we multiply its ________ together.

5. If we draw x = a and y = b graphically then we get lines intersecting at _________.

CBSE Class 11 Biology - The Living World - Very Short Answer Based Questions(VSQA)(#eduvictors)(#class11Biology)

The Living World - Very Short Answer Based Questions

CBSE Class 11 Biology

Q1: Who is called Father of Biology and Zoology?

Q2: Name the Father of Botany.

Q3: Father of Plant Physiology

Q4: Father of Mycology

CBSE Class 8 - Science - Force, Pressure and Friction (Multiple Choice Questions)(#eduvictors)(#cbseClass8Science)

Force, Pressure and Friction 
(Multiple Choice Questions)

CBSE Class 8 - Science

Q1. Force on an object
  (a) must change the speed of the object if it is moving.
  (b) may change the direction of motion.
  (c) must change the shape of object. .
  (d) none of these


Q2. Strength of a force is expressed by 
   (a) Magnitude
   (b) Direction
   (c) Both magnitude and direction
   (d) none of these

3. Force of friction is
   (a) contact force
   (b) non-contact force
   (c) gravitational force
   (d) electrostatic force

A Black Sheep (English Idioms and Phrases)(#eduvictors)(#englishidioms)

A Black Sheep

Meaning:

CBSE Class 6 - 8 English Grammar - Forming Comparative and Superlative Adjectives (Worksheet) (#englishgrammar)(#eduvictors)

Forming Comparative and Superlative Adjectives (Worksheet)

CBSE Class 6 - 8 English Grammar

Fill in the blanks with suitable adjective forms.

1. Meena is _________ than Manoj (tall).

2. Meena is __________ of all the students. (tall)

3. My hair is _________ than your hair.

4. Radha is ______ than his brother. (wise)

5. Of all the students in the class, Roma is ___________. (thin)

CBSE Class 10/9/8 - English - Reading Comprehension (Unseen Passage) (Set-14)(#eduvictors)(#readingComprehension)

English - Reading Comprehension 

(Unseen Passage) (Set-14)

For CBSE Class 8 - 10

Reading comprehension is an ability to read content, comprehend its significance, and to incorporate with what the reader knows already.

The motivation behind reading  is comprehension, that is, to be able to gather meaning from the passage text. Comprehension skills don't naturally evolve, it requires practice and one has to enhance word recognition and vocabulary skills. Students need to learn techniques to assist them with turning out to be dynamic reader who comprehend and understand the content very well.

Reading comprehension depends on the reader’s experience, knowledge of language and recognition of syntactic structure.
To solve reading comprehension, follow these steps:

Step 1: Read the entire passage at a moderate pace (not very slow not very fast)
Step 2: Try to identify main points and summarize the contents of each paragraph in your own words.
Step 3: Do some doodling on rough sheet i,e, create graphic organisers (webs, cause and effect charts, outlines) 
Step 4: Try to map a story.
Step 5: For data or date related passages, do mental maths quickly.
Step 6: Don’t make conclusions which are not in the comprehension.
Step 7: Answer the questions by eliminating the wrong options.


Question 1:  Read the passage given below and complete the statements that follow:

(1) Tourists to Jammu and Kashmir have another attraction – a floating post office on the Dal Lake in Srinagar, the first in the country. ‘Floating Post Office, Dal Lake’ – claimed to be the only one such post office in the world – is built on an intricately carved maroon houseboat, fastened on the western edge of the Dal Lake.

English Vocabulary - Commonly Confused Words (Part-5) (#eduvictors)(#EnglishVocabulary )

Commonly Confused Words 

(Part-5)

English Vocabulary 

English is full of phrases or words, which sound the same or comparable yet have distinctive meanings and are sometimes confusing too. Here is the third list of commonly confused words.

Biannual, Biennial
Biannual is twice in one year,
Biennial means every two years

CBSE Class 10 English - Cloze Test (Part 2) - Fill in the Blanks (New Pattern 2019-2020)(#class10English)(#eduvictors)

Class 10 English - Cloze Test (Part 2) 

Fill in the Blanks 

(New Pattern 2019-2020)

A Cloze Test or Cloze Reading Test is an exercise where the candidates are provided with a passage which has certain words missing from it. It follows logically that to ace such an assessment, you must have a strong command over English Language,  Grammar and Good Vocabulary. More importantly, it is important to understand the flow and context of the passage. Keep reading to know the tips that will help you to solve questions based on Cloze Test.



Directions : In Question Nos. 1 to 10, in the following passage some of the words have been left out. Read the passage carefully and choose the correct answer to each question out of the four alternatives and fill in the blanks.

NTSE/CTET/Competitions - General Knowledge - Environmental Institutes (#GeneralKnowledgeIndia)(#eduvictors)

Environmental Institutes

General Knowledge

NTSE/CTET/Competitions

Among the enormous number of foundations and institutes that manage ecological assurance and environmental  protection, a few of known institutes and organizations  (some are government-funded) are listed underneath:

1. Arid Zone Research Institute—Jodhpur

2. Central Pollution Control Board—Delhi

3. Central Museum Authority—New Delhi

4. Rehabilitation Institute of Social Forestry and Ecology— Allahabad/Pryagraj

5. G. B, Pant Himalayan Environment and Development Institute— Almora

6. Himalayan Forest Research Centres - Shimla

CBSE Class 12/NTSE/ - Chemistry - Functions of Catalysts (#class12Chemistry)(AIPMT)(#eduvictors)

Chemistry - Functions of Catalysts

Catalyst, in chemistry, any substance that increases or decreases the rate of a reaction without itself being consumed. Enzymes are bio catalysts i.e. naturally occurring catalysts responsible for many essential biochemical reactions.

Here is a list of catalysts used in various chemical reactions:


1. In Haber’s process for manufacture of ammonia
    Catalyst: Iron powder

English Vocabulary - Commonly Confused Words (Part-3)(#eduvictors)(#englishvocabulary)

Commonly Confused Words 

(Part-3)

English Vocabulary 

English is full of phrases or words, which sound the same or comparable yet have distinctive meanings and are sometimes confusing too. Here is the third list of commonly confused words.

Amoral, Immoral
Amoral not concerned with right or wrong
Immoral means not following the accepted moral standards

Commonly Confused Words (Part-2) - English Vocabulary (#EnglishVocabulary)(#eduvictors)

Commonly Confused Words 

(Part-2)

English Vocabulary 

Hope you have read and liked the Part-1 post. Here is another list of the most common confusing words.

All right, Alright

All right is the correct form, it means 'in a satisfactory manner' or 'fairly well'

Alright is grammatically incorrect, often used in informal communication.