Showing posts with label class10-science. Show all posts
Showing posts with label class10-science. Show all posts

Tuesday 20 August 2019

Major Changes in CBSE Examination in 2020 For Class 10 and 12 (#eduvictors)(#cbse)

Major Changes in CBSE Examination in 2020 For Class 10 and 12


CBSE has made some changes in the examination pattern for class 10 and 12 in the academic
session 2019-20.

As per the new exam pattern, CBSE has given more weight to the school-based/internal assessment.

Please watch the video to get the idea of important changes that would happen in CBSE Examination in 2020 i.e. for academic session 2019-20



Friday 5 July 2019

CBSE Class 10 - Science Term-I Sample Question Paper (Set-2) (2019-20) (#cbsepapers)(#eduvictors)

CBSE Class 10 - Science
 Term-I Sample Question Paper (Set-2)
 (2019-20) 

CBSE Class 10 - Science  Term-I Sample Question Paper (Set-2)  (2019-20) (#cbsepapers)(#eduvictors)

Getting good marks is very important for students of class 10. For this one must practice and attempt sample question papers within time limits.

Here follows a sample question paper on Science subject to assess your knowledge about the subject.

For studying you may refer following help guides:

Tuesday 2 July 2019

CBSE Class 10 - Biology - Control and CoOrdination (MCQs-2)(#cbsenotes)(#eduvictors)

Control and Coordination 

(MCQs-2)
Class 10 Biology
CBSE Class 10 - Biology - Control and CoOrdination (MCQs-2)(#cbsenotes)(#eduvictors)
credits:wikipedia



Q1: _________ is necessary to obtain energy from glucose and fatty acid. 
(a) Oxygen 
(b) Hydrogen 
(c) Water 
(d) Nitrogen 



Q2: The movement of the plant in response to the stimulus of light is called _________ movement. 
(a) geotropic 
(b) hydrotropic 
(c) phototropic 
(d) chemotropic 



Q3: In certain sensitive plants like Mimosa, movement is in response to the stimulus of ________ . 
(a) gravity 
(b) air 
(c) light 
(d) touch 

Sunday 30 June 2019

CBSE Class 10 - Science Term-I Sample Question Paper (Set-1) (2019-20) (#cbsepapers)(#eduvictors)

CBSE Class 10 - Science
 Term-I Sample Question Paper (Set-1)
 (2019-20) 

CBSE Class 10 - Science  Term-I Sample Question Paper (Set-1)  (2019-20) (#cbsepapers)(#eduvictors)

Getting good marks is very important for students of class 10. For this one must practice and attempt sample question papers within time limits.

Here follows a sample question paper on Science subject to assess your knowledge about the subject.

For studying you may refer following help guides:

Tuesday 25 June 2019

Class 10 - Chemistry - Chapter 2 - Acids, Bases and Salts (MCQs-2) (#eduvictors)(#class10Chemistry)

Acids, Bases and Salts (MCQs-2)

Class 10 - Chemistry
Class 10 - Chemistry - Chapter 2 - Acids, Bases and Salts (MCQs-2) (#eduvictors)(#class10Chemistry)


Q1:  Which one at the following is acidic?
(a) Lemon juice 
(b) tomatoes 
(c) Milk 
(d) All of these

Q2: Which one of the following will turn red litmus blue?
(a) Vinegar 
(b) Baking soda solution 
(c) Lemon juice
(d) Soft drinks


Q3: Which one of the following will turn blue litmus red
(a) Vinegar
(b) Lime water
(c) baking soda solution 
(d) Washing soda solution

Thursday 13 June 2019

CBSE Class 10 - Physics: Electricity - Multiple Choice Questions (MCQs-2) (#eduvictors)(#cbsenotes)

Electricity

MCQs (Set-2)
Class 10 - Physics
CBSE Class 10 - Physics: Electricity - Multiple Choice Questions (MCQs-2) (#eduvictors)(#cbsenotes)


Q1: The rate of flow of an electric charge is known as: 
(a) electric potential 
(b) electric conductance 
(c) electric current 
(d) none of these 


Q2: The SI unit of electric current is: 
(a) ohm 
(b) ampere 
(c) volt 
(d) Faraday


Q3: The instrument used for measuring electric current is: 
(a) ammeter 
(b) galvanometer 
(c) voltmeter 
(d) potentiometer 

Monday 3 June 2019

CBSE Class 10 - Physics - Electricity - Very Short Questions and Answers (#class10Physics)(#cbsenotes)(#eduvictors)

CHAPTER-12 ELECTRICITY 

VERY SHORT ANSWER QUESTIONS
CARRYING 1 MARK WITH ANSWER

CBSE Class 10 - Physics - Electricity - Very Short Questions and Answers (#class10Physics)(#cbsenotes)(#eduvictors)


Q1: What is represented by joule/coulomb? 

Answer: It represents potential difference.

Q2: A charge of 2C moves between two plates, maintained at a p.d of 1V. What is the energy acquired by the charge? 

Answer: W=QV=2×1=2J

Q3: Why are copper wires used as connecting wires? 

Answer: The electrical resistivity of copper is low

Q4: A wire of resistivity 10 ohm meter is stretched to double its length. What is its new resistivity? 

Answer: It remains same because resistivity depends on nature of material.


Q5: What is the resistance of connecting wire? 

Answer: The resistance of a connecting wire, which is made of good conductor, is negligible.

Tuesday 21 May 2019

Class 10 - Chemistry - Chapter - Acids and Bases - Keys Points To Remember (#class10Chemistry)(#cbsenotes)(#eduvictors)

 Acids and Bases 
Class 10 - Chemistry 
(Important Points To Remember)

Class 10 - Chemistry - Chapter - Acids and Bases - Keys Points To Remember (#class10Chemistry)(#cbsenotes)(#eduvictors)

Acids are the substances which taste sour, change blue litmus red, are corrosive to metals and furnish H⁺ ions in their aqueous solutions.

Bases are the substances which taste bitter, change red litmus blue, feel slippery and furnish OH⁻ ions in their aqueous solutions.

Acid-base indicators are dyes or mixtures of dyes which are used to indicate the presence of acids and bases.

Indicators are the substances that show one colour in an acidic medium and another colour in a basic medium. Litmus, phenolphthalein and methyl orange are commonly used indicators. Onion, Vanilla extract and Clove oil are olfactory indicators.

Tuesday 14 May 2019

CBSE Class 10 - Biology - Life Processes - Worksheet (#cbsenotes)(#class10Biology)(#cbsenotes)

Class 10 - Biology 

Life Processes - Worksheet

CBSE Class 10 - Biology - Life Processes - Worksheet (#cbsenotes)(#class10Biology)(#cbsenotes)

Fill in the blanks

1. The organisms which synthesize their own organic food are called as ___________ .


2. __________ nutrition involves the intake of complex material prepared by other organisms


3. ____ are required for the synthesis of proteins.


4. ____ regulate the exchange of gases and loss of water vapour in plant.

Tuesday 7 May 2019

CBSE Class 10 - Chemistry - Acids and Bases - Indicators (#class10ChemistryNotes)(#eduvictors)(#cbsenotes)

Chemistry - Acids and Bases - Indicators

CBSE Class 10 - Chemistry - Acids and Bases - Indicators (#class10ChemistryNotes)(#eduvictors)(#cbsenotes)

Questions and Answers


Q1: Why there is a need for indicators to test acids and bases?

Answer: It would be too dangerous to taste a liquid to find out if it was acidic or basic. Chemists use substances or dyes called indicators which change colour or odour when they are added to acids or bases.


Q2: What is an indicator? Give examples of indicators.

Answer:  An indicator is a dye or substance that changes colour or its smell when it is put into acid or a base. An indicator gives different colours in acid and base. Thus an indicator tells us if the given substance is an acid or base by changing its colour. The three common indicators are: Litmus, Methyl orange, phenolphthalein.


Q3: What are different types of indicators?

Monday 29 April 2019

Amazing Human Body - Quick Facts (#humanbody)(#eduvictors)

Amazing Human Body - Quick Facts 

Amazing Human Body - Quick Facts (#humanbody)(#eduvictors)

1.  The hardest bone in the human body is the jawbone.

2.  The number of eye blinks varies greatly from about 29 blinks each minute if you are talking to someone to only 4 blinks each minute if you are reading.

3.  The average human blinks 25 times per minute.

4.  A nail takes around 6 months to grow from base to the tip.

5.  Each second 10,000,000 cells die and are replaced in your body.

Friday 26 April 2019

CBSE Class 10 - Biology - Chapter: Life Processes - Assertion Reasoning Type Questions (#eduvictors)(#cbsenotes)

Class 10 - Biology Chapter: Life Processes Assertion Reasoning Type Questions 

CBSE Class 10 - Biology - Chapter: Life Processes - Assertion Reasoning Type Questions (#eduvictors)(#cbsenotes)

From session 2019-20 onwards, CBSE introduces a new pattern of questions which are assertion and reasoning based. 

The questions below consist of statements of an Assertion and a Reason. Use the following key to choose the appropriate answer:

(A) If both assertion and reason are CORRECT and the reason is the CORRECT explanation of the assertion.

(B) If both assertion and reason are CORRECT, but the reason is NOT THE CORRECT explanation of the assertion.

(C) If the assertion is CORRECT, but the reason is INCORRECT

(D) If the assertion is INCORRECT, but the reason is CORRECT

(E) If both assertion and reason are INCORRECT

QUESTIONS:

1. ASSERTION: Molecular movements are needed for life.
REASON: Body structures made up of these molecules need continuous repair and maintenance.

Tuesday 16 April 2019

Class 10 - Biology - Life Processes - Nutrition in Human Beings - Very Short Answer based Questions (#class10Biology)(#cbsenotes)(#eduvictors)

Class 10 - Biology - Life Processes -  Nutrition in Human Beings 

Very Short Answer based Questions

Human Alimentary Canal
Image Credits: clker.com

Q1: What is common name of buccal cavity?

Answer: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _


Q2: Name the enzyme present in saliva?

Answer: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _


Q3: Which organ releases gastric juice?

Answer: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _


Q4: Name the digestive juice(s) received by small intestine.

Answer: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _


Q5: Name the largest digestive gland.

Answer: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _