Thursday, 24 May 2018

CBSE CLASS 10 - Biology - Control and Co-ordination (Important Questions) (#cbsenotes)(#eduvictors)

Control and Co-ordination

(Important Questions to Revise)
CBSE CLASS 10 - Biology - Control and Co-ordination (Important Questions) (#cbsenotes)(#eduvictors)


ONE MARK QUESTIONS

1. Which endocrine gland is unpaired?

2. Which part of the brain controlled posture and balance of the body?

3. Where in a neuron, conversions of electrical signal to a chemical signal occur?

4. Which gland secretes digestive enzyme as well as hormones?

5. We suddenly withdraw our hand when a pin pricks. Name the type of response involved in this action.

6. Name the hormone which helps in regulating sugar level in our blood? Name the gland which secretes this hormone?

7. State the main function of abscises acid

Wednesday, 23 May 2018

CBSE Class 10 - Geography - Resource and Development (Q and A) (#cbsenotes)(#eduvictors)

Resources and development (Q & A)

CBSE Class 10 - Geography - Resource and Development (Q and A) (#cbsenotes)(#eduvictors)

Q1: What is Land Degradation? State the human activities which are responsible for land degradation in India?

Answer: When the land becomes unfit for cultivation, it is called land degradation. Activities responsible for land degradation in India are:
Activities mining
Overgrazing
Over irrigation
Mineral processing
Industrial effluents

Activities mining
Surface mining leads to degradation of land. Mining sites are often abandoned after excavation work is complete, leaving deep scars and traces of overburdening. For example deforestation in states like Chhattisgarh Madhya Pradesh and Odisha is due to mining.

Tuesday, 22 May 2018

CBSE Class 12 - Business Studies - Instruments of Money Market (#cbsenotes)(#eduvictors)

Instruments of Money Market

CBSE  Class 12 - Business Studies - Instruments of Money Market (#cbsenotes)(#eduvictors)

The money market is the arena in which financial institutions provide a broad range of borrowers and investors the opportunity to buy and sell various forms of short-term securities.

INSTRUMENTS OF MONEY MARKET

1. Treasury Bill (T-bills):
It is basically an instrument of short-term borrowing by the Government of India maturing in less than one year. They are also known as Zero coupon bonds.

2. Commercial Paper: 
It is a short-term unsecured promissory note, negotiable and transferable by endorsement and delivery with a fixed maturity period. It is issued by large and creditworthy companies to raise short-term funds at lower rates of interest than market rates. It usually has a maturity period of 15 days to one year.

CBSE Class 9 - Chemistry - Matter in Our Surroundings (MCQs) (#cbsenotes)(#eduvictors)

Matter in Our Surroundings
(MCQs)

CBSE Class 9 - Chemistry - Matter in Our Surroundings (MCQs) (#cbsenotes)(#eduvictors)


1. ______ is a physical quantity which expresses the amount of matter in a body.

(A) Mass
(B) Density
(C) Volume
(D) Temperature


2. The space inside a container that is occupied by matter is its ______.

(A) density
(B) mass
(C) volume
(D) shape


3. ______ is the ratio of mass of a substance to its volume.

(A) Viscosity
(B) Fluidity
(C) Density
(D) Elasticity


Friday, 18 May 2018

CBSE Class 12 - Physics - Alternative Current - Important Theory Questions (#cbsenotes)(#eduvictors)

Alternative Current

(Important Theory Questions)

CBSE Class 12 - Physics - Alternative Current - Important Theory Questions (#cbsenotes)(#eduvictors)


1. Describe the principle construction and working of an AC generator. Draw neat labeled diagram

2. Define mean value of AC(over a half cycle) and derive an expression for it.

3. Define RMS value of AC and derive an expression for it. ()

4. Show that the average value of AC over a complete cycle is zero.

5. Show that the current and voltage are in phase in an ac circuit containing resistance only.


Vocabulary - 10 The Most Confusing Words (#cbsenotes)(#eduvictors)

Vocabulary - 10 The Most Confusing Words

Vocabulary - 10 The Most Confusing Words (#cbsenotes)(#eduvictors)

Ability, Capacity

Ability refers to the power to do something.
e.g. Citrus foods are said to have the ability to prevent colds.

Capacity refers to the ability to hold or contain something.
e,g. This hall has a capacity of 5,000 seats.


About, Approximately, Around

About refers to a rough estimate. Commonly used in face to face speech.
e.g.  We waited about 30 minutes for the bus.

Approximately refers to near accuracy.
e.g.  This school enrolls approximately 4,000 students.

Around refers to a physical proximity or surrounding.
e.g.  We’ll look for you around the front of the building.


Wednesday, 16 May 2018

CBSE Class 8 - Chapter 3: Understanding Quadrilaterals (MCQs) (#cbsenotes)(#eduvictors)

Understanding Quadrilaterals (MCQs)

CBSE Class 8 - Chapter 3: Understanding Quadrilaterals (MCQs) (#cbsenotes)(#eduvictors)


1. A simple closed curve made up of only _____________ is called a polygon .

(a) curves
(b) line segments
(c) lines
(d) closed curves


2. A polygon with minimum number of sides is

(a) Pentagon
(b) Square
(c) triangle
(d) angle


3. Polygons that have no portions of their diagonals in their exteriors are called

(a) Squares
(b) triangles
(c) convex
(d) concave


4. Polygons that have any portions of their diagonals in their exteriors are called

(a) Squares
(b) triangles
(c) convex
(d) concave