Monday, 21 January 2013

CBSE Class 10 - Maths - Applications of Trigonometry (MCQs)

Applications of Trigonometry 
CBSE Class 10 - Maths - Applications of Trigonometry (MCQs)
Land Surveyor using Theodolite

(MCQs)


Q1: When a point is observed, the angle formed by the line of sight with the horizontal level where the point being viewed is above the horizontal plane is known as:

(a) angle of triangle
(b) angle of depression
(c) angle of elevation
(d) none of these


Q2: When we raise our hand to look at the object, the angle formed by the line of sight with
horizontal is known as:

(a) obtuse angle
(b) angle of elevation
(c) angle of depression
(d) acute angle


Sunday, 20 January 2013

CBSE Class 9 - Value Based Questions (Social Studies- SA-2)

Value Based Questions and Answers
CBSE Class 9 - Value Based Questions (Social Studies)

In SA-II examination, there shall be 1 or 2 value based questions of 3-5 marks.

Here follows Value based Questions in Social Science:


Q1(CBSE Sample Paper): While analysisng the given table, which values you think are distrubing the balance of the country?

   (a) Gender Ratio (Female - Male) 46% : 54%
   (b) Occupation (Secondary - Primary) 55% : 35%

Answer:
(a) Gender Ratio: Female-Male ratio as 46%:54% is a matter of grave concern for the country.
  1. It indicates how the girl child is neglected.
  2. female foeticide, poor medical care and poor nutrition to girl child are the possible causes for low female ratio.
  3. Society's gender bias towards girl has led to this difference and it will lead to dire consequences.


Saturday, 19 January 2013

CBSE Class 10 - Biology - Heredity and Evolution (MCQs)

Heredity and Evolution

(MCQs)

Q1: Which type of variation is inherited?

(a) Somatic Variation
(b) Germinal Variation
(c) Both Somatic and Germinal
(d) None of these


Q2: The organs which perform different functions but have the same basic structure are called:

(a) Vestigial organ
(b) Analogous organs
(c) Homologous organs
(d) Analytic organs

Thursday, 17 January 2013

CBSE Class 9 - History - CH8 - Clothing: A Social History

Clothing: A Social History
Indian Woman
credits:classroomclipart

MCQs

Q1: In medieval France, the royalty could wear expensive clothes like:

(a) silk
(b) ermine
(c) velvet
(d) all of these

Q2: During French revolution, which colours became popular in French clothing:

(a) Red and Black
(b) Blue, White and Red
(c) Black
(d) Red, Yellow and Blue

Q3: Sumptuary Laws in medieval Europe were meant

(a) to allow hunting game in certain areas
(b) to protect home production against imports
(c) to define what the rich and poor could wear
(d) All of these

Wednesday, 16 January 2013

CBSE Class 7 - Science - Ch 17 - Forests: Our Lifeline

Forests: Our Lifeline

NCERT Chapter Solution

Q1: Explain how animals dwelling in the forest help it grow and regenerate.

Answer: Various types of animals (herbivores, carnivores, omnivores) live in forests and contribute to food chain. Following animal activities show how animals help forest grow and regenerate.
  1. Animals help in dispersal of seeds and pollination of flowers.
  2. Animals excreta and their dead bodies when mixed win soil act as manure for the plants.
  3. Micro organisms convert dead plants and leaves into humus which is rich in nutrients. Humus in soil provide necessary minerals for plant growth.
Q2:  Explain how forests prevent floods.

Tuesday, 15 January 2013

CBSE Class 11- PSA Study Material by Delhi NCT Govt. Teachers


Class 11 -PSA Sample Paper




Following is study material for PSA test, compiled by Delhi NCR Govt. teachers. You may download 280 page pdf from this link.

CBSE Class 9 - PSA Sample Papers by Delhi Govt. Teachers


Class 9 -PSA Sample Paper




Following is study material for PSA test, compiled by Delhi NCR Govt. teachers. You may download 147 page pdf from this link.

CBSE Class9 - English Comm. Workbook - Integrative Grammar Practice - 7

INTEGRATIVE GRAMMAR PRACTICE 7




Q1: Edit the following magazine article about youth in sport.

The Great National Sports Talent Search (a) consist of workshops and tournaments arranged in (b)any different parts of (c) a country. The talent scouts' aim (d) are to look out for local talent in the age range of eight to eighteen years. Thus, it would be far (e) wise if young sportswomen and men (f)were help so that they have plenty of time to develop their talent. Sports academies normally only (g) having students whose talents (h) is already recognized. If India does not invest in sports it can not hope to perform well at the International level.

Answer:

(a) (i) consisted
     (ii) consists ✓
    (iii) is consisted
    (iv) has consisted

(b) (i) much
     (ii) few
     (iii) little
     (iv) many ✓

(c) (i) the ✓
     (ii) these
    (iii) an
    (iv) some

Sunday, 13 January 2013

CBSE Class 9 - Science - CH 12 Sound (MCQs)

SOUND
MCQs

Q1: Which of the following waves do not require any kind of medium to propagate?

(a) Sound
(b) Earthquake waves
(c) Light waves
(d) Water surface waves

Q2: Waves produced on the surface of water are:

(a) Longitudinal only
(b) Transverse waves only
(c) Electromagnetic Waves
(d) Both Longitudinal and Transversal

Friday, 11 January 2013

CBSE Class 10 - Science - CH 16 - Management of Natural Resources (Q and A)

Management of Natural Resources
Management of Natural Resources
Why do we need to use our resources carefully?

Q & A

Q1(CBSE 2011): What is coliform bacteria? What does its presence in water indicate?

Answer: Coliform is a group of bacteria which is found in human intestines. Its presence in water indicates contamination by disease-causing microbes. Its high presence in rivers and ponds elevates the risks of water borne diseases like gastroenteritis.

Q2(CBSE 2011): State two reasons of launching "Ganga Action Plan". Which bacteria was found in Ganga water indicating contamination?