CBSE Class 9 - Science - CH14 - Natural Resources (Worksheet)

Natural Resources

(Worksheet)

Ozone Layer
credits:classroomclipart

Fill in the blanks

1. Hot air is ___________ than cold air.

2. Green plants convert carbon dioxide into glucose in the presence of ______________.

3. The life-supporting zone of the Earth where the atmosphere, the hydrosphere and the lithosphere interact and make life possible, is known as the ____________.

4. The space among the soil particles are filled with ________.

CBSE Class 8/9/10/CTET - English Comprehension (Unseen Poem)-2

Reading Comprehension

(Unseen Poem)

Q1(CTET 2012): Directions: Read the poem given below and answer the questions that follow by selecting the most appropriate option.

I build walls
Walls that protect,
Walls that shield,
Walls that say I shall not yield
Or reveal
Who I am and how I feel.

CBSE Class 7 - Science - Reproduction in Plants

Reproduction in Plants

Concept Map on Reproduction of Plants
Flower image credits: wpclipart

NCERT Chapter Solution, Q & A

Q1:  Fill in the blanks

Answer:
(a) Production of new individuals from the vegetative part of parent is called_vegetative propagation_.

(b) A flower may have either male or female reproductive parts. Such a flower is called_unisexual flower_.

(c) The transfer of pollen grains from the anther to the stigma of the same or of another flower of the same kind is known as _pollination__.

(d) The fusion of male and female gametes is termed as _fertilization___.

(e) Seed dispersal takes place by means of _wind__, __water_ and _animals_.

(f)  Asexual reproduction in spirogyra is an example of _fragmentation__.

(g) Mosses, Ferns, Moulds etc. reproduce by _spores___ formation.

CBSE Date Sheet for Class 10 and Class 12 Examination (Mar 01, 2013)

Date Sheet for Class 10 and Class 12

CBSE has released Date Sheet for Class 10 and Class 12.

SECONDARY SCHOOL EXAMINATION,2013 starts from March 01, 2013 to March 15, 2013.

SENIOR SCHOOL EXAMINATION,2013. Examination starts from March 01, 2013 to April 17, 2013.
You may download the date sheets (Class 10 and Class 12) from CBSE website.

DATE SHEET FOR SECONDARY (Class 10) SCHOOL EXAMINATION,2013

CBSE Class 9 - History - Forest Society and Colonialism

Forest Society and Colonialism

Mahua Collector from Chhattisgarh
credits:flicker Chhattisgarh: Full of Surprises

MCQs from CBSE Examinations

Q1: Which of the following was not a tribal community?

(a) Karacha
(b) Jhum
(c) Korava
(d) Yerukula


Q2: The system of scientific forestry stands for:

(a) system whereby the local farmers were allowed to cultivate temporarily within a plantation
(b) system of cutting old trees and plant new ones
(c) division of forest into three categories
(d) disappearance of forests


Q3: Indian Forest Service was set up in the year:

(a) 1865
(b) 1864
(c) 1854
(d) 1884

CBSE Class 9 - CH4 - Structure of Atom (Worksheet)

Structure of Atom

Carbon-Atom
credits:openclipart

Worksheet (Fill in the blanks)

1.  Atoms are made up of __________, ___________ and __________.

2. ________ rays are negatively charged.

3. The fundamental particle not present in hydrogen atom is __________.

4. Anode rays are also called ___________.

5. Rutherford's scattering experiment is related to to the size of ____________.

CBSE Class6/7/8 - PUNCTUATION (English Grammar)

PUNCTUATION

Rewrite the following sentences after inserting the necessary punctuation marks and use the capital letters, wherever required.

1. will you help me.
2. delhi the capital of india stands on the banks of the river yamuna.
3. mrs jindal knows english hindi urdu bengali tamil and punjabi
4. how beautiful the sky is
5. mother should i stay or leave
6. where do you want to go asked meera
7. she had a banana an apple a sandwich and a cup of coffee for breakfast
8. pardon me o god

CBSE Class 9 - English (Comm.) Workbook - Prepositions (Unit 8)

PREPOSITIONS

1. Read the following passage on New Zealand.

New Zealand is a Mecca for nature lovers. Throughout most of New Zealand's geological history, it was a bird's paradise. The islands were once part of the southern super - continent Gondwana from which they broke off around 80 million years ago before mammals had evolved and spread.

(courtesy : Terra Green Sept 2008 issue 06)

Answer:

The underlined words express a relationship usually of space or time between the words with which they stand. Such 'Positional' words which are used before nouns (pre-position) are called ___prepositions_____

CBSE Class 6/7/8 - English Grammar - Degrees of Adjectives

Degrees of Adjectives 

Q: Fill in the blanks with correct degree of adjective:

1. Mohan is _________ than Sohan (wise).
2. This bag is too big; do you have a ________ one? (small)
3. The pears are __________ than the plums. (hard)
4. Mohan is the _________ of the two boys. (tall)
5. Chinese is ___________ than English. (difficult)
6. Saina is one of the ________ badminton player in the world. (good)
7. This is the ___________ painting in the museum. (valuable)

CBSE Class 8 - Science - CH 18 - POLLUTION OF AIR AND WATER

POLLUTION OF AIR AND WATER

NCERT Solution, Q & A

Q1: What are the different ways in which water gets contaminated?

Answer: Water gets contaminated in the following ways:

1. Various industrial units dispose off the chemicals in rivers. These chemicals are harmful and poisonous and contaminate water.
2. Water gets contaminated when sewage is disposed off (without any treatment) in rivers.
3. Ground water gets contaminated by harmful insectisides and pestisides sprayed by farmers and it becomes unfit for drinking.

Q2: At an individual level, how can you help reduce air pollution?