CBSE Class 10 - Science - Ch 16 - Management of Natural Resources (Worksheet)

Management of Natural Resources

(Worksheet)

Recycling is important for ecological stability
credits:openclipart

Fill in the blanks

1. ________________ is a group of bacteria, found in human intestines, whose presence in water indicates contamination by disease-causing microorganisms.

2. The ______ of water is something that can easily be checked using universal indicator.

3. The three R’s to save the environment are __________, ___________ and ___________.

4. _________ means that you use less.

CBSE Class 9 - Chemistry - CH4 - Structure of Atom (MCQs)

Structure of Atom

Bohr Model
credits:clker.com

MCQs


Q1: Proton was discovered by:

(a) Rutherford
(b) Goldstein
(c) Chadwick
(d) J.J. Thomson


Q2: Canal rays are _______________

(a) negatively charged particles
(b) positively charged particles
(c) beam of neutrons
(d) gamma radiation


Q3: α-particles are ___________

(a) negatively charged particles
(b) positively charged particles
(c) beam of neutrons
(d) gamma radiation

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