Numbers Quiz (CTET/Class6/Class7/Class 8)

Numbers Quiz

(CTET/Class6/Class7/Class 8)

Q1: 2, 4, 6, 8, 10 ... are

(a) prime numbers
(b) even numbers
(c) odd numbers
(d) none of these

Q2: The roman number CD in decimal form is

(a) 100
(b) 500
(c) 400
(d) 0

CBSE to conduct National Informatics Olympiad 2012-13 Examination

National Informatics Olympiad 2012-13 First Stage

CBSE is conducting National Informatics Olympiad test along collaboration with the Indian Association for Research in Computing Science (IARCS), Mumbai, across the  country and abroad.

The competition examination is open for classes VIII to XII.

The first stage examination consisting of the Zonal Informatics Olympiad (ZIO) will take place on
Saturday November  3, 2012 between 10.00 a.m. and 01.00 p.m.

Class 9 - CH8 - Properties of a Parallelogram (NCERT Ex 8.1)

Properties of a Parallelogram 

(NCERT Exercise 8.1 + other Problems)

Q1: (Theorem) Prove that the two diagonals of a parallelogram bisect each other.

Answer:

Given: ABCE is a parallelogram. Diagonals AC and BD intersect at point O.

CTET - CHILD DEVELOPMENT AND PEDAGOGY - MCQs-3

CHILD DEVELOPMENT AND PEDAGOGY

(MCQs asked in various TET Examinations) 
[You may get details about Central Teacher Eligibility Test (CTET) its website and may get previous years papers also]

(MCQs-3)

Q1: The process whereby the genetic factors limit an individual's responsiveness to the environment is known as

(a) Discontinuity
(b) Differentiation
(c) Range of reaction
(d) Canalization

CBSE Class 10 - Maths - CH4 Quadratic Equations (Ex 4.1)

Quadratic Equations

NCERT Exercise 4.1

Standard form of equation is 

ax² + bx + c = 0

where a, b and c are the co-efficients and a ≠ 0

Q1: Check whether the following are quadratic equations :
(i)   (x + 1)² = 2(x – 3)
(ii)  x² – 2x = (–2) (3 – x)
(iii) (x – 2)(x + 1) = (x – 1)(x + 3)
(iv) (x – 3)(2x +1) = x(x + 5)
(v)  (2x – 1)(x – 3) = (x + 5)(x – 1)
(vi) x² + 3x + 1 = (x – 2)²

Answer:

CBSE Class 9 - Science - CH 3 - Atoms and Molecules

Atoms and Molecules

Molecular Structure

NCERT Solution, MCQs, Study Notes, Q & A

Q1: Who established the two important laws of chemical combinations?

Answer: Antoine L. Lavoisier and Joseph L. Proust

Q2: What are the laws of chemical combinations?

Answer: These are group of laws which describe how different elements and compounds combine together to form new compounds. Most of these were established based on chemical experimental results. These laws are:

CBSE Class 7 - Science - CH 7 - Weather, Climate and Adaptations of Animals to Climate

Weather, Climate and Adaptations of Animals to Climate

Weather Applet on
your smartphone.
Can you identify weather icons?

NCERT Solution, Q & A, MCQ

Q1(NCERT): Name the elements that determine the weather of a place.

Answer: Following are the important elements that determine weather of a place:

• Temperature
• Air pressure
• Humidity
• Rainfall
• Wind Speed