Thursday, April 27, 2017

CBSE Class 11/12, AIPMT/NEET - Biology - List of Important Proteins and Their Occurrence (#cbsenotes)(#biologynotes)

List of Important Proteins and Their Occurrence



Protein Found Where
Albumin Egg White, Milk, Blood Plasma
Actin Muscle Fibres (Contractile protein)
Collagen Tendon, Bones
Casein Milk, Egg Yolk
Keratin Hair, Horn, feathers, Nail
Cytochrome Mitochondria
Elastin Arteries, Ligaments,Yellow Fibres

Tuesday, April 25, 2017

CBSE Class 6 Maths - Playing With Numbers - NCERT Exercise 3.4 (#cbsenotes)

Playing With Numbers

EXERCISE 3.4
CBSE Class 6 Maths
CBSE Class 6 Maths - Playing With Numbers - NCERT Exercise 3.4 (#cbsenotes)


Q1: Find the common factors of :
(a) 20 and 28 
(b) 15 and 25
(c) 35 and 50 
(d) 56 and 120

Answer:
(a) Factors of 20 = 1, 2, 4, 5, 10, 20
Factors of 28 = 1, 2, 4, 7, 14, 28
Common factors = 1, 2, 4

(b) Factors of 15 = 1, 3, 5, 15
Factors of 25 = 1, 5, 25
Common factors = 1, 5

(c) Factors of 35 = 1, 5, 7, 35
Factors of 50 = 1, 2, 5, 10, 25, 50
Common factors = 1, 5

(d) Factors of 56 = 1, 2, 4, 7, 8, 14, 28, 56
Factors of 120 = 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 60, 120
Common factors = 1, 2, 4, 8

Monday, April 24, 2017

CBSE NEET/AIPMT Class 12 Biology - Animal Nutrition and Digestive System (MCQs) (#cbsenotes)

Animal Nutrition and Digestive System 

(Biology MCQs) For NEET, Pre-Medical and AIPMT  

CBSE NEET/AIPMT Class 12 Biology - Animal Nutrition and Digestive System (MCQs) (#cbsenotes)


Q1 (AIPMT 2014): An alga which can be employed as food for human being is _______.

(a) Ulothrix
(b) Spirogyra
(c) Chlorella
(d) Polysiphonia


Q2: Carrier ions like Na⁺ facilitate the absorption of which of the following substances:

(a) glucouse and fatty acids
(b) amino acids and glucouse
(c) glycerol and fatty acids
(d) fructose and some amino acids


Q3: Which of the following food components reach totally undigested in human stomach?

(a) Protein and Starch
(b) Starch and Fat
(c) Fat and Cellulose
(d) Starch and Cellulose

Sunday, April 23, 2017

CBSE Class 9 - Maths - Number Systems - Important Points To Remember (#cbsenotes)

Number Systems

CBSE Class 9 Maths 
Important Points To Remember
CBSE Class 9 - Maths - Number Systems - Important Points To Remember (#cbsenotes)

Counting numbers 1, 2, 3, 4... are called Natural Numbers (N)


Whole Numbers (W): Natural numbers 1, 2, 3... together with number 0 (zero) are called Whole Numbers


All natural numbers, zero and negative numbers together i.e. ...., –4, –3, –2, –1, 0, 1, 2, 3, 4, ... are known as Integers (Z).


Rational Numbers (Q): Numbers of the form p/q where p, q both are integers and q ≠ 0.


Thursday, April 20, 2017

CBSE Class 10 - Chemistry - Chapter 1 - Chemical Reactions and Equations (#cbsenotes)

Chemical Reactions and Equations 

CBSE Class 10 - Chemistry - Chapter 1 
CBSE Class 10 - Chemistry - Chapter 1 - Chemical Reactions and Equations (#cbsenotes)

Worksheet on Balancing Chemical Equations


Question: Balance the following chemical equations.

Al(s) + Fe₂O₃(s) ---⤑  Al₂O₃(s) + Fe(s)

Na(s) + H₂O ---⤑ NaOH + H₂

NH₃(g) + O₂(g) ---⤑ NO(g) + H₂O(g)

Fe(s) + H₂O(g) ---⤑  Fe₃O₄(s) + H₂(g)

NaOH + H₂SO₄ ---⤑  Na₂SO₄ + H₂O

Hg(NO₃)₂ + KI ---⤑ HgI₂ + KNO₃

CBSE Class 6 Maths - Playing With Numbers - NCERT Exercise 3.3 (#cbsenotes)

Playing With Numbers

EXERCISE 3.3
CBSE Class 6 Maths
CBSE Class 6 Maths - Playing With Numbers - NCERT Exercise 3.3 (#cbsenotes)

Q1: Using divisibility tests, determine which of the following numbers are divisible by 2;
by 3; by 4; by 5; by 6; by 8; by 9; by 10 ; by 11 (say, yes or no):
┌───────┬────────────────────────────────────────┐
│ Number│          Divisible By                  │
├───────┼───┬───┬────┬────┬────┬────┬────┬───┬───┤
│       │ 2 │ 3 │ 4  │ 5  │ 6  │ 8  │ 9  │ 10│11 │
├───────┼───┼───┼────┼────┼────┼────┼────┼───┼───┤
│ 128   │ Y │ N │ Y  │ N  │ N  │ Y  │ N  │ N │ ? │
├───────┼───┼───┼────┼────┼────┼────┼────┼───┼───┤
│ 990   │ ? │ ? │ ?  │ ?  │ ?  │ ?  │ ?  │ ? │ ? │
├───────┼───┼───┼────┼────┼────┼────┼────┼───┼───┤
│ 1586  │ ? │ ? │ ?  │ ?  │ ?  │ ?  │ ?  │ ? │ ? │
├───────┼───┼───┼────┼────┼────┼────┼────┼───┼───┤
│ 275   │ ? │ ? │ ?  │ ?  │ ?  │ ?  │ ?  │ ? │ ? │
├───────┼───┼───┼────┼────┼────┼────┼────┼───┼───┤
│ 6686  │ ? │ ? │ ?  │ ?  │ ?  │ ?  │ ?  │ ? │ ? │
├───────┼───┼───┼────┼────┼────┼────┼────┼───┼───┤
│639210 │ ? │ ? │ ?  │ ?  │ ?  │ ?  │ ?  │ ? │ ? │
├───────┼───┼───┼────┼────┼────┼────┼────┼───┼───┤
│429714 │ ? │ ? │ ?  │ ?  │ ?  │ ?  │ ?  │ ? │ ? │
├───────┼───┼───┼────┼────┼────┼────┼────┼───┼───┤
│ 2856  │ ? │ ? │ ?  │ ?  │ ?  │ ?  │ ?  │ ? │ ? │
├───────┼───┼───┼────┼────┼────┼────┼────┼───┼───┤
│ 3060  │ ? │ ? │ ?  │ ?  │ ?  │ ?  │ ?  │ ? │ ? │
├───────┼───┼───┼────┼────┼────┼────┼────┼───┼───┤
│406839 │ ? │ ? │ ?  │ ?  │ ?  │ ?  │ ?  │ ? │ ? │
└───────┴───┴───┴────┴────┴────┴────┴────┴───┴───┘

Answer:

Tuesday, April 18, 2017

CBSE Class 8 - Our Pasts III - CH2 - From Trade to Territory (MCQs) (#cbsenotes)

From Trade to Territory 

CBSE Class 8 - Our Pasts III - CH2 - From Trade to Territory (MCQs) (#cbsenotes)

MCQs based on NCERT Class 8 - Our Pasts III Chapter 


___________ introduced 'Doctrine of Lapse'

Lord Dalhousie
Robert Clive
Warren Hastings


Who led the East India Company in the Battle of Plassey?

Warren Hastings
Mir Jafar
Robert Clive


When was the Battle of Plassey fought?

1757
1857
1774