Std 6 Chemistry First Semester 2020

 

Enfant India International School

                                                          Semester I  2020-21

   Std- VI                              Subject- Chemistry                              Marks-40

                                                 Section I ( 20 marks )

Q1-Write true or false against each statement:                                                           5m

i.                    Common salt is an element.

ii.                  The symbol of nitrogen is N.

iii.                Melting of ice is a chemical change.

iv.                 Chalk powder can be separated from water by filtration.

v.                   Solids can flow easily.

  Q2-Fill in the blanks with the suitable words-                                                             5m

i-             Burning of a substance is a……….. change.

ii-            Salt can be obtained from sea water by..…….. .

iii-           …………can be compressed to some extent.

iv-           ………....is a metal which is liquid at room temperature.

v-            Most physical changes are…………….. .

Q3-Choose the correct option-                                                                                     5m

i-             Pure substances are classified as-

a.    Elements                 b. Elements and compounds

ii-            Which is a liquid metal?

a.    Iron                          b. Mercury

iii-           The liquid that passes through the filter paper is called-

a.    Residue                   b. Filtrate

iv-           The amount of space occupied by an object is called-

a.    Volume                   b. Material

v-            The molecules are very closely packed in-

a.    Solids                      b. Liquids

Q4- Give one word for the following-                                                                             5m

i.                    The short form used to represent the name of an element.__________

ii.                  A positively charged particle present in the nucleus of atom.________

iii.                A negatively charged particle present in the shell of an atom.________

iv.                 The liquid that dissolves a solid in it._____________

v.                   Anything that occupies space and has mass._____________

 

 

                                                                     Section II ( 20 marks )

Q5- Define any three of the following terms-                                                       2X3= 6m

i.                    Melting point

ii.                  Fusion

iii.                Condensation

iv.                 Atom

v.                   Molecule

Q6- Differentiate between the following-                                                              2X2= 4m

i.                    Chemical change and physical change

ii.                  Mixture and compound

Q7- Give reasons for the following-                                                                     2X2= 4m

i-             Filtration is a better method of separating an insoluble solid component as compared to decantation.

ii-            A chair is considered as solid.

Q8- Answer the following questions-                                                                   2X3= 6m

i-             How can matter be classified on the basis of chemical constitution?

ii-            What do you understand by an alloy?

iii-           Name the elements present in

A.   Sodium chloride ( NaCl )

B.   Calcium oxide ( CaO )

 

 

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Std 7 Biology First Semester 2020

 

 

Enfant India International School

                          Std VII                  Sub Biology                  M.M 40

Instruction : This question paper has two section A and B each of 20 marks .

                                                   Section A (20 marks )

                                                Attempt all the questions

Question 1.

a.    Multiple choice questions                                                                             5×1

i.              In multicellular organism , cells are associated to form

(a)  Organelle

(b)  Tissue

(c)  Organ

(d)  Organism

ii.            The nucleus is absent in

(a)  Parenchyma cells

(b)  Red blood cells

(c)  Neurons

(d)  Squamous epithelial cells

iii.           Which is the milk sugar

(a)  Starch

(b)  Lactose

(c)  Sucrose

(d)  Glucose

iv.           The green pigment in the leaves is

(a)  Anthocyanin

(b)  Chloroplast

(c)  Chlorophyll

(d)  Phycoerethrin

v.            Tentacles are present in

(a)  Hydra

(b)  Tape worm

(c)  Cockroach

(d)  Starfish

b.    Fill in the blanks                                                                                          5×1   

i.              ...............tissue form covering of body.

ii.            Xylem and phloem forms .............tissue in plants.

iii.           .................are called amphibian of plant kingdom.

iv.           In ...............seeds are not enclosed in a fruit.

v.            Chlorophyll traps energy from............

vi.            

c.    State the followings are true or false                                                           5×1

i.              Body of amoeba is formed of a single cell.

ii.            Lymph help us to fight against infection.

iii.           Bacteria are eukaryotic organism.

iv.           Gymnosperms bear flowers.

v.            All pulses are monocot seeds.

d.    Give one word for the followings                                                                 5×1

i.              Animals without backbone.

ii.            Green plants that prepare their own food.

iii.           End product of photosynthesis.

iv.           The underground stem of pteridophytes.

v.            Fluid part of blood.

 

                     Section B   ( 20 marks)

                      Attempt all questions

Question 2.

a.    Name the type of tissue that                                                                      5×1

i.              Transport food from leaves to different parts of plant.

ii.            Is formed of actively dividing cells and helps in plant growth.

iii.           Is formed of dead fibre like cells as bundle sheath in stem and leaves.

iv.           Supports human body.

v.            Forms the wall of heart.

b.    Differentiate between the followings                                                          5×1

i.              Non – flowering and flowering plants.

ii.            Parasitic and saprotrophic plant.

iii.           Gymnosperms and angiosperms.

iv.           Monocot and dicot plants.

v.            Prokaryotic and eukaryotic cells.

c.    Match the followings                                                                                  5×1

Column A                                       Column B

i.              Product of photosynthesis          a. Storage

ii.            Chlorophyll                                  b. Source of oxygen

iii.           Starch                                          c. Glucose

iv.           Water                                           d. Closed at night

v.            Stomata                                       e. Solar energy

d.    Answer the following questions                                                                  5×1

i.              Why we need classification ?

ii.            Write a note on the importance of bacteria.

iii.           Write the function of red blood cells.

iv.           Where apical tissues are found in plants ?

v.            What is tendon ?

 

 

 

 

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Std 8 History/Civics First Semester 2020

Enfant India International School

                                Class 8             Sub History      Marks 40

 

Note -  Attempt all questions every questions carry equal marks

 

            Section-A

 

Que.1.  Fill in the blanks.                                                                                         [10]

1. ………….. and ……….. are the two basic resources essential for industrial growth.
2. Colonies were used as ………….. of the cheap raw material and …………... for finished products.
3. Socialism was a reaction of the evils of ………….   .
4. ……………. and .. ……………. Were employed in large member in dangerous coal mines.
5. Between the 16th and 18th centuries the ……………, ………………., ……………….. , …………….. , and …………… established in Asia Africa and Latin American.

Que.2.  Match the following:-.                                                                                [10]

 

(A)	(B)
Industrial Revolution	a.    Trading company
Socialism	b. Colonise
Trade unions	c. Factory system
Imperialism	d. Equal share of wealth
The English East India company	e. Better working conditions of workers

 

Que.3. True False-                                                                                                  [10]

1. Bahadur Shah ascended The throne after the  death of Aurangzeb.
2. The Mughal court was United and stable.
3. The mogul offers mere given jagir as payments for their services.
4. The Mughal rulers did not have a Navy.
5. The successors of Aurangzeb were very strong and efficient.

             

                              Section- (B)

 

Que.4. Answer the given questions:-.                                                                   [10]

1. When did the transition from the mediaeval to the modern period begin in India?
2. Name the first and last emperor in the time of the later mughals.
3. Which Mughal emperor assumed leadership of the revolt of 1857?
4. Explain the term,  domestic system.
5. Define the term, industrial revolution.

     

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