GREEN LAND CONVENT SCHOOL(Senior Secondary)

CIVIL CITY, LUDHIANAFormative Assessment-1 (May-2013)

Name : ________ Class: VII M.M : 20Roll No.: ________ Sec: ____ Time : 1 hrSub: Science Set: A Date : ________

Note:- (i) Attempt all the questions in neat and clean handwriting. (ii) Draw diagram with proper labeling.

I Tick (√) the correct option: 1.The eye in a hurricane is a region of 1 . (a)High pressure (b)Low pressure

(c)Both (a) and (b) (d)None of these

2.The end products of respiration are:- (a)Only Carbon dioxide (b)Carbon dioxide and water (c)Energy and carbondioxide (d) Carbon dioxide, water and energy

3.In plants ,water is transported through . (a)Xylem (b)Ploem (c)Stomata (d)Root hair 4.Last stage of sewage treatment . (a)Chlorination (b)Sludge (c)Sedimentation (d)None of these 5. The colour of blood is red due to the presence of . (a)Chlorophyll (b)Anthocyanin (c)haemoglobin (d)Red blood cells 6.Alveoli are structures present in . (a)Lungs (b)Bronchi (c)Gills (d)All the above

II Define the following: a.Contaminants-_____________________________________________________________________________________________________________________________________________________________________________________________

b.Thuderstorm-________________________________________________________________________

________________________________________________________________________________________________________________________________________________

c.Exhalation-________________________________________________________________________________________________________________________________________________________________________________________________________________________

III Answer the following questions: (a)Why does an athlete breathe faster and deeper than usual after finishing the race ? (b)Why is blood by all the parts of a body? (c)Why should oils and facts be not released in the drain ?Explain. ii)Define Sewage?

IV Draw a neat & labelled diagram of Human circulatory heart.

GREEN LAND CONVENT SCHOOL(Senior Secondary)

CIVIL CITY, LUDHIANAFormative Assessment- III (Dec-2013)

Name : ________ Class : VIII M.M : 20Roll No.: ________ Sec: ____ Time : 1 hrSub : Science Set: B Date :

________

Note:- (i) Attempt all the questions in neat and clean handwriting. (ii) Draw diagram with proper labelling.I Tick (√) the correct option: (3)

1Which one of the followings place is unlikely to be affected by a cyclone .(a)Chennai (b)Mangaluru (c)Amritsar (d)Puri 2.In cockroaches ,air enters the body through (a)Lungs (b)Gills (c)Spiracles (d)Skin3.Water absorption through roots can be increased by keeping the plants (a)In the shade (b)Under the fan (c)in the dim light (d)covered with a polythene bag 4.First stage of sewage treatment .(a)Sludge (b)Chlorination (c)Passing through screened (d)None of these 5.Blood cells which protect the body from infection are.(a)RBC (b)Platelets (c)WBC (d)Haemoglobin 6.During heavy exercise ,we get cramps in the legs due to the accumulation of (a)Carbon dioxide (b)lactic acid (c)Alchol (d)Water

II Define the following: (3)a.Wastewater

Ans:_______________________________________________________________________________________________________________________________________________________________________________________________________________________

b.Cyclone Ans:____________________________________________________________________________________________________________________________________________________________________________________________________________________

c.Inhalation :_______________________________________________________________________________________________________________________________________________________________________________________________________________________

III Answer the following questions: (6)a) How do gills help a fish to breathe ? Ans:___________________________________________________________________________________________________________________________________________________________________________________________________

b) What are stomata?Give two functions of stomata .Ans:_________________________________________________________

__________________________________________________________________________________________________________________________________________c) i) Explain the function of bar screens in a wastewater treatment plant .Ans:___________________________________________________________________________________________________________________________________________________________________________________________________

ii) Define Sludge .Ans:___________________________________________________________________________________________________________________________________________________________________________________________________

IV Answer the following questions: (6)(a) What are the precautions to be taken against accomplished by

lightening ?Ans:_________________________________________________________

_____________________________________________________________________________________________________________________________________________

(b) Outline your role as an active citizen in relation to sanitation

Ans:______________________________________________________________________________________________________________________________________________________________________________________________________

V Draw a neat & labelled diagram of Human excretory System. (2)