Jagpreet singh

Physical And chemical change

1 change is generally reversible .2 Brownish film on iron object kept in open air is called .3 Chemical change involves formation of .4 is formed in burning of magnesium5 Presence of & are necessary for rusting.6 water makes the process of rusting fast.7 Rusting can be prevented by &…

Fibre to Fabric

Q 1 Fill in the blanks1 Wool is obtained from of sheep/yak2 wool is common in ladakh/tibet3 Mahair wool is obtained from4 Under fur of kashmiri goats is woven into shawls/ fibers called .5 & yield wool obtained in south Africa .6 Shearing sorting .7 breed is used for hostery…

Nutrition In Animals

BREAKDOWN OF COMPLEX FOOD INTO SIMPLE ONE IS KNOWN AS _. PASSING OF DIGESTED FOOD INTO BLOOD VESSELS OF ____________INTENSTINE. PROCESS OF REMOVAL OD FAECAL MATTER FROM BODY IS KNOWN AS _.4.ABSORBED FOOD TRANSPORTED INTO DIFFERENT ORGANS TO BUILD PROTEINS IS CALLED______. PROCCESS OF TAKING IN FOOD IS CALLED __…

Nutrition In plants

MCQ1 Which of the following is not required for photosynthesisa chlorophyll c oxygenb sunlight d carbon dioxide2 Centrally located spherical structure inside a cell isa nucleus c cell wallb. cell membrane d. cytoplasm Jelly like substances surrounding nucleus is calleda. nucleus c. cell wallb. cell membrane d. cytoplasm Transportation of…

Data Handling

RAINFALL RECORD OF WEEK]0.02.112.42.15.50.03.1FIND 1) RANGE2) MEAN3) MEDIAN4) MODE WRITE TRUE/FALSEMODE IS ALWAYS A NUMBER FROM DATA.MEDIAN IS ALWAYS A NUMBER FROM DATA.MEAN IS ALWAYS A NUMBER FROM DATA. JAGPREET ELEVATES A MOUNTAIN AT RATE OF 3m/ min OF HE STARTED OF GROUND LEVEL,IN WHICH TIME HE REACHES 250m ABOVE…

Perimeter and Area

FIND AREA AND PERIMETER OF A SQUARE WITH SIDE 5cm. FIND AREA AND PERIMETER OF A RECTANGLE WITH LENGTHcm AND BREATH 3cm. A WIRE OF LENGTH 16cm WAS BENT TO MAKE A SQUARE , FIND AREA OF SQUARE . A WIRE OF LENGTH 26m WAS BENT TO MAKE A RECTANGLE…

RATIONAL NUMBERS

WRITE THE FOLLOWING WITH +ve DENOMINATERi) -5/-11 ii)-3/-9 iii)7/-6 ARE BOTH NUMBERS EQUAL ?2/3 AND -16/-24 WRITE FOLLOWING IN STANDARD FORM 36/-24 PUT <,>,=i) -7/5 -3/8ii) 6/10 -11/12iii) 8/9_________-64/-72 ARRANGE IN DESENDING ORDER-4/9 , 7/-18 , 2/-3, -5/12 SOLVE FOLLOWING :-i) 2/7 * -3/8 iii) -4/7 + 0ii) (-2/8 /…

Microrganisms Friend and foe

Exercise Fill in the blanks:(a) Microorganisms can be seen with the help of a .(b) Blue green algae fix directly from air to enhance fertility of soil.(c) Alcohol is produced with the help of .(d) Cholera is caused by .Solution:(a) microscope(b) nitrogen(c) yeast(d) bacteria Tick the correct answer.(a) Yeast is…

CROP PRODUCTION AND MANAGEMENT

EXERCISE http://Exercise Exercise Questions 1. Select the correct word from the following list and fill in the blanks. float, water, crop, nutrients, preparation (a) The same kind of plants grown and cultivated on a large scale at a place is called _____________. (b) The first step before growing crops is…

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