Work Sheet for Grade 7

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Work Sheet Class-VII Subject - Science WORK-SHEET
S.A. 1

Chapter - 1 Chapter - 2 Chapter - 3 Chapter - 4 Chapter - 5 Chapter - 6 Chapter - 7

Nutrition is plants Nutrition in animals Fibre to fabric Heat Acids, Bases and salts Physical & Chemical Changes Weather, Climate and Adaptations of Animals.

Prepared by : 1. Jayanti Singh (TGT, N.Sc.) GGSS, Avantika, Sec-1, Rohini 19955119 2. Upma Mittal (TGT, N.Sc.) GGSSS, Samaipur 19890509 Under the guidance of Mrs. Shashi Bala Saini (Principal) SV, Sec-7, Rohini

1

Lesson - 1
Nutrition in Plants
Q.1 Match the following :Column 1 a) b) c) d) e) f) Q.2 Plants Animals Pitcher Plant Fungi Lichens Cuscuta (Amarbel) Column II i) ii) iii) iv) v) vi) Saprotrophs Autotrophs Heterotrophs Insectivorous Plant Symbiotic relationship Parasitic Plants Answer a b c d e f

Neatly label the following diagram.

Diagram showing photosynthesis Q.3 Label the following diagram of stomata.

Stomata
2

Q.4

Fill in the blanks

Q.5

Complete the following equation representing photo oyntheris.

CO2 + Carbondioxide

Sunlight H2O ------------------- Car......hy ..........+ ox....g...... Water Ch......ph......

3

Worksheet -2 L-2
Nutrition in Animals
Q.1 i) ii) iii) iv) v) Fill in the blanks. The conversion of complex food is called ________________ A ____________ is an association of symbiotic relationship between an alga and a fungus. A plant that has both autotrophic as well as heterotrophic mode of nutrition is ____________. The mode of taking in food by organism and its utilization by the body for its various activities is called _____________. The relationship in which two different organisms live together in such a way that benefit each other in some way is called the _______________. Q2. i) ii) Correct the following sentences by correcting the highlighted words : Roots are the main site of photosynthesis in plants. Boiled and cooled water with a pinch of salf and some sugar which is given to the

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