Work Sheet Class-VII Subject - Science WORK-SHEET
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) Plants b) Animals c) Pitcher Plant d) Fungi e) Lichens f) Cuscuta (Amarbel)
Column II i) Saprotrophs ii) Autotrophs iii) Heterotrophs iv) Insectivorous Plant v) Symbiotic relationship vi) Parasitic Plants
Q.2 Neatly label the following diagram.
Answer a b c d e f
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. Sunlight
CO2 + H2O ------------------- Car......hy ..........+ ox....g...... Carbondioxide Water Ch......ph......
3
Worksheet -2 L-2
Nutrition in Animals
Q.1 Fill in the blanks. i) The conversion of complex food is called ________________ ii) A ____________ is an association of symbiotic relationship between an alga
and a fungus. iii) A plant that has both autotrophic as well as heterotrophic mode of nutrition is
____________. iv) The mode of taking in food by organism and its utilization by the body for its
various activities is called _____________. v) The relationship in which two different organisms live together in such a way that
benefit each other in some way is called the _______________.
Q2. Correct the following sentences by correcting the highlighted words : i) Roots are the main site of photosynthesis in plants. Ans. ______________________________________________________________ ii) Boiled and cooled water with a pinch of salf and some sugar which is given to
the patient suffering from diarrhea is called iodine solution. Ans. ______________________________________________________________ iii) False feet in amoeba are called vacuoles. Ans. ______________________________________________________________ iv) Cellulose is digested by ruminants in rumen. Ans. ______________________________________________________________ v) Green pigment present in leaves is rhizobium. Ans. ______________________________________________________________ Note :- Under lined words should be highlighted. Q.3 Match the items in Column I with Column II :
Column I a) Liver b) Salivary gland
Column II i) Acid release ii) Storage of undigested food
4
c) Small intestine d) Large intestine e) Rectum f) Stomach
iii) Bile secretion iv) Complete digestion v) Absorption of water vi) Release of faeces
Answer : a. b. c. d. e. f.
Q.4. Complete the table : Animal
Snail Ant Eagle Butterfly Mosquito House Fly House Fly
Kind of Food
Mode of Feeding
Help boxes :
Column I
Blood
Sweet
Nectar
Blood
Waste food
Flesh
Column II
Siphoning
Chewing
Capturing Sucking
Sucking Siphoning
Q.5 Label the following diagrams :
5
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