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Resource Person: Sonia Aswani
SUBJECT : SCIENCE
TOPIC
: NUTRITION IN PLANTS
Revision Worksheet No: 1
Ref. Text: Oxford New Science in everyday life
Date of Issue: 07/04/2015
Name of the Student: _______________________Class VII & Sec: ____Roll No: ____
Q.1.Why is sun called the ultimate source of energy for all forms?
Q.2. I kept moist bread in a box, Mould grew very quickly on it .Why is it so?
Q.3 Name a plant that is both autotrophic and heterotrophic. Explain
Q.4. Iodine/Potassium iodide solution detects the presence of which organic substance in
leaves. What will we observe if the test is positive?
Q.5. A farmer has planted Leguminous trees around his farm .Do you think it will help him.
If yes, how?
Q.6. Ameena wiped the leaves of a plant with an oily cloth to give it a shiny look. After few days
the plant died. Can you explain why it so happened?
Q.7. We sometimes, grow Money plant in water in our homes. What is this method of growing
plants called?
Q.8. Animals and humans also have water, air , sunlight and all other raw materials required
for photosynthesis, but still, they can’t carry out photosynthesis. Why?
Q.9. Leaves of certain variety of cabbage are purple in colour. Are they able to do
photosynthesis? Give a suitable reason?
Q.10. What is the stored form of carbohydrates in plants?
Fact file
In a single year, one hectare of
forest absorbs about 22 tonnes
of carbon dioxide and gives
out 16 tonnes of oxygen every
year.
Did you know????
Rafflesia ( world’s largest
flower) is also a parasitic plant.
INDIAN SCHOOL MUSCAT INDIAN SCHOOL MUSCAT INDIAN SCHOOL MUSCAT
MIDDLE SECTION MIDDLE SECTION MIDDLE SECTION MIDDLE SECTION
SUBJECT : SCIENCE
TOPIC
: Nutrition in Plants
Task Worksheet No: 1
Ref. Text: Oxford –New Science in everyday life
/10
Date of Issue: …/04/2015.
Signature of the Teacher :
Name: _______________________________Class VII & Sec. __Roll. No. ________
Q.1. Fill in the blanks:
/ 2.5
1. The entire process of taking in food and using it for growth and maintenance of the body by
the living organisms is called_______________________
2. The relationship in which the both the types of plants mutually gain from each other is
called _______________________
3.________________is an association between a fungus and an algae.
4. During photosynthesis, plants obtain carbon di oxide from the atmosphere through
____________________
5. ________________plants grow in places with lot of rotting places.
Q.2. Multiple choice questions. Choose the most appropriate answer.
/2.5
1. Which of these is not necessary for photosynthesis?
a) Carbon dioxide b) Chlorophyll
c) Nitrogen
d) Light
2. Which of these is a Saprotroph?
a) Venus fly trap b) Mushroom
d) Dodder
c) Pitcher plant
3. Which of these is absorbed by the plant during photosynthesis?
a) Oxygen
b) Carbon dioxide c) Nitrogen
d) Water vapour
4. Two plants live in association, benefitting from each other are
a) Saprophytic
b) Parasitic
c) Symbiotic
d) Insectivorous
5. Manures and fertilizers make the soil
a)Depleted of nutrients b) Replenished with nutrients
c) Dry d) Unhealthy
Q.3. Name the following:
/2
1. A plant pigment that absorbs sunlight.____________
2. A plant that eats insects is called ._________________
3. The cells which form stomata.__________________
4. The gas released during photosynthesis.__________________
Q.4 .: Identify the plants and state their mode of Nutrition .
PLANTS
NAME
/ 3
MODE OF NUTRITION
______________________
___________________________
___________________________________
_____________________________
___________________________
____________________________