Download Plant Growth

The City School
Prep Girls North Nazimabad
Class-6 (Science)
Topic: Plant Growth
Name: ___________________________ Sec: _________ Date: ______________
PHOTO SYNTHESIS
LIGHT
MAKING
SOMETHING
Green Plants only stay in o____ place to make food.
PHOTOSYNTHESIS means using light to make food. P_______________________________
Takes place on G___________ L_______________.
Green leaves uses light to change CARDON DIOXIDE gas and W___________ into
F___________ and O___________.
2) Draw arrows next to each label to show the
PHOTO SYNTHESIS process.
Carbon dioxide
in
Food out
Light in
Food out
Oxygen out
Water in
Q3. What are the main parts of plants and what are their functions?
_____________________________________________________________________________________
_____________________________________________________________________________________
_____________________________________________________________________________________
Q4. What does a plant need to grow well?
_____________________________________________________________________________________
_____________________________________________________________________________________
Q5. Write down the equation for photosynthesis?
_____________________________________________________________________________________
_____________________________________________________________________________________
Q6. A mnemonic (pronounced ‘nem-on-nick’) is a word or phrase used to help you remember a list of
things. LAWN is a mnemonic for remembering what a plant needs to grow. What do each of the letters
stand for?
____________________________________________________________________________
Across
1 A plant pigment that absorbs sunlight. (11)
4 The links between the energy that
carnivores get from eating to the energy
captured by photosynthesis. (4,5)
7 Chlorophyll absorbs every color of sunlight
except this. (5)
8 A compound needed for photosynthesis.
(6,7)
10 The product of photosynthesis. (5)
Down
2 The process by which plants and some
bacteria use the energy from sunlight to
produce sugar. (14)
3 Part of the plant where photosynthesis
generally occurs. (6)
5 A compound needed for photosynthesis.
(5)
6 An animal that eats plants. (9)
9 A by-product of photosynthesis. (6)
10 Number of molecules of oxygen produced
along with one molecule of sugar. (3)
Q2. What substance does a tree use for food?
a. photosynthesis
b. chlorophyll
c. glucose
d. leaves
Q3. What causes a tree's leaves to appear green?
________________________________________________________________________________
Q4. What substance does a tree use for food?
a. photosynthesis
b. chlorophyll
c. glucose
d. leaves
Q5. How does a tree get water?
a. It makes water in its leaves.
b. It turns glucose into water.
c. It absorbs water through its roots.
d. It uses photosynthesis.
Q6. Fill these gaps. ( water, sugar, carbon dioxide, light, oxygen)
Photosynthesis is a process where plants use _____________ from the sun to convert __________
from the air and ______________ from the soil into ________________ to feed the plant and
________ is given out in the air.
Q2. Name the by- product of photosynthesis. _________________________________________.
Q3. Plants take in Co2 from the atmosphere mainly through their ___________.
Q4. Encircle the best option.
i.
ii.
iii.
iv.
v.
vi.
The substance which the organisms obtain from the surroundings to derive energy
for its maintenance and growth is known as ________________. ( nutrient, sunlight,
chlorophyll, soil)
The plants which can grow without soil but in water are called _________________
(hydroponic, aquatic, aeroponic, healthy plants)
A brown substance which plants need to grow well is called ________________.
(soil, fertilizer, nutrients, chemical)
Carrots have a _______________, a single main root that grows deep into the soil.
(tap roots, fibrous roots, aerial roots, simple roots)
Example of a plant with a taproot system is (onion, cacti, corn, rose)
Root system that consists of many similarly sized roots that form a dense, tangled
mass is ………………………….
(taproot system, fibrous root system, adventitious roots, aerial roots)
Q5. Complete the given passage by given words.
Plants make their own ____. They use a
gas in the air called carbon dioxide, water
and nutrients from the ____. They take
these up through their _____. These
nutrients travel up the ____ of the plant
and reach out to the leaves. The stem of
the _____ is an essential transport route. It
carries _____ and nutrients from the roots
to the leaves. The leaves then turn these
into ____ for the rest of the plant. The
stem also supports the leaves and
_______. By growing upwards the stem
helps the leaves reach the
____________________.
flowers
stem
plant
soil
water
sunshine
food