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WorksheetsWeek 2-4 Life Science Competition
Total questions: 39
Worksheet time: 20mins
All birds ______________________.
can fly
can make their own food
has fur as their outer covering
has feathers as their outer covering
All insects_____________________.
can make their own food
has 3 body parts and 6 legs
has 2 body parts and 8 legs
has 2 legs and a beak
Tick all boxes that are characteristics of living things.
They respond to changes.
They have an outer covering.
They make their own food.
They reproduce.
Ferns are different from mushrooms because ________________.
They respond to changes.
They reproduce by spores.
They can make their own food.
They cannot be seen under a microscope.
Flowering plants reproduce by ______________ but non-flowering plants reproduce by ______________.
fruits........seeds.
spores......seeds.
seeds.....spores.
fruits.....spores.
The grasshopper has ___________ stages in its life cycle. They are the egg, ___________ and adult.
3.....baby
4....nymph
3...nymph
4.....larva
The larva of a butterfly will shed its skin as it grows larger from eating. This process is called ___________.
melting.
moulting.
moulding
meowing.
Insects whose young resemble their adults have _____ stages in its life cycle.
3
2
4
From the statement below, which word would you change to make the sentence true?
In the large intestine, water is absorbed from the digested food.
large
water
digested
Digestion ends at the _____________________.
mouth
small intestine
stomach
large intestine
anus
The ________________ of the cell controls all activities in the cell
nucleus
cell membrane
cytoplasm
cell wall
The ________________ of the cell controls the movement of substances in and out of the cell
nucleus
cell membrane
cytoplasm
cell wall
The ________________ of the cell gives the cell a fixed shape.
nucleus
cell membrane
cytoplasm
cell wall
The plant cells that contain chlorophyll must have been taken from the ______________ of the plant.
flower
stem
leaf
root
The lungs ___________________________________.
pumps blood all around the body.
pumps gas all around the body.
is the site for gaseous exchange.
The heart ___________________________________.
pumps blood all around the body.
pumps gas all around the body.
is the site for gaseous exchange.
The blood carries _________________________________________.
water
carbon dioxide
oxygen
digested food
undigested food
Blood from the arms are transported to the __________ before being transported to the ____________.
lungs.....heart
heart....lungs
During a run, more blood is transported to the legs because the legs need __________________.
more oxygen and digested food to produce more energy.
more carbon dioxide and oxygen to produce more energy.
more carbon dioxide and digested food to produce more energy.
In the male human reproductive system, the ___________ produces ___________.
sperms....testis
testis.....sperms
penis....sperms
In the female reproductive system, the ______________ holds the ____________.
egg....ovary
ovary....eggs
womb....ovary
Pollination is the_________________________________________.
transfer of pollen grain from stigma to anther
fusing of the male and female sex cell.
fusing of the pollen grain and stigma
transfer of pollen grain from anther to stigma.
Fertilisation is the_________________________________________.
transfer of pollen grain from stigma to anther
fusing of the male and female sex cell.
fusing of the pollen grain and stigma
transfer of pollen grain from anther to stigma.
The pollen grains are produced by the _____________
filament
anther
stigma
style
In flowering plants, ________________ takes place first. After that, ____________ takes place.
fertilization......pollination
pollination.....fertilization
The __________________of the flower develops into a fruit.
ovary
ovule
stigma
style
The number of seeds present in a fruit depends on the number of ______________ the flower had.
ovary
ovule
stigma
style
Fruits that are dispersed by water have __________________.
fibrous husk to trap air and allow it to float.
hard and dry pods.
wing-like structure
hook-like structure
fleshy and juicy flesh.
Fruits that are dispersed by wind have __________________.
fibrous husk to trap air and allow it to float.
hard and dry pods.
wing-like structure
hook-like structure
fleshy and juicy flesh.
Fruits that are dispersed by animals can have the following characteristic(s):
fibrous husk to trap air and allow it to float.
hard and dry pods.
wing-like structure
hook-like structure
fleshy and juicy flesh.
Fruits that are dispersed by splitting can have the following characteristic(s):
fibrous husk to trap air and allow it to float.
hard and dry pods.
wing-like structure
hook-like structure
fleshy and juicy flesh.
Seeds are dispersed _____________________________________.
to encourage overcrowding.
to reduce overcrowding.
to pollinate other plants.
Which of the following conditions are needed for seed germination?
air
water
sunlight
warmth
Which of the following conditions are needed for photosynthesis to take place?
sunlight
carbon dioxide
oxygen
water
chlorophyll
Which of the following are produced during photosynthesis?
sugar
carbon dioxide
oxygen
water
chlorophyll
When iodine solution changes from reddish brown to blue black, it means starch is ____________ and photosynthesis __________________.
present.....did not take place
absent.....did not take place
absent.....has taken place
present.....has taken place
Moving a lamp closer to a plant will cause the rate of photosynthesis to __________________.
increase
decrease
remain the same
When the lamp was turned on, bubbles were produced by the plant as seen in the diagram. The bubbles contain ______________.
carbon dioxide
oxygen
nitrogen
water vapour
Which organ(s) break food up into smaller pieces?
large intestine
small intestine
stomach
gullet
mouth
