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WorksheetsREVISON U1+U2
Total questions: 24
Worksheet time: 16mins
"Plants often change some of the............, for storage"
Fill in the plank.
oxygen into starch
glucose into starch
light into starch
all wrong
Which part of the plant is needed for reproduction?
Flower
Leaf
Stem
Root
Name part A.
(a)
This flower has large petals to attract insects.
For which stage in plant life cycle is this important?
(a)
What other name, apart from consumer and carnivore, can be given to the seal in the food chain?
(a)
The place where an organism lives that provides it with shelter, food and water
ecosystem
community
population
habitat
True or False:
"Plants only need water for support, cooling and cycling"
True
False
Look at the picture and answer this question: Insect can often smell flowers from hundreds of metres away. Suggest how the scent from flowers spread out into the air around them.
which row is correct?
Flowers are not the reproductive organs of plants
the male parts of the flower are the stamens.
Ovules contain the male gametes
Petals have dark colours and strong scents to attract insects
base on what we have learn about the definition of "fruit". Which of these are fruits.
mango
potato
been pod
all are correct ones
which food net is correct?
Phytoplankton -> krill -> squid -> leopard seal
Phytoplankton -> krill -> fish -> leopard seal
Phytoplankton -> krill -> squid -> leopard seal
Phytoplankton -> krill -> fish -> leopard seal
How do adaptations help animals?
to hide from predators
to survive in their habitats
to hunt for food
all of these are correct
The job of part B is to produce pollen.
Why is pollen important?
It is the female sex cell.
It is the male sex cell.
It provides food for the plant.
It grows into a new plant.
Photosynthesis is a chemical reaction, in the presence of sunlight. What are the reactants?
carbon dioxide and oxygen
carbon dioxide and water
glucose and oxygen
water and glucose
To test if starch is present in a leaf, we use
the "taste test"
ethanol, after soaking the leaf in iodine
iodine solution after heating the leaf in ethanol
all are wrong
Choose all that apply:
Water is necessary for plants for the following reasons:
Note: Choose more than one answer please!
keep plants firm and upright
transport of mineral salts
encourage evaporation in the plant
keeping the plant cool
Pollination is
the transfer of pollen from the stigma to the anther
when the male gamete fuses with the female gamete
the development of pollen grains
the transfer of pollen from the anther to the stigma
Flowers are
important on Valentine's Day
mportant for photosynthesis
the reproductive organs of plants
another name for a plant
Choose all that apply"
The stamen is composed of: choose more than one answer
anther
stigma
filament
ovary
The function of the anther is to:
hold the filament
produce pollen
hold the stigma up
attract pollinators
Pollen grains are made in the
anther
filament
ovary
style
Choose all that apply (choose more than one)
Flowers which depend on the wind to pollinate are typically
bright coloured
not brightly coloured
have smooth pollen
produce large amounts of pollen
Choose the correct order for seed formation in a plant:
zygote produced, male gamete fuses with female gamete, mitosis, embryo formed, ovule becomes a seed
embryo formed, male gamete fuses with female gamete, zygote produced, mitosis, ovule becomes a seed
male gamete fuses with female gamete, zygote produced, embryo formed, mitosis, ovule becomes a seed
male gamete fuses with female gamete, zygote produced, mitosis, embryo formed, ovule becomes a seed
Choose all that apply: choose more than one!
Nitrates are needed for healthy plant growth, as they
help the plant increase the rate of photosynthesis
help the plant develop proteins
prevent stunted growth in plants
prevent leaves turning yellow
