1) Plants are living things? a) Yes b) No 2) Most plants are tree parts, select the correct one a) Roots, stems and flowers b) Stems, leaves and flowers c) Roots, stems and leaves 3) Trees can be a) Deciduous b) Both c) Evergreen 4) What are deciduous trees? a) They lose their leaves in winter b) They keep their leaves in winter c) No lo se 5) Some plants produce a) Flowers, fruit and donuts b) Flowers, fruit and seeds c) Flowers, seeds and leaves 6) What is a bush? a) A plant with one thick and hard stem b) A plant that loses its leaves in winter c) A plant with many thick and hard stems 7) What are evergreen trees? a) They lose their leaves in winter b) They keep their leaves all year round c) No lo se 8) What is a tree? a) A plant with one thick and hard stem b) A plant that keep its leaves in winter c) A plant with many thick and hard stems 9) What are the types of plants? a) Grasses, bushes and seed b) Grasses, bushes and trees c) Flowers, bushes and trees 10) What is a grass? a) A plant with one thick and hard stem b) A plant that keep its leaves in winter c) A plant with many thick and hard stems d) A plant with soft stems. They are thin and flexible 11) How plants reproduce? a) Using seeds or spores b) Using seeds or roots c) Using seeds and gymnosperms 12) Seed plants types (sexually) a) Gymnosperms and angiosperms b) Have roots, stems and leaves c) Have no true roots, but have stems and leaves 13) Gymnosperms a) Plants without flowers; have cones (pine trees) b) Plants with flowers (cherry trees) c) Have no true roots, but have stems and leaves 14) Gymnosperms a) Produce fruit with seeds inside b) Produce seeds inside a cone c) Fern spores are on the underside or leaves 15) Angiosperms  a) Plants without flowers; have cones b) Plants with flowers c) Have no true roots, but have stems and leaves 16) Angiosperms a) Produce fruit with seeds inside b) Produce seeds inside a cone c) Fern spores are on the underside or leaves 17) Non-seed plants (axesually) a) Have roots, stems and leaves b) Have no true roots, but have stems and leaves c) Both are correct 18) Non-seed plants with roots, stems and leaves a) Fern spores are on the underside of leaves b) Moss spores are inside capsules c) Both are correct 19) Non-seed plants with no ture roots, but with stems and leaves a) Fern spores are on the underside of leaves b) Moss spores are inside capsules c) Both are correct d) Both are incorrect 20) Parts of a flower a) Stamen, stigma, petals, ovary, carpel and sepals (7) b) Stamen, pollen, petals, ovary, carpel and sepals (7) c) Petals, ovary, carpel and sepals (5) 21) What is the stamen? a) These are bright and colourfil. They attract insects to the flower b) This is the male reproductive organ It produce pollen c) This is the lower part of the carpel and contains ovules that become seeds 22) What is the petals? a) These are bright and colourfil. They attract insects to the flower b) These are small green leaves at the base of the flower. They protect the flowrs before it opens. c) This is the lower part of the carpel and contains ovules that become seeds 23) What is the ovary? a) This is at the tip of the carpel. It's sticky so it can collect pollen b) These are small green leaves at the base of the flower. They protect the flowrs before it opens. c) This is the lower part of the carpel and contains ovules that become seeds 24) What is the sepals? a) This is at the tip of the carpel. It's sticky so it can collect pollen b) These are small green leaves at the base of the flower. They protect the flowrs before it opens. c) This is the female reproductive organ. It includes the stigma and ovary. 25) What is the stigma? a) This is at the tip of the carpel. It's sticky so it can collect pollen b) These are small green leaves at the base of the flower. They protect the flowrs before it opens. c) This is the female reproductive organ. It includes the stigma and ovary. 26) What is the stigma? a) These are bright and colourfil. They attract insects to the flower b) These are small green leaves at the base of the flower. They protect the flowrs before it opens. c) This is the female reproductive organ. It includes the stigma and ovary. 27) How many steps have the life cycle of a seed plant a) six (6) b) five (5) c) ten (10) 28) The life cycle of a seed plant a) 1)Pollen lands on the stigma - 2)The ovules inside the ovari develop into seeds. and grows into a fruit - 3)The fruit fall on the ground and opens (germinate) - 4)The roots and stems grow from the seeds - 5)The first leaves appear - 6)The new plant produces flowers and the cycle begins again. b) No lo se c) 1)The ovules inside the ovari develop into seeds. and grows into a fruit - 2)The fruit fall on the ground and opens (germinate) - 3)The roots and stems grow from the seeds - 4)The first leaves appear - 5)The new plant produces flowers and the cycle begins again. - 6)Pollen lands on the stigma 29) What is pollination? a) Is the transfer of pollen from the petals to the ovary b) Is the transfer of pollen from the stamen to the stigma 30) Types of pollination a) Animal and wind pollination b) Only animal pollination c) Only wind pollination 31) What is animal pollination? a) A bee transfer pollen from one plant to another b) A cat transfer pollen from one plant to another 32) What is wind pollination? a) A bee transfer pollen from one plant to another b) Wind transports pollen from one plant to another 33) What is photosynthesis? a) Process in plants by which they produce their own food, sugars. b) Process in trees by which they produce their own food, sugars and chocolat 34) Plants use their roots to collect water and minerals from the soil a) True b) False 35) Plants use their stem to transport the water and mineral to theis leaves a) True b) False 36) Plants use chlorophyll in the plant cell to absorb sunlight a) True b) False 37) Plants convert the water, carbon dioxide and sunlight into sugar and osygen a) True b) False 38) Daytime, plants take carbon dioxide (CO2) and releases oxygen (O2) a) True b) False 39) Nigth-time (respiration), plants take carbon dioxide (CO2) and releases oxygen (O2) a) True b) False 40) Nigth-time (respiration), plants take oxygen (O2) and releases carbon dioxide (CO2) a) True b) False

Natural Science - Unit 4

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