1) Jayson takes photos of the insects that land on a plant. He compares the photos to pictures in a book. What question is Jayson trying to answer? a) Why are insects on the plant? b) Where will the plant grow best? c) What insects are attracted to the plant? d) What time of day do insects visit the plant? 2) Worms do not have skeletons. Which group do they belong to? a) Invertebrates b) insects c) Mammals d) vertebrates 3) Polar bears live on ice. What change in the environment would be the greatest danger for polar bears? a) An increase in the Earth's temperature b) A decrease in the Earth's temperature c) An increase in yearly rainfall d) A decrease in yearly rainfall 4) Which change would be harmful to the habitat of a squirrel? a) new plants growing b) changing of the seasons c) cutting down trees d) Trees growing taller 5) What do female animals need to reproduce? a) An insect for pollination b) A male of the same species c) A skeleton for support d) An animal from a different species 6) John has just started to grow facial hair. Which life stage is John going through? a) Childhood b) Puberty c) Adulthood d) Old age 7) Jean plants tomatoes in two different types of soil. After a  month, the plant in Soil number 1 has grown taller than the plant in soil 2. Jean would know that the type of soil had caused the difference in plant growth if she had.... a) Kept one plant in a warmer place than the other plant b) Checked both plants every day c) Given the plants the same volume of water d) Put one plant in a cupboard and one plant on a window sill. 8) The ........................ contains the male gametes (reproductive cells). a) Pollen b) sepal c) petal d) filament 9) The female gametes are contained in the ........................ a) Petal b) Ovule c) Sepal d) Filament 10) The ........................ are often brightly coloured to attract insects a) Sepal b) petal c) ovule d) filament 11) A female frog lays many eggs that are fertilised by the male. a) TRUE b) FALSE c) MAYBE 12) How can bees help in plant reproduction? a) They travel from flower to flower transferring honey. b) They travel from flower to flower transferring pollen. c) They make the plants smell sweet. d) None of the above 13) When a male gamete joins with a female gamete it is called a) agriculture b) fertilisation c) asexual reproduction. d) Binary fission 14) Puberty always starts by the time a boy or girl is 11 years old. a) False b) True 15) The process of puberty in both boys and girls is always complete by their 14th birthday. a) False b) True 16) All old people need help with walking. a) False b) True 17) What is the process of changing from a tadpole to an adult frog called? a) Pollination b) metamorphosis c) Photosynthesis d) Fertilisation 18) The frog eggs hatch into tadpoles. a) True b) False 19) The tadpole’s tail shrinks and the developing frog sheds its skin. a) True b) False 20) Which correctly describes reproduction in cats? a) There is one parent. b) There are separate parents. c) They have young by reproduction.

Living Things Revision 2

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تضمين

لوحة الصدارة

النمط البصري

الخيارات

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