1) Hardest part of human body a) Bone b) Enamel c) Tongue d) Tooth 2) Male reproductive part of a plant a) Anther and Stamen b) Filament and Anther c) Ovary and Style d) Carpel and Stigma 3) Seed leaves are also known as a) Embryo b) Plumule c) Cotyledons d) Radicle 4) Seeds with only one cotyledons a) Beans b) Groundnut c) Mango d) Maize 5) Dispersal by explosion a) Coconut b) Peas c) Dandelion d) Water Lily 6) The shoot system of a seed  a) Plumule b) Radicle c) Embryo d) Seed coat 7) Animals which can live on land and water both a) Teresstrial animals b) Aboreal animals c) Amphibian animals d) Hibernating animals 8) What is formed when a male and female cell fuse together a) Sepals b) Petals c) Zygote d) Fruit 9) Animals which give birth to their young ones directly are called a) Incubators b) Anteater c) Viviparous d) Hen 10) Chemical formula of Sugar a) CaCO3/NaF b) CH3COOH c) C12H22O11 d) CaCO3

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