1) Which gas is needed for respiration for humans a) Carbon dioxide b) Oxygen c) Nitrogen d) Hydrogen 2) By which organ fish respirate a) Lungs b) Mouth c) Gills d) Trechea 3) Tiny pores on leaves are called a) Chlorophyll b) Stomata c) Bud d) Pores 4) Which is living thing a) Table b) Chair c) Blackboard d) Teacher 5) Which gives birth to youngones a) Cow b) Fish c) Snake d) Hen 6) Breathing organ of insects a) Lungs b) Gills c) Skin d) Treacha 7) Which of these grow a) Car b) Building c) Baby d) Paper 8) Acalf grows into a) Lion b) Cow c) Goat d) Hen 9) A cub grows into a) Lion b) Cow c) Goat d) Hen 10) A chick grows into a) Lion b) Cow c) Goat d) Hen

general science

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