Specialised Cells - Quiz on specialised cells and their adaptations . 2.0 / 5 based on 1 rating ? BiologyCells, tissues and organsGCSEAQA Created by: efiaCreated on: 27-02-13 18:08 What do Red Blood Cells Do? Carry Oxygen 1 of 20 Why do they have a concave shape? To increase surface area 2 of 20 What are Red Blood Cells packed with? Haemoglobin 3 of 20 Is there a nucleus in Red Blood Cells? Yes 4 of 20 Why do egg cells contain huge food reserves to feed the embryo To nourish the developing embryo 5 of 20 What happens when the sperm fuses with the egg? The membrane changes it structure to stop more sperm getting in. 6 of 20 Does the sperm cell have a long tail and a streamlined head? Yes 7 of 20 Why does the Sperm Cell have a lot of mitchondria To help it swim to the egg - ENERGY 8 of 20 Why do Sperm Cells carry enzymes in their heads? To digest through the eggs cell membrane 9 of 20 What are Palisade leaf cells adapted for? Photosythesis 10 of 20 What does the tall shape of the Palisade leaf cell allow it to do? AbsorbIing CO2 11 of 20 Why are Palisade Leaf Cells packed to chloroplasts at the top of the cell? That's where most photosynthesis takes places. 12 of 20 Why do the Palisade Leaf Cell have thin shape? To pack a lot of them at the top of the leaf 13 of 20 Why are Guard Cells a kidney shape? Opens and Closes the stomata of the leaf 14 of 20 What is the function of guard cells? To open and close stomata (pores) 15 of 20 What does the Guard Cell do when the plant has a lot of water? Becomes turgid and makes stomata open so gases can be exchanged for photosythesis 16 of 20 What does the Guard Cell do when the plant is short of water? They make the stomata close and this stops water vapouring escaping 17 of 20 Is it true that they guard cells have thin inner walls, and thick outer walls No they have thin outer walls and thick inner walls 18 of 20 Why are the guard cells sensitive to light and close at night? In order to save water without losing out on photosythesis 19 of 20 Overall view of guard cells Adapted to their function of allowing gas exchange and controlling water loss 20 of 20
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