S1 Reproduction
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Why is an egg (ovum) bigger than a sperm | Because it has a food store
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| How many structures in an animal cell? | 3
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| How many structures in a plant cell? | 6
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| What is the function of the cytoplasm? | Site of chemical reactions
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| What is the function of the cell wall? | Gives support to plant cells
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| What is the function of the vacuole? | Stores cell sap
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| What is the function of the nucleus? | Controls cell activities and stores DNA
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| What is the function of the cell membrane? | Controls what exits and enters the cell
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| What is the function of the chloroplast? | Site of photosynthesis
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| Name a specialised cell. | Sperm, egg, nerve, muscle, root hair, pollen, red blood cell.
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| Why is a red blood cell specialised for its role? | Has no nucleus so it can transport more oxygen
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| Why is a sperm cell specialised for its role? | It has a tail so it can swim to an egg
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| Why is a egg cell specialised for its role? | It has a food store to fuel cell division
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| Why is a pollen cell specialised for its role? | It is spiky to attach to insects
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| Why is a Leaf cell specialised for its role? | It ahs many chloroplasts for photosynthesis
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| Why is a nerve cell specialised for its role? | It is very long to send nerve messages to other cells
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| Why is a root hair cell specialised for its role? | It has hair like projections to absorb more water
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| Why is a muscle cell specialised for its role? | It can contract to move bones
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| What do you call a group of cells that are similar and perform the same job? | Tissue
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| Name a change that takes place in puberty that only affects boys. | Voice breaking
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| Name a change that takes place in puberty that only affects girls. | periods starting (menstruation)
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| Name a change that takes place in puberty that only affects both boys and girls. | production of sex cells, growth spurt, acne, hair growing in new places.
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| Where are sperm produced in males? | Testes
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| Where do babies grow in females? | Uterus (womb)
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| Where does fertilisation take place in a female? | Oviduct
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| Where are eggs produced in a female? | Ovary
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| What is fertilisation? | When the nucleus of the sperm fuses with the nucleus of the egg.
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| What is a fertilised egg called? | Zygote
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| What is the role of the placenta? | Allows the exchange of substances between mothers blood and babies blood.
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| Name a substance that is important for the baby that passes through the placenta from the mum's to the baby's blood. | Oxygen, food
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| Name a substance that is important for the baby to get rid of that passes through the placenta from the baby to the mum's blood. | carbon dioxide
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| Where in a flower is pollen produced? | Anther
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| What part of the flower does pollen land on? | Stigma
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| Where in a flower are eggs produced? | Ovary
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| How does pollen get carried from one flower to another? | Insects or wind
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| What grows from pollen to allow the nucleus to meet the egg? | A pollen tube
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| What is germination? | When seeds start to grow
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| What do seeds need to germinate | Water, oxygen, warmth
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| How are dandelion seeds dispersed from their plant? | Wind
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| How are coconut seeds dispersed from their plant? | Water
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| How are squirting cucumber seeds dispersed from their plant? | Explosion
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| How are burdock seeds dispersed from their plant? | Attach to animal fur
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| How are tomato seeds dispersed from their plant? | Eaten by animals
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
nscobie
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