Basics
What is the building block of all life?
Cells
Name one structure found in both plant and animal cells
cell membrane, nucleus, cytoplasm, mitochondria
Which specialized cell carries oxygen around the blood?
Red Blood Cell
Which part of the shoot system is the main sight for photosynthesis?
Leaves
Which organ comes immediately after the oesophagus?
Stomach
Which word describes an organism made from many cells?
Multicellular
Which tough outer structure is found in plant cells, but not in animal cells?
Cell Wall
Which specialized cell contracts and relaxes to produce movement?
Muscle cell
Which two substances does the stem transport from the roots to the leaves?
Water & Minerals
What are the muscular contractions that push food down the esophagus called?
Peristalsis
Which cell structure / organelle controls the activities of the cell?
Nucleus
What is the function of the large vacuole in the plant cell?
Stores water and nutrients
Why does a sperm cell have a long tail?
To help it swim towards the egg
What is the main function of flowers?
Reproduction
Which digestive organ absorbs water and salts from undigested food?
Large intestine
Which organelle releases energy from food for the cell to use?
Mitochondria
What do chloroplasts contain that give them their green colour and is needed for photosynthesis?
Chlorophyll
A root hair cell has a long extension that gives it a larger surface area. How does this help the plant?
Increases absorption of water and nutrients
A plant has health roots but a badly damaged stem. Explain why this would affect the leaves even though the roots can still absorb water.
No nutrients, water or minerals can be transported by the stem. The leaves use this water as part of photosynthesis to produce sugar and energy.
The liver produced _______ and the another accessory organ stores it called the ________
Bile
Gallbladder
A cell needs chemical reactions to occur so it can function correctly. In which part of the cell do many of these reactions occur?
Cytoplasm
A cell has a cell membrane, cytoplasm, nucleus, mitochondria, large vacuole and chloroplasts. Is it a plant or animal cell? Give two pieces of evidence.
Plant
Cell Wall
Chloroplast
Nerve cells have long bodies and hundreds of branch like extensions from its top and bottom. How do these features help a nerve cell perform its function?
Long body, transmit electrical signals
Hundreds of extensions, transmit signals to other nerve cells
Name three things plants use during photosynthesis and the two things they produce?
sunlight, carbon dioxide, water
sugar, oxygen
The small intestine contains millions of tiny finger-like structures called villi which have small blood vessels inside them. Explain how these two features work together to help digestion.
Villi increase surface area, therefore more nutrients can be absorbed
Close blood supply allows nutrients to be easily absorbed in to the blood stream and transported to where needed