Quiz
iGCSE Biology Questions
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Fragen in diesem Quiz (8)
1What does the nucleus do?
- AIt controls all the activities of the cell and it contains genes on the chromosomes that carry the instructions for making the proteins needed to build new cells or new organisms.
- BThe place wehere respiration is carried out.
- CRespiration occurs in the mitochondria, not the nucleus.
2What do the plant cells contain that the animal cells do not?
- ACell walls, chloroplasts and permanent vacuoles.
- BRibosomes, chloroplasta and cells walls.
3What is the definition of diffusion?
- ADiffusion is the net movement of particles from an area of high concentration to an area of low concentration, down the concentration gradient.
- BDiffusion is the net movement of particles from an area of low concentration to an area of high concentration, up the concentration gradient.
4What is the formula for net movement?
- Apaticles moving in-particles moving out
- Btotal particles-particles moving out
5Red blood cells do not have a nucleus so that there is more space for haemoglobin to be stored. True or false?
- ARichtig
- BFalsch
6A solution is made up of 2 parts. A solute and a solvent. A solvent dissolves in a solute.
- ARichtig
- BFalsch
7What is the difference between a concentrated solvent and a dilute solvent?
- AA concentrated solvent has little solute dissolved in it and a dilute has a lot.
- BA concentrated solvent has a lot of solute dissolved in it and a dilute has only a little.
8What is osmosis?
- AA special kind of diffusion invloving water molecules.
- BThe name of the topic in which diffusion is a part of.
Informationen
- Beschreibung
- Quiz am iGCSE Biology Questions, erstellt von Pranali Amlani am 25/11/2014.
- Autor
- Pranali Amlani
- Sprache
- English
- Aufrufe
- 3.099
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