Test
Bio - Module 2.1: Cell structure
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Preguntas del test (20)
1What is the function of the Nucleus?
- AControl of the cell
- BTo manufacture ATP
- CTo modify amino acid chains
- DTo induce enzyme activity
2What is meant by the term: Magnification?
- AHow much bigger an image appears when compared with the original object.
- BThe ability to distinguish between 2 points clearly.
- CThe magnifying power of the objective lens.
- DHow much smaller an image appears when compared to the original object
3What is meant by the term: Resolution?
- AHow much bigger an image appears when compared with the original object.
- BThe magnifying power of the objective lens.
- CThe ability to distinguish between 2 points clearly.
- DHow much smaller an image appears when compared with the original object
4What is the equation for calculating Magnification?
- ATotal magnification = Image size / Magnification.
- BTotal magnification = Magnifying power of the objective lens x eyepiece lens.
- CTotal magnification = Image size x Magnification.
- DThere is no calculation.
5Optical microscopes are [blank_start]cheap[blank_end], easy to use, and, [blank_start]portable[blank_end] pieces of equipment. They enable [blank_start]live[blank_end] specimens to be viewed.
- Acheap
- Bportable
- Clive
6What is the wavelength of an Electron microscope?
- A0.004nm
- B0.004µm
- C0.02nm
- D0.002µm
7The type of image displayed from a Transmission electron microscope is
- A2D
- B3D
8The type of image displayed from a Scanning electron microscope is
- A2D
- B3D
9Transmission Electron microscopes produce a grey-scale image
- AVerdadero
- BFalso
10Scanning Electron microscopes produce a grey-scale image
- AVerdadero
- BFalso
11To prepare a slide you [blank_start]dehydrate[blank_end] the specimen, embed them in [blank_start]wax[blank_end], and, [blank_start]section[blank_end] them.
- Adehydrate
- Bstain
- Ccrush
- Diodine
- Emethylblue
- Feosin
- Gwax
- Hsection
- Isplit
- Jseparate
- Kslice
- Lhydrate
12What does acetic orcein stain? What colour would you expect?
- ACytoplasm: red
- BLipids: red
- CCellulose: yellow
- DDNA and chromosomes: red
13What is meant by the term 'differential staining'?
- AStaining each structure in isolation to view structures individually.
- BStaining each structure differently to identify each structure.
- CUsing a variety of stains upon the same component.
- DUsing only one type of staining.
14The Golgi apparatus is a modifying unit
- AVerdadero
- BFalso
15Mitochondria are 2-10 µm long
- AVerdadero
- BFalso
16What is the function of the Chloroplast?
- AThe site of protein synthesis
- BTo manufacture water molecules; keeping plant cells hydrated
- CThe site of photosynthesis
- DTo give plants green pigments
17What is the function of the vacuole?
- ATo maintain turgidity.
- BTo hydrate the cell in low water concentrations
- CTo stimulate catabolic reactions
- DTo trap pathogenic substances
18Hydrolytic enzymes digest foreign matter
- AVerdadero
- BFalso
19Prokaryotic cells contain [blank_start]loops[blank_end] of naked DNA. They also contain whip-like projections called [blank_start]flagella[blank_end], as well as pili.
- Ahoops
- Bloops
- Crings
- Dbranches
- Eflagella
- Fmicrovili
- Gundulipodia
- Hcillia
20How do Prokaryotic cells divide?
- AMitosis
- BMeiosis
- CBinary fission
- DCytokinesis
Información
- Descripción
- A2 (Revision) Biology Test sobre Bio - Module 2.1: Cell structure, creado por Jack Stanley el 19/11/2016.
- Autor
- Jack Stanley
- Idioma
- English
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- 68
- Etiquetas
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