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B2 part 1 revision Flashcards | StudBud
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B2 part 1 revision
B2 part 1 revision
28 terms
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#biology #b2 #b2a
Flashcards
28 cards
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Practice quiz
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Host live
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Questions
28
Answers
1
Which of the following is most likely to diffuse into an animal cell?
Carbon Dioxide
Urea
Oxygen
Lactic Acid
2
Which substance are the following made from: Cellulose, Fats, Proteins, Starch?
Glucose
Oxygen
Chlorophyll
Quadrats
3
What are bacterial cells missing?
Cell Membrane
Cell Wall
Nucleus
Cytoplasm
4
What are starches and fats used for?
Energy storage
Growth and Repair
To increase the mass of the cell
Cell Walls
5
What are the reactants of photosynthesis?
Carbon Dioxide and Glucose
Water and Oxygn
Glucose and Oxygen
Carbon Dioxide and Water
6
Which tissue of the stomach contracts to churn the contents
Muscle
Xylem and Phloem
Epithelial
Glandular
7
Which tissue is involved in transport
Epithelial
Epidermal
Mesophyll
Xylem and Phloem
8
Kate wants to know how the height of plants changes as he moves up a hill. What should he use?
A biology textbook
A light meter
A quadrat
A transect
9
Which part controls entry and exit to the cell?
Cell Membrane
Mitochondri
Cell Wall
Nucleus
10
For counting populations in a field, how should these be laid?
Wherever you want
Every 5 metres
Randomly
Once and Once only
11
When is light the limiting factor?
When light becomes too intense
On the slope
At zero light only
On the flat
12
Which of these might affect the distribution of organisms?
Amount of Oxygen
Temperature
Available nutrients
Light Intensity
13
Diffusion is the movement of substances..
..up the stem of the plant.
...from a low concentration to high concentration.
..from a high concentration to low concentration
...that are too large to break down.
14
Which tissue covers the leaf
Xylem and Phloem
Epidermal
Mesophyll
Epithelial
15
When the graph flattens
Light might be the limiting factor
Photosynthesis stops
Temperature might be the limiting factor
Carbon Dioxide might be limiting factor
16
Why does photosynthesis decrease after 40 degrees C?
because respiration happens too fast
because enzymes denature
because Carbon Dioxide evaporates
because light goes through red shift
17
Which of the following is not a limiting factor of photosynthesis?
Light Intensity
Temperature
Water
Carbon Dioxide
18
Which tissue is the site of photosynthesis?
Epidermal
Mesophyll
Xylem and Phloem
Epithelial
19
Why do sperm cells have lots of mitochondria
They contain the DNA to make a baby.
To make food for their journey to the egg.
To produce the enzymes needed to penetrate the egg.
They release the energy needed for swimming.
20
Where is food absorbed?
Stomach
Mouth
Large Intestine
Small Intestine
21
What is the role of the ribosomes?
To release energy
To make proteins
To make food for the cell
contains DNA
22
What is this?
Quadrat
Measuring machine
Square Thingy
Fourmouse
23
If there is a bigger difference in concentration then diffusion...
happens more quickly
happens more slowly
will not occur at all
will reverse direction
24
Which other substance do plants need to make proteins?
Nitrates
Magnesium
Phosphorus
Potassium
25
Where is bile produced?
Liver
Pancreas
Small Intestine
Mouth
26
Which tissue of the stomach covers it?
Glandular
Epithelial
Muscle
Xylem and Phloem
27
Which is correct?
Cells make tissues
Tissues make Organs
All of the answers
Organs make organ systems
28
Which tissue of the stomach produces digestive juices?
Epithelial
Glandular
Muscle
Xylem and Phloem
