Biology Quiz
50 Questions on Biology Unit B2: Animal and Plant Cells
4.5 / 5 based on 9 ratings
- Created by: naomi
- Created on: 10-04-12 13:49
Cystic Fibrosis is a Disorder of the...
Cell membrane
1 of 34
The skin has temperature receptor cells which respond to
External temperature
2 of 34
When blood temperature is too high..
Sweat glands are activated
3 of 34
When blood temperature is too low...
Muscles Contract
4 of 34
Genetic Diagrams
Capital letter = dominent genes, lower case letter = recessive genes
5 of 34
What is Heterozygous?
When alleles are different e.g. Bb
6 of 34
Most photosynthesis takes place in...
Leaves
7 of 34
The job of chlorophyll is..
to absorf sunlight for photosynthesis
8 of 34
Inputs of Photosynthesis?
Carbon dioxide, water and light energy
9 of 34
Yellow leaves show the deficiency symptoms of which ion in plants?
Magnesium
10 of 34
Why, in intensive farming, do the animals need less food?
Less space to move so less energy is required
11 of 34
What key element is found in carbohydrates, proteins and fats?
Carbon
12 of 34
Carbon is so useful that what recycles it?
Nature
13 of 34
Energy is stored in the materials that make up __________.
Organisms
14 of 34
Pyramid of number is
the number of organisms within each stage of a food chain
15 of 34
Detritus feeders are organisms that live off
dead matter
16 of 34
Decomposition: What does too much heat cause?
Microbes to denature
17 of 34
Adult, Embryonic and Faetal are all different types of what?
Stem cell
18 of 34
Isulin is produced in special cells called islets, found in the...
Pancreas
19 of 34
A chromosome is...
A thread like structure made of DNA
20 of 34
Enzymes in cells catalyse
photosynthesis, protein synthesis (joining amino acids together), and aerobic respiration
21 of 34
Respiration is a chemical process in which energy is released from food substances, such as glucose, a ______
Sugar
22 of 34
What is the equation for aerobic respiration?
Glucose + oxygen = carbon dioxide + water
23 of 34
In plants, sugars, nitrates and other nutrients are converted into...
amino acids
24 of 34
Osmosis =
the movement of water molecules from a low concentration to a high concentration
25 of 34
Mitochondria and Ribosomes are _____
Organelles
26 of 34
Every living thing needs
glucose and oxygen
27 of 34
The movement of a substance from a region of high concentration to a region of low concentration is....
Diffusion
28 of 34
Digestion is the breakdown of carbohydrates, proteins and fats into small soluble substances that can be absorbed into the _____
blood
29 of 34
Digestion happens inside the gut and relies on _____
enzymes
30 of 34
What are catalysts for?
To speed up the reaction without changing it
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Enzymes _____ the activation energy needed for a reaction to proceed and produce products
Increase
32 of 34
As the ____ increases, so does the rate of reaction
Temperature
33 of 34
Enzymes in the stomach have an optimum pH of about __
2
34 of 34
Other cards in this set
Card 2
Front
The skin has temperature receptor cells which respond to
Back
External temperature
Card 3
Front
When blood temperature is too high..
Back
Card 4
Front
When blood temperature is too low...
Back
Card 5
Front
Genetic Diagrams
Back
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