Q31:
AS & A Level Biology - 9700 Paper 1 2012 Winter Zone 1
Share
Previous
Questions:
31/40
Topic: CH9 - GAS EXCHANGE AND SMOKING
Solution
Solution is C
PRACTISE
Similar Questions
LEARN
Concepts with Sparky
More Questions from this Topic
MCQ
CH9 - GAS EXCHANGE AND SMOKING
In the lungs, movement of dissolved carbon dioxide out of the capillaries occurs in one of two ways:• by diffusion through the endothelial cells of ...
Summer
3
MCQ
CH9 - GAS EXCHANGE AND SMOKING
How are alveoli adapted to their function?
Summer
4
MCQ
CH9 - GAS EXCHANGE AND SMOKING
What maintains the steep concentration gradients needed for successful gas exchange in the lungs?1. Air flow in the alveoli is in the opposite directi...
Summer
3
MCQ
CH9 - GAS EXCHANGE AND SMOKING
The diagram shows oxygen diffusing from the space inside an alveolus into the blood through the gaseous exchange surface.What would increase the rate ...
Summer
6
MCQ
CH9 - GAS EXCHANGE AND SMOKING
Where is cartilage tissue always found in the human gas exchange system?
Summer
4
MCQ
CH9 - GAS EXCHANGE AND SMOKING
Which tissues are present in a bronchus? [Table_1]
Summer
5
MCQ
CH9 - GAS EXCHANGE AND SMOKING
Scientists compared the density of goblet cells in the lungs and the density of mucus in the lungs of three groups of people: • people who do not s...
Summer
3
MCQ
CH9 - GAS EXCHANGE AND SMOKING
Steep concentration gradients must be maintained for efficient gaseous exchange to occur in the human lungs. Which row correctly describes how steep ...
Summer
7
MCQ
CH9 - GAS EXCHANGE AND SMOKING
What is the function of cilia in the gas exchange system?
Winter
4
MCQ
CH9 - GAS EXCHANGE AND SMOKING
Which tissues are present in the walls of a trachea and an alveolus? [Table_1: tissue table with epithelium with goblet cells and smooth muscle prese...
Winter
4
More Questions from year 2012
MCQ
CH1 - CELL STRUCTURE
Which group of structures are visible in a suitably stained plant cell using a high power (x400) light microscope? [Table_1]
Summer
3
MCQ
CH1 - CELL STRUCTURE
What are always present in prokaryote cells?
Summer
3
MCQ
CH1 - CELL STRUCTURE
The following are all features of eukaryotic cells.1. chloroplast2. endoplasmic reticulum3. lysosome4. mitochondrion5. nucleusWhich of these have a do...
Summer
4
MCQ
CH1 - CELL STRUCTURE
The magnification of the photomicrograph is \times 4000. What is the actual size of the nucleolus?
Summer
3
MCQ
CH1 - CELL STRUCTURE
A microscope has a resolution of 200 nm. Which of the following organelles would not be resolved using this microscope?
Summer
3
MCQ
CH1 - CELL STRUCTURE
Tests were performed on samples from a mixture of biological molecules.When iodine in potassium iodide solution was added to a sample, the mixture tur...
Summer
3
MCQ
CH2 - BIOLOGICAL MOLECULES
Which of the statements about polysaccharides can be used to describe both amylopectin and cellulose? 1. adjacent glucose molecules are rotated by 180...
Summer
3
MCQ
CH2 - BIOLOGICAL MOLECULES
Which molecule in the key is sucrose?
Summer
3
MCQ
CH2 - BIOLOGICAL MOLECULES
Which molecules have a structural formula that contains C=O bonds?1. fatty acids2. glucose3. glycerol
Summer
2
MCQ
CH2 - BIOLOGICAL MOLECULES
Which level of protein structure maintains the globular shapes of enzymes?
Summer
5