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WorksheetsQuiz 1
Total questions: 20
Worksheet time: 12mins
The genetic adaptation exhibited by the Bajau
Enlarged lungs
Enlarged liver
Enlarged spleen
Increased lung capacity
Emphysema is a disease characterized by:
Cancerous tumors that grow in the lungs
Leukoplakia along the gums and cheeks of the mouth
Destruction of the alveoli in the lungs
Damaged cilia in the bronchi
Which of the following animals is INCORRECTLY paired with its feeding mechanism?
lion - substrate feeder
baleen whale - filter feeder
aphid - fluid feeder
clam - suspension feeder
The mode of feeding in the housefly is
Chewing
Sucking
Biting
Lapping
Adaptation to high altitudes - identify the correct statements (more than one statement may be true)
Haemoglobin content increases so a greater amount of oxygen can be carried to working muscles
The capillaries increase in number to ensure efficient oxygenation and removal of waste substances
Decrease in pulmonary arterial pressure ensures oxygenation in the entire lung
Increase in the number of mitochondria so there is more efficient aerobic respiration
All of the following is true about sea turtles except
Sea turtles can dive deep
A sea turtle's heart rate slows down when it is diving
During diving, less blood moves to the skin and digestive organs
Sea turtles are warm blooded and so can remain submerged for a longer period of time
Chemicals from which of the following substances are found in cigarettes?
rocket fuel and sewer gas
candle wax and rechargeable batteries
lighter fluid and toilet cleaner
all of the above
Which of the following statements about carbon monoxide is false?
CO has an acidic taste
CO is colourless
CO is odourless
CO results from incomplete combustion of fossil fuels
Some occupations that may be at increased risk of carbon monoxide poisoning include:
Welders, garage mechanics, and furnace operators
Healthcare workers, nutritionists, and psychiatrists
Foresters, wetlands biologist, and park rangers
Teachers, librarians, and students
An Advanced Underwater Diver dived down 30 m in order to explore a crashed airplane. When he reached the site he began to swim in circles and behaved very foolishly. He could be experiencing
Decompression illness
Nitrogen Narcosis
Decompression sickness
Oxygen toxicity or poisoning
Animals feed on smaller particles using which of the following methods. (More than one answer)
Tentaculate
Scraping and boring
Mucoid
Swallowing
You are hiking with a friend and reach an elevation of 10000 feet. Here you pitch your tents for the night and go to sleep. In the morning your friend reports a headache, then complains of difficulty breathing, even while at rest. What would be the best option to take for your friend?
Give your friend some hot coffee as this is a stimulant and will make her feel better
Ask her to refrain from taking any liquids as liquids will make the condition worse
As quickly as possible, descend to a lower elevation with your friend
As quickly as possible, climb higher, as the air at higher elevations contains more oxygen
The earthworm is not a detritivore
True
False
During mammalian diving reflex, blood is diverted to
Skin
Stomach
Lungs
Brain
Euglena is
autotrophic
saprotrophic
mixotrophic
heterotrophic
Choose the correct statement
Atmospheric pressure increases with height and liquid pressure decreases with depth
Atmospheric pressure increases with height and liquid pressure increases with depth
Atmospheric pressure decreases with height and liquid pressure decreases with depth
Atmospheric pressure decreases with height and liquid pressure increases with depth
--------------- in tobacco smoke increases the risk of arterial hardening
Nicotine
Carbon monoxide
Tar
Arsenic
Classification of animal feeding mechanisms cannot be based on taxonomic classification of animals
True
False
How does carbon monoxide prevent oxygen delivery to tissues?
It binds to haemoglobin with greater affinity than oxygen
It slows down the heart rate so less oxygen is delivered to the tissues
It decreases reversibility of oxygen - haemoglobin binding so oxygen is not released by haemoglobin in the tissues
It prevents carbon dioxide from entering the blood from tissues and hence oxygen cannot enter the tissues
