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WorksheetsBiodiversity Set 2 SB025
Total questions: 10
Worksheet time: 8mins
Which of the following is a common characteristic of Arthropoda and Annelida?
Tracheal system
Chitinuos exoskeleton
Body segmentation
Close circulatory system
A person who comes down with malaria can infer that he or she contracted it from
Infection by an animal-like protest Giardia
Contaminated water supply
The bite of tsetse fly
The bite of the female Anopheles mosquito
The structural integrity of bacteria is to peptidoglycan as the structural integrity of plant spores is to _____.
Sporopollenin
Secondary compounds
Cellulose
Lignin
If all fungi in an environment that perform decomposition were to suddenly die, then which group of organisms should benefit most, due to the fact that their fungal competitors have been removed?
Grasses
Prokaryotes
Protists
Flowering plants
Which of the following is (are) unique to animals?
Flagellated gametes
Heterotrophy
Nervous system signal conduction and muscular movement
The structural carbohydrate, chitin
Which of the following is a characteristic of all chordates at some point during their life cycle?
Post-anal tail
Vertebrae
Four-chambered heart
Jaws
Pharyngeal slits in chordate appear to have functioned first as _____.
Suspension-feeding devices
Components of the jaw
Sites of respiration
The digestive system's opening
Why Gram-positive bacteria stains blue/purple colour in Gram stain technique?
Because the cell wall is more complex
Because the cell wall has outer membrane with lipopolysaccharide
Because the cell wall made up of thick layer peptidoglycan
A heterosporous plant is one that
produces a gametophyte that bears both antheridia and archegonia
produces microspores and megaspores, which give rise to male and female gametophytes
produces spores all year long instead of during just one season
produces two kinds of spores, one asexually by mitosis and the other sexually by meiosis
