In the Linnaean hierarchy used in SSLC Biology, which rank is immediately more specific than genus?
Variety Of Life
Question · Easy
Replaced by Uracil
Short
All of the populations of different species living and interacting in a Samoan rainforest patch together form which level of organisation?
Which feature is characteristic of Phylum Arthropoda and is not shared with Annelida?
Under the binomial system, a correctly written scientific name consists of which two ranks?
Which kingdom includes organisms that are typically heterotrophic, have cell walls of chitin, and absorb digested food?
Mosses placed in Phylum Bryophyta differ from ferns because mosses
Question · Medium
A reef animal has a soft body, a muscular foot, and a mantle that may secrete a shell. To which phylum does it belong?
What is the purpose of a dichotomous key in field identification?
A vertebrate has moist skin, lays unshelled eggs in water, and the young typically have gills before developing lungs. Which class does it belong to?
Why are viruses usually excluded from the five-kingdom classification used in many SSLC schemes?
Which human tissue type covers surfaces, lines organs, and forms glands that secrete substances?
In the five-kingdom system commonly taught at SSLC, prokaryotes such as bacteria are placed in which kingdom?
Two birds share the genus name Ptilinopus but have different specific epithets. What does this tell you about their relatedness?
Question · Hard
The tooth-billed pigeon (Manumea) lives naturally only in Samoa. Which term correctly describes this distribution?
Birds and bats both fly, but birds are in Class Aves and bats are mammals. What does this comparison illustrate?
Which organelle is the main site of aerobic ATP production in a eukaryotic cell?
Cell Biology
Where is the genetic material of a typical plant or animal cell enclosed?
Which structure is present in a typical plant cell but absent from a typical animal cell?
Osmosis is best defined as the net movement of
How do enzymes speed up metabolic reactions at cell temperatures?
Which statement correctly distinguishes a prokaryotic cell from a eukaryotic cell?
A student measures a cell image as 6 mm long at a total magnification of ×200. What is the actual length of the cell?
When yeast respires anaerobically, which products are formed?
Which process moves ions from low to high concentration across a membrane and requires ATP?
Which organelle contains chlorophyll and is the site of the light-dependent reactions of photosynthesis?
A protease is boiled and then mixed with protein at its usual pH. Why does little or no product form?
Which balanced summary equation represents aerobic respiration of glucose?
Glucose enters a red blood cell down its concentration gradient through a carrier protein and without ATP. Which process is this?
After proteins are synthesised on rough ER, which organelle modifies and packages them into vesicles for secretion?
A plant cell is placed in a concentrated sucrose solution. What is the expected result?
Which food test and colour change correctly identify a reducing sugar such as glucose?
Why does aerobic respiration yield far more ATP per glucose than anaerobic respiration?
Why can cells not grow indefinitely even if nutrients are unlimited?
In an enzyme experiment, substrate concentration is increased while enzyme amount stays constant. The rate rises and then levels off. What does the plateau show?
Which observation is used as evidence that mitochondria originated from free-living prokaryotes (endosymbiotic theory)?
In DNA, which base-pairing rule is correct?
What is an allele?
A plant has genotype Tt and is tall. Which statement is correct?
What is the main genetic result of meiosis in animals?
Two heterozygous tall pea plants (Tt × Tt) are crossed. What is the expected phenotypic ratio among the offspring?
In four o’clock plants, red (CRCR) × white (CWCW) gives pink (CRCW) flowers. If two pink plants are crossed, what phenotypic ratio is expected?
A tall plant of unknown genotype is crossed with a dwarf plant (tt) and half the offspring are dwarf. What was the unknown genotype?
In humans, which karyotype description is correct for a typical male?
A mutation is best described as
Farmers repeatedly breed the taro plants with the largest edible corms. What process are they using?
Why does independent assortment during meiosis I increase genetic variation in gametes?
Red–green colour blindness is an X-linked recessive trait. Why are more males than females colour-blind?
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