SQ11403 Revision 2023
Quiz by LIM LEONG SENG -
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- Q1
Which animal is an example of Cnidaria Phylum?
Seastar
Sponges
Worms
Jellyfish
30s - Q2
Possess jointed legs, more than 1 body section, and exoskeleton, these are the characteristics of an animal from which Phylum?
Arthropod
Annelid
Echinoderm
Cnidaria
30s - Q3
Sea cucumber belongs to which phylum?
Annelid
Cnidaria
Echinoderm
Porifera
30s - Q4
Which of these is NOT an importance of aquatic invertebrates in an ecosystem?
Water purification
Being predator
Food source
Creation of habitat
30s - Q5
Which of these is an INDIRECT observation method to study the biology of invertebrates?
Gonad examination
Tank observation
Behavioural observation
Morphological examination
30s - Q6
Which of these is not a quantitative analysis method in analyzing the gut content of an invertebrate?
Volumetric
Numerical
Prey identification
Gravimetric
30s - Q7
One of these statements is WRONG. Please identify it.
Giant clams can be farmed using rope culture.
Oysters can be farmed using cages or bags
Mussels can be farmed using rope culture.
Scallops can be farmed by planting it directly in sediment.
30s - Q8
Pearl nucleus or bead for cultured pearl is a sphere or another shape (occasionally) originally formed by cutting and polishing a nacreous shell used to accommodate the nacre (mother-of-pearl) secreted from a cultured pearl sac. The shell bead is implanted with a piece of the mantle into the ovary that eventually forms the centre of a beaded cultured pearl.
Correct
Wrong
30s - Q9
The nervous system of sea cucumber is centralized in the brain.
Correct
Wrong
30s - Q10
Nerve net within sea cucumber can detect touch, light, and chemicals
Wrong
Correct
30s - Q11
Which of these is wrong about the evisceration of sea cucumber?
The evisceration happened because of stress
The evisceration happened because of disease infection
It was not a defensive strategy of sea cucumber.
The evisceration begins when the attachment tissues that hold the internal organs, like the intestines or respiratory gills, soften
30s - Q12
Which of these statements is WRONG?
Arms have suction cups the entire length of the limb
Arms are used to hold onto prey when captured and bring food into its mouth
Tentacles only have suction cups near the end of the limb
Arms are used to strike out and capture prey.
30s - Q13
The walking legs of mud crabs function as chemoreceptors to detect food.
Wrong
Correct
30s - Q14
Which method can be used to observe transparent animals?
Shadow photography
Selected sensory ablation
Conditioning
Color dying of the animal
30s - Q15
In the colour vision test, the animal is trained to discriminate a colour place among grey shades of different densities.
Wrong
Correct
30s