1.1.1 What is the scientific name of the fossil, Mrs Ples?
A - NSC Life Sciences - Question 1 - 2018 - Paper 2
Question 1
1.1.1 What is the scientific name of the fossil, Mrs Ples?
A. Afrotheria
B. Australopithecus africanus
C. Homo habilis
D. Carcharodon carcharias
1.1.2 Which of the ... show full transcript
Worked Solution & Example Answer:1.1.1 What is the scientific name of the fossil, Mrs Ples?
A - NSC Life Sciences - Question 1 - 2018 - Paper 2
Step 1
What is the scientific name of the fossil, Mrs Ples?
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Answer
The scientific name of the fossil Mrs Ples is B. Australopithecus africanus.
Step 2
Which of the following is a structural feature of a biped organism?
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Answer
A structural feature of a biped organism is C. Curved lumbar column, which supports bipedal locomotion.
Step 3
A mother has blood group A and a father has blood group O. They have three children, one of whom has blood group AB. The blood groups of the children are represented in the table. Which choice is adopted?
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Answer
In this scenario, the choice adopted is A. Nuisance, as the blood group inheritance can be a cause of inquiry in paternity.
Step 4
Which species inhabited the Earth for the longest period of time?
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Answer
The species that inhabited Earth for the longest period of time is A. Archaebacteria.
Step 5
How many years ago did the genus Homo first appear?
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The genus Homo first appeared approximately A. 2.3 mya.
Step 6
Which ONE of the following statements is CORRECT?
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Answer
The correct statement is C. Population Y is of a different species, but populations X and Z are of the same.
Step 7
What is the possible genotype for a black rabbit with narrow ears?
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Answer
The possible genotype for a black rabbit with narrow ears is B. BbEe.
Step 8
What is the possible genotype of gametes produced by a white rabbit with narrow ears?
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Answer
The possible genotype of gametes produced by a white rabbit with narrow ears is A. Be, be and b.
Step 9
Identify parts D and E.
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Part D is the Chromatid, and part E is the Centromere.
Step 10
Give only the LETTER of the part that: (a) Attaches to the spindle fibers during cell division (b) Represents a gene
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(a) The part that attaches to the spindle fibers is E. (b) The part that represents a gene is C/B.
Step 11
Name: (a) TWO organelles in an animal cell where DNA is found (b) The natural shape of a DNA molecule (c) The process whereby DNA makes an identical copy of itself
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(a) Two organelles where DNA is found are Nucleus and Mitochondrion. (b) The natural shape of a DNA molecule is a Double helix. (c) The process whereby DNA makes an identical copy of itself is called (DNA) Replication.
Step 12
What structural feature of trilobites, described in the extract, improved the chances of the marine fossils?
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The structural feature that improved the chances of the marine fossils is the exoskeleton, which offered protection.
Step 13
Which of the extinct arthropods is classified by phylum?
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Answer
The extinct arthropods classified by phylum include (a) Trilobites, (b) Tegopeltids, and (c) Neradids.
