NSC Life Sciences RNA and Protein Synthesis: Various options are provided as

Question

Various options are provided as possible answers to the following questions.
Choose the answer you wish to give by writing the letter (A to D) next to the question numbers (1.1 to 1.10) in the ANSWER BOOK. e.g. 1.1 D.

1.1.1 DNA and RNA are:
A. amino acids.
B. microscopic.
C. genetic material.
D. proteins.

1.1.2 Which ONE of the following is a product of mitosis?
A. Nerve cell
B. Muscle cell
C. Ovum
D. Zygote

1.1.3 An individual inheriting for a harmful recessive allele but is undetectable.
Which ONE of the following best represents the genetic composition of this individual?

1.1.4 A person has the genotypic for her blood type.
What is the person's blood group?

1.1.5 In a car accident, the biological father of a girl and three other men are suspected of being the father of the girl. DNA profiling was used to identify the girl's father.

WHICH ONE of the men is most likely to have been the father of the girl?
A. 4
B. 3
C. 2
D. 1

1.1.7 The diagram below represents two phases of mitosis.

Which ONE of the following represents the correct sequence of phases between phase A and phase B?
A. Anaphase I, Metaphase I, Prophase I and Telophase I
B. Metaphase I, Telophase I, Prophase II and Telophase II
C. Prophase I, Telophase II, Metaphase II and Telophase II
D. Prophase II, Telophase I, Prophase I and Metaphase I

1.1.8 The above below represents a process during protein synthesis.
Which ONE of the following is CORRECT?
A. T represents an anticodon
B. A represents mRNA
C. G represents an amino acid
D. U represents an amino acid

1.1.9 Evidence of horizontal cultural evolution can be found in the fossil record. 
This evidence would include:
A. Origin of the attachment of the spine to the head
B. Presence of hominins in strata defined as being from the lower
C. Evidence to show the passage of time
D. Presence of skeletal fossils

1.1.10 Give the correct biological name for each of the following descriptions. Write only the answers next to the question numbers (1.1.10.1 to 1.1.10.3 in the ANSWER BOOK).
1.1.10.1 Identify: (a) Structure X
(b) Sugar Y
(c) Bond V
(d) State the natural shape of the DNA molecule.

1.1.11 Name the:
(a) Process wherein DNA makes a copy of itself.
(b) Name TWO places in an animal cell where DNA is located.

1.1.12 The diagram below represents part of a DNA molecule.
Identify:
(a) Name part X.
(b) Name part Y.
(c) Name part Z.
(d) State the biological function of part Z.

Various options are provided as possible answers to the following questions - NSC Life Sciences - Question 1 - 2021 - Paper 2

Worked Solution & Example Answer:Various options are provided as possible answers to the following questions - NSC Life Sciences - Question 1 - 2021 - Paper 2

1.1.1 DNA and RNA are:

1.1.2 Which ONE of the following is a product of mitosis?

1.1.3 An individual inheriting for a harmful recessive allele but is undetectable.

1.1.4 A person has the genotypic for her blood type.

1.1.5 In a car accident, the biological father of a girl...

1.1.7 Which ONE of the following represents the correct sequence of phases?

1.1.8 Which ONE of the following is CORRECT?

1.1.9 Evidence of horizontal cultural evolution can be found...

1.1.10 Give the correct biological name for each of the following descriptions.

1.1.11 Name the process wherein DNA makes a copy of itself.

1.1.12 The diagram below represents part of a DNA molecule.

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