Life Science 2022 Paper2 May/June SECTION A 1.3-1.5
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Question 1 of 10
1. Question
1.3
Indicate whether each of the statements in COLUMN I apply to A ONLY,
B ONLY, BOTH A AND B or NONE of the items in COLUMN II. Write A only,
B only, both A and B, or none next to the question numbers (1.3.1 to 1.3.3)
in the ANSWER BOOK.
Thats how your instruxtions will be in the exam, for this exam praxtice, just select the correct answer.
CorrectIncorrect -
Question 2 of 10
2. Question
1.3
Indicate whether each of the statements in COLUMN I apply to A ONLY,
B ONLY, BOTH A AND B or NONE of the items in COLUMN II. Write A only,
B only, both A and B, or none next to the question numbers (1.3.1 to 1.3.3)
in the ANSWER BOOK.
Thats how your instruxtions will be in the exam, for this exam praxtice, just select the correct answer. 1.3.2
CorrectIncorrect -
Question 3 of 10
3. Question
1.3
Indicate whether each of the statements in COLUMN I apply to A ONLY,
B ONLY, BOTH A AND B or NONE of the items in COLUMN II. Write A only,
B only, both A and B, or none next to the question numbers (1.3.1 to 1.3.3)
in the ANSWER BOOK.
Thats how your instruxtions will be in the exam, for this exam praxtice, just select the correct answer. 1.3.3
CorrectIncorrect -
Question 4 of 10
4. Question
1.4
In tomato plants, tall stems (T) are dominant over short stems (t) and red fruit
(R) is dominant over yellow fruit (r).
A farmer crosses a homozygous tall, yellow tomato plant with a plant that is
heterozygous for both characteristics.-
1.4.1 Name this type of genetic cross.
CorrectIncorrect -
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Question 5 of 10
5. Question
1.4
In tomato plants, tall stems (T) are dominant over short stems (t) and red fruit
(R) is dominant over yellow fruit (r).
A farmer crosses a homozygous tall, yellow tomato plant with a plant that is
heterozygous for both characteristics.-
1.4.2 Give the genotype of a homozygous tall, yellow tomato plant.
CorrectIncorrect -
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Question 6 of 10
6. Question
1.5 Haemophilia is a sex-linked recessive trait (Xh ). The pedigree diagram below
shows the inheritance of haemophilia in a family.
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1.5.1 State what is represented by the squares on a pedigree diagram
CorrectIncorrect -
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Question 7 of 10
7. Question
1.5 Haemophilia is a sex-linked recessive trait (Xh ). The pedigree diagram below
shows the inheritance of haemophilia in a family.1.5.2a State the number of:
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(a) Generations represented in this pedigree diagram
CorrectIncorrect -
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Question 8 of 10
8. Question
1.5 Haemophilia is a sex-linked recessive trait (Xh ). The pedigree diagram below
shows the inheritance of haemophilia in a family.1.5.2b State the number of:
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(b) Offspring of individuals P and Q
CorrectIncorrect -
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Question 9 of 10
9. Question
1.5 Haemophilia is a sex-linked recessive trait (Xh ). The pedigree diagram below
shows the inheritance of haemophilia in a family.1.5.3a Give the:
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(a) LETTERS only, of females who have haemophilia
CorrectIncorrect -
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Question 10 of 10
10. Question
1.5 Haemophilia is a sex-linked recessive trait (Xh ). The pedigree diagram below
shows the inheritance of haemophilia in a family.1.5.3b Give the:
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(b) Genotype of individual R
CorrectIncorrect -
