E X A M R E V I S I O N Q U I Z

YEAR 10 SCIENCE

ROUND 1 - PHYSICS

QUESTION 1

QUESTION 1 (2 +2 POINTS)

Solution

QUESTION 2 (2 + 2 +1 POINT)

QUESTION 2

Solution

QUESTION 3 (1 POINT)

QUESTION 3 Answer C

QUESTION 4 ( 1 +1+1+1 POINT)

QUESTION 4 ANSWERS

QUESTION 5 (1 +1+1+1 POINT)

QUESTION 5Solution

QUESTION 6 (2 POINTS)

QUESTION 6 – ANSWER C

WHAT IS YOUR SCORE FOR ROUND 1?ROUND 1 – SCORE /20

ROUND 2 - GENETICS

QUESTION 1- LIST THE GENOTYPES OF EACH MEMBER OF THIS FAMILY

½ point for each correct genotype

QUESTION 1- LIST THE GENOTYPES OF EACH MEMBER OF THIS FAMILY

QUESTION 2 (TOTAL 5 POINTS)

QUESTION 2 (TOTAL 5 POINTS)

QUESTION 3 (1 + 1 POINT)

QUESTION 3 - ANSWER

QUESTION 4 – 1 POINT

QUESTION 4 – 1 POINT

• Answer - 32

QUESTION 5 ( 1 + 1 POINT)

• Name the type of cell division that is responsible for• growth and repair in the body. How many

daughter cells are created.

QUESTION 5

• Name the type of cell division that is responsible for• growth and repair in the body.

Mitosis – 2 daughter cells

QUESTION 6 (2 POINTS)

• The eye colour of a fruit fly is determined by a single gene that has dominant and recessive alleles. The allele for red eyes (R) is dominant over the allele for white eyes (r).• a) Two heterozygous red eyed flies are crossed.

Show the parents and a punnet square to show the outcome.

QUESTION 6

• The eye colour of a fruit fly is determined by a single gene that has dominant and recessive alleles. The allele for red eyes (R) is dominant over the allele for white eyes (r).• a) Two heterozygous red eyed flies are crossed.

Show the parents and a punnet square to show the outcome.

QUESTION 7 (3 POINTS)

Using your punnet square from question 6

• b) What proportion of the offspring would be homozygous recessive?_____• c) What proportion of the offspring would have

red eyes? _____• d) What proportion of the offspring would be

heterozygous? _____

QUESTION 7

Using your punnet square from question 6

• b) What proportion of the offspring would be homozygous recessive?_____• c) What proportion of the offspring would have

red eyes? _____• d) What proportion of the offspring would be

heterozygous? _____

QUESTION 8 – (1 POINT)

• What is a Sex-Linked characteristic? Give an example. What chromosome is it carried on – the X or the Y?

QUESTION 8 – (1 POINT)

• What is a Sex-Linked characteristic? Give an example. What chromosome is it carried on – the X or the Y?

• Examples – Haemophilia & Colour blindness• Defected sex chromosome – Mostly X

WHAT IS YOUR SCORE FOR ROUND 2?ROUND 2 – SCORE /20

ROUND 3 – MULTIPLE CHOICE

MOTION

Which of the following statements are true about scalar and vector measurement?A. Vector

measurements are expressed as size and a direction.

B. Vector measurements are expressed as size with no direction.

C. Scalar measurements are expressed as a direction and size

D. Scalar measurements are expressed as size with no direction.

 

Which of the following equations can be used to calculate the speed of an object?A. Time taken ÷ distanceB. Distance ÷ displacementC. Distance ÷ time takenD. Time take ÷ displacement 

A rock rolls for 30 seconds down a hill at an average speed of 4 m/s. What distance does it travel?A. 240 mB. 120 mC. 34 mD. 7.5 m 

Q1 Q2 Q3

MOTION

Which of the following best describes the Law of Conservation of Energy?A. Energy can be

created, but it can never be destroyed.

B. Energy can be destroyed, but it can never be created.

C. Energy can neither be created nor destroyed.

D. Energy can be created and destroyed.

 

A class is studying Newton’s three laws.The teacher asks a student wearing rollerblades to face the wall and push against it. She moves backwards away from the wall. Which is the best explanation for her movement?A. Her action of pushing

resulted in a reaction force by the wall, in the opposite direction to her push.

B. She used her feet to push herself away from the wall.

C. The push is a force and causes her to accelerate.

D. The inertia of the student is responsible for her acceleration.

 

Q4

Q5

GENETICS

Which of the following organisms are composed of cells without a nucleus?A. animalsB. bacteriaC. fungiD. plants 

The process of cell division which produces the gametes in the sex organs is:A. cloningB. fertilisationC. meiosisD. mitosis. 

Q6 Q7

GENETICS

Human body cells normally contain 46 chromosomes. The number of chromosomes in the fertilised egg that forms a new zygote is:A. 23B. 46C. 92. 

The alternative forms of each gene are called:A.allelesB.gametesC.hybridsD.monohybrids. 

Q8 Q9

GENETICS

Which one of the following is possible if two parents with black hair produce a child with red hair?A. the mother has a homozygous

dominant genotypeB. the father has a homozygous

dominant genotypeC. both parents have the

heterozygous genotypeD. only the father has the allele for

red hair 

When red-flowered snapdragons are crossed with white-flowered snapdragons, some of the offspring have pink flowers. This is an example of:A. cloningB. incomplete dominanceC. karyotypingD. mutation. 

Q10 Q11

GENETICS

A gene is:(a) Found in the cytoplasm of a cell(b) The rule that governs how bases pair(c) A stretch of DNA that codes for protein(d) Double stranded RNA 

• Q12

MULTIPLE CHOICE /12