test code 09630010 form tp 2020389
TRANSCRIPT
TEST CODE 09630010 FORM TP 2020389
GUYANA MINISTRY OF EDUCATION
NATIONAL GRADE SIX ASSESSMENT
SCIENCE
Paper 01
( APRIL 8, 2020 (p.m.) )
1 hour and 10 minutes
READ THE FOLLOWING INSTRUCTIONS CAREFULLY.
1. This test has 40 questions. You have 1 hour and 10 minutes to answer them.
2. Each question has four suggested answers: (A), (B), (C) and (D). Read each question carefully, then choose the correct answer.
3. On your answer sheet, find the number that matches the question you intend to answer.
4 . Shade the circle with the letter, (A), (B), (C) or (D), that matches your answer for each question.
Sample Question
Carbon dioxide is a
(A) (B) (C) (D)
mixture. liquid. solid. gas.
The correct answer is "gas", so (D) has been shaded.
Sample Answer
®®®e
5. If you want to change your answer, erase it completely before you fill in your new choice.
6. When the supervisor tells you to begin, turn the page and work as quickly and as carefully as you can.
7. If you try a question and find that you cannot answer it, leave it and go on to the next one. You may return to that question later.
8. You must not use calculators for this examination. Rough work may be done in this booklet.
DO NOT TURN THIS PAGE UNTIL YOU ARE TOLD TO DO SO.
0963001 0/NGSA 2020
Copyright© 2019 All rights reserved.
-2-
1. The fusing of the egg and sperm is called
(A) ejaculation.
(B) fertilization.
(C) intercourse.
(D) implantation.
2. Which of the following correctly shows the route taken by a sperm during sexual
reproduction?
(A) Penis ~ ovary ~testes
(B) Penis~ testes~ vagina
(C) Testes ~ penis ~ vagina
(D) Testes~ ovules~ penis
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Question 3 refers to the following classification chart which shows the different
parts of the human body under the body system in which they function .
Body systems
Heart Veins
Arteries
Skull Spine
Ribcage
,..
Mouth Stomach
Small intestine
3. The body systems labelled P, Q, R and 5 are
p Q R
(A) circulatory digestive skeletal
(B) respiratory skeletal digestive
(C) circulatory skeletal digestive
(D) respiratory digestive skeletal
4. An example of an invertebrate is a
(A) fish.
(B) bird.
(C) whale.
(D) butterfly.
Lungs Nostrils
Windpipe
5
respiratory
circulatory
respiratory
circulatory
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5. Animals that have skin with fur or hair, feed milk to their young and maintain a
constant body temperature are called
(A) fish.
(B) birds.
(C) reptiles .
(D) mammals.
Question 6 refers to the following diagram which shows an insect, Y.
Insect Y
6. Insect Y may be a threat to mankind because it
(A) spreads diseases.
(B) destroys homes.
(C) damages crops.
(D) spreads litter.
7. Which part of the plant allows excess water to be given off?
(A) Fruits
(B) Roots
(C) Stems
(D) Leaves
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-5-
8. The green pigment in leaves that helps them to carry out photosynthesis is
called
(A) palisade.
(B) mesophyll.
(C) chlorophyll.
(D) chloroplast.
Question 9 refers to the following diagrams of two animals.
9. What special adaptation feature do both animals have in common?
(A) Type of feet
(B) Body covering
(C) Shape of mouth
(D) Shape of tongue
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Question 10 refers to the following diagram of the water cycle.
10. The process taking place at A is
(A) sublimation.
(B) evaporation.
(C) precipitation.
(D) condensation.
11. Which of the following techniques is used to separate insoluble particles from a
liquid?
(A) Filtration
(B) Distillation
(C) Evaporation
(D) Chromatography
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• 12. From the earth, the moon appears to be big and bright. This phase of the moon
is called
(A) full moon.
(B) new moon.
(C) first quarter.
(D) last quarter.
13. One form of energy given off by a burning candle is
(A) chemical.
(B) potential.
(C) sound.
(D) light.
14. Two examples of wedges are
(A) a knife and an axe.
(B) a door knob and a knife.
(C) a pair of pliers and an axe.
(D) a door knob and a pair of pliers.
15. Which of the following organs of the human body is correctly matched to its
function?
Organ Function
(A) Heart Pumps blood to all parts of the body
(B) Lung Transports oxygen around the body
(C) Stomach Removes water from undigested food
(D) Large intestine Absorbs nutrients from food
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16. Which two body systems work together to transport oxygen to the cells in the
human body?
(A) Digestive and skeletal
(B) Circulatory and skeletal
(C) Respiratory and digestive
(D) Circulatory and respiratory
Question 17 refers to the following diagram which shows one of the systems in
the human body.
l-+--+-11
--v--r--H--Ill
17. Which of the parts labelled I, II, Ill, IV, is not involved in the digestion of food?
(A)
(B) II
(C) Ill
(D) IV
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-9-
Question 18 refers to the following diagrams which show four organisms.
Octopus Butterfly Housefly Cockroach
18. Which of the organisms above undergoes three stages in its life cycle?
(A) Cockroach
(B) Octopus
(C) Butterfly
(D) Housefly
19. The part of a flower that has a similar function to the testes in a human male is
the
(A) anther.
(B) stigma.
(C) ovule.
(D) style.
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-1U-
Question 20 refers to the following steps which describe how sexual reproduction
takes place in plants.
V - Male cell fuses with female cell.
W - Pollen grains are transferred to stigma.
X - Anther releases pollen grain.
Y - Pollen tube grows towards ovule.
Z - Seed develops.
20. Which of the following options shows the correct sequence of steps in the
process of sexual reproduction in a flowering plant?
(A) x~z~v~w~v
(B) x~w~v~v~z
(C) w~x~z~v~v
(D) w~v~x~v~z
Question 21 refers to the following statements which describe the different
stages of a seed germinating into a seedling.
I. The shoot grows upwards.
II. The young plant uses sunlight to make food.
Ill. The root grows downwards.
IV. The seedling develops its first leaves.
21. Which of the following options shows the stages of germination in the correct
order?
(A) I, Ill, II, IV
(B) II, IV, Ill, I
(C) Ill, I, IV, II
(D) Ill, IV, I, II
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-11-
Question 22 refers to the following table which shows some animals that are
grouped according to their habitats.
Habitat Animals
p Dolphin, jellyfish, starfish
R Earthworm, wood louse, centipede
s Grasshopper, butterfly, spider
T Tadpole, mosquito larva, dragonfly nymph
22. In which of these habitats would a praying mantis most likely be placed?
(A) p
(B) R
(C) S
(D) T
23. What would be the source of energy for the producer in the following food
chain?
grass ~ deer~ lion
(A) Sun
(B) Water
(C) Oxygen
(D) Nutrients
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-1L-
Question 24 refers to the following diagram which shows the different stages in
the water cycle.
0 ~Sea~
0 Rive~ /Cioud0 Rain
G 24. Which process(es) take(s) place from Stage 5 to Stage P?
(A) Melting only
(B) Condensation only
(C) Melting and evaporation
(D) Evaporation and condensation
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Question 25 refers to the following table which shows some properties of three
substances, X, Y and Z.
Has Mass Has a Definite Has a Definite
Volume Shape
X Yes No No
y Yes Yes No
z Yes Yes Yes
25. Which of the following represents the correct state of matter for X, Y and Z?
X y z
(A) Solid Liquid Gas
(B) Liquid Solid Gas
(C) Gas Liquid Solid
(D) Liquid Gas Solid
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-14-
Question 26 refers to the following diagram which shows four possible pathways
(1, II, Ill and IV) for the transfer of energy from a plant to a human.
Plant I .. · I \ " ..
I \ ' .. · ,_.,.,.,•"' I ' \ ' /lns~··i
I E ~ I I I . . I
8 I I I I I . I
~ .
/HuLl I
I Hu!an I I Hu~an I II Ill IV
26. Which pathway above transfers the most energy from a plant to a human?
(A)
(B) II
(C) Ill
(D) IV
27. Which of the following is the best reason for using metals to make cooking
pots?
(A) Metals can conduct heat.
(B) Metals are strong objects.
(C) Some metals are lightweight.
(D) Metals are shiny and attractive.
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28. Which of the following practices would best conserve electricity?
I. Switching off electrical appliances when not in use
II. Drying clothes in the dryer on a hot and sunny day
Ill. Using energy-saving appliances like compact fluorescent bulbs
(A) I and II only
(B) I and Ill only
(C) II and Ill only
(D) I, II and Ill
Question 29 refers to the following diagram which shows two identical marbles,
X andY, rolling towards each other at the same speed.
29. Which of the following statements correctly describes what will happen when
the two marbles collide?
(A) Marble X will move backwards, while Marble Y will stop moving.
(B) Marbles X and Y wi ll move in opposite directions at different speeds. (C) Marbles X andY will move in opposite directions at the same speed.
(D) Marble X will stop moving upon hitting Marble Y, while Marble Y will
move backwards.
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-16-
Question 30 refers to the following diagrams which show three objects, a
hammer, a rowboat and a seesaw.
Hammer Rowboat Seesaw
30. The simple machine in use by the hammer, rowboat and seesaw is
(A) a lever.
(B) a gear.
(C) an inclined plane.
(D) a wheel and axle.
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Question 31 refers to the following diagram which shows the human digestive
system.
r+--+-Q
-v-v-:4+---R
31. Which of the parts labelled L, P, Q, Rand S works closely with the circulatory
system to provide nutrients to the various cells in the human body?
(A) L
(B) Q
(C) R
(D) S
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Question 32 refers to the following diagrams which show the human male and
female reproductive systems.
N
32. Which of the labelled parts of the male and female reproductive systems perform
similar functions?
(A) L and P; Q and M
(B) Land Q; M and R
(C) L and P; N and R
(D) ·M and Q; Nand R
33. Which of the following statements about sexual reproduction in both plants and
animals is incorrect?
(A) The female sex cells are produced in the ovary.
(B) The process of pollination takes place before fertilization.
(C) The male sex cells are created in the anther and the testes.
(D) The male sex cells produced in the anthers are called spores.
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-19-
Question 34 refers to the following illustration of an experiment. The set-up was
left in the sun for a few hours.
::o' I~~ / ......
I I \
Sun Steel container
11-----#--Plant
_,j-------11-- Beaker of water
34. Which of the following processes will most likely occur inside the container?
(A) Condensation and freezing
(B) Evaporation and respiration
(C) Photosynthesis and respiration
(D) Evaporation and photosynthesis
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-LU-
Question 35 refers to the following diagram which shows a food web.
X
Caterpillar
Rabbit
35. Which set of organisms for X, Y and Z will correctly complete the food web?
X y z
(A) Earthworm Spider Sparrow
(B) Owl Eagle Ladybug
(C) Grasshopper Bird Hawk
(D) Squirrel Earthworm Lizard
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Question 36 refers to the following diagram which shows the water cycle. In the
diagram, P, Q, Rand S indicate the changes in the state of water.
/I Clouds I~ I Water vapour I I Rain
~I Sea I /o
36. Based on the diagram above, which of the following statements about the
changes in state of water that occur in the water cycle is correct?
(A) At Point P, water changes from a liquid to a solid state.
(B) At Point R, water changes from a solid to a liquid state.
(C) At PointS, water changes from a gaseous to a liquid state.
(D) At Point Q, water changes from a liquid to a gaseous state.
37. John wishes to extract the salt from a glass of salt solution. Which of the
following methods of separation should he use?
(A) Sedimentation
(B) Evaporation
(C) Distillation
(D) Filtration
38. Predicting the weather is more accurate today because of the use of
(A) rockets.
(B) telescopes.
(C) natural satellites.
(D) artificial satellites.
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Question 39 refers to the following diagram of a simple circuit.
Switch
39. Which of the following correctly shows the energy conversion that occurs in
lighting the bulb, as illustrated in the diagram above?
(A) Light~ electrical ~ chemical
(B) Chemical~ electrical~ light
(C) Electrical~ light ~ chemical
(D) Chemical~ light~ electrical
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Question 40 refers to the following diagrams which show the different shapes
formed when the same piece of paper is folded.
0 I I ~ w X y
40. Which of the shapes would have the greatest resistance to gravity?
(A) W
(B) X
(C) y
(D) Z
END OF TEST
IF YOU FINISH BEFORE TIME IS UP, CHECK YOUR WORK ON THIS TEST.
0963001 0/NGSA 2020
Prepared by
CARIBBEAN EXAMINATIONS COUNCIL