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Name of the Organization : SAASTA – South African Agency for Science & Technology Advancement
Examination Name : Natural Science Olympiad Exam
Announcement : Natural Science Olympiad Exam Question Paper 2017
Grade : 4 TO 6
Year : 2017
Type : Past Papers
Website : http://www.saasta.ac.za/competitions/natural-science-olympiad/
Download Question Paper : https://www.southafricain.com/uploads/9738-NSO4-6.pdf
SAASTA Natural Science Olympiad Exam Question Paper
Date : 11 MAY 2017
Time : 09:00 – 12:00
** Three hours are allowed to answer the questions
Related : SAASTA Natural Science Olympiad 2018 : www.southafricain.com/9733.html
** Please read the instructions carefully before answering the questions
** This is a multiple choice paper. Please answer all the questions on the answer sheet provided. Each question is followed by answers marked A, B, C, and D. Only one answer is correct. Choose the most correct answer and shade the corresponding circle on the answer sheet completely, using an HB pencil.
** NB! The answer sheets are marked electronically – do not make any other dots or marks on the answer sheet. Select only one answer for each question or your answer will be discarded. Ensure that you shade your selection clearly.
** Note that the question numbers 1 to 100 on the answer sheet moves from top to bottom in several columns.
** Ensure that the number of your selection on the answer sheet corresponds with the number of the question in your examination paper. Should you make a mistake, please erase the incorrect answer completely.
** The use of non-programmable electronic calculators is permitted.
** To Avoid Disqualification – You are required to complete all the information requested on the answer sheet.
** Please complete the information in script as well as shade the corresponding blocks. If the corresponding blocks are not shaded appropriately, your results will be returned without a name and you will be disqualified.
** The student number allocated to you can be obtained from your teacher and consists of eight digits e.g. 08149701
** Do not fold the answer sheets.
Grade 4 – 6 Sample Questions
1.Which one of the following is not a characteristic of ALL living things?
3. Which one of the following statements is correct regarding the living plant shown in the diagram?
A The shoot system absorbs water and valuable minerals.
B The flower and fruit are sexual organs of a plant.
C The plant uses its roots to make food and store the food in leaves and fruit.
D A plant uses its leaves to make food and store the food in the fruit.
4. Name the following piece of equipment, which is commonly used in a life science laboratory.
B Medicine Dropper
5. Green plants make their own food by;
A using water from the soil, carbon dioxide from the air, and energy from sunlight
B using water from the soil, oxygen from the air, and energy from sunlight
C releasing carbon dioxide and water vapour into the air
D using roots to store water and nutrients
6. The diagram below represents the process of photosynthesis.
The CORRECT combination of labels for this diagram is …
|represents||Label B represents||Label C
|A||Absorb water||Release carbon dioxide||Absorb oxygen||Light energy|
|B||Store water||Release oxygen||Absorb carbon dioxide||Light energy|
|C||Release water||Release carbon dioxide||Absorb oxygen||Light energy|
|D||Absorb water||Release oxygen||Absorb carbon dioxide||Light energy|
7. Which one of the following is NOT an essential component/condition which plants need in order to grow?
8. Which one of the following is NOT one of the seven life processes of plants?
9. The diagram below indicates a very important process in the life cycle of plants. Name this process.
D Cross breeding
10. The Green pigment in the leaves of plants used to capture sunlight is called …
11. What name is given to the area or type of environment in which a particular kind of animal or plant usually lives?
12. All plants use energy from _____ to make their own food
A minerals in the soil
B its fruits
C the Sun
D its roots
13. A plant makes its own food in the form of?
14. Which of the following are living organisms?
A Bacteria, Enzymes, and Viruses
B Vitamins, Fungi, and Amoeba
C Mammals, Amphibians, and Steroids
D Ferns, Orchids, Fungi
15. Which of the following have the same plant structure?
A Sugar cane, mango, and avocado
B Grapefruit and orange
C Banana, pawpaw, and lime
D All these trees have the same plant structure
16. Which of the following have the same animal structure?
A Jackal, Hyena, Leopard and Tiger
B Lion, Cheetah, Jaguar and Bush Baby
C Wild dog, wild pig, and wild cat
D Bear, dog, and baboon
17. The monkey below uses its tail to …
A …move and swing in trees.
B …kill its prey.
C …regulate its body temperature.
18. Which of the following can coexist in the same habitat?
A Grass, Springbok, Lion and zebra
B Baboon, Mealies, Rat and Cat
C Jackal, Sheep, Wolf and Grass
D All of the above can coexist in the same habitat
19. What is the largest member of the cat family?
20. Consider the Classifications of the following living things and determine which one of the statements is CORRECT?
A Snakes and snails are vertebrates.
B Fish and frogs are invertebrates.
C Elephants and lizards are vertebrates.
D Hyenas and leopards are herbivores.
21. What percentage (%) of all animals are invertebrates?
A 0,5 %
B more than 90%
C less than 50%
D between 60% and 75%
22. The figure below shows a rhino, which is an example of a mammal. Which of the following statements is NOT a characteristic of a mammal?
A They are warm-blooded.
B Mammals are invertebrates
C They have mammary glands to produce milk for their offspring.
D They all have hair.
23. A butterfly can only see three colours and these are …
A yellow, green and black
B red, green and black
C red, yellow and black
D red, green and yellow
24. The following food is rich in …
25. A balanced diet for human beings consists of …
A 25% protein rich food, 25% carbohydrates and 50% fruit and vegetables.
B 50% protein rich food, 25% carbohydrate and 25% fruit and vegetables.
C 25% protein rich food, 50% carbohydrate and 25% fruit and vegetables.
D 33% protein rich food, 33% carbohydrate and 34% fruit and vegetables.