Post on 14-Apr-2018
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1. Which of the following gases is produced during photosynthesis?
A Carbon dioxide
B Nitrogen
C Oxygen
D Water vapour
2. In what form is the carbohydrate made during photosynthesis stored in plants?
A Cellulose
B Glucose
C Glycogen
D Starch
3. Which of the following is an example of osmosis?
A The movement of water vapour from the lungs into the air
B The loss of water from the skin during sweating
C The take-up of water from soil into root hairs
D The storage of starch in the leaves of a plant
4. A small amount of chloroform was placed in a watch glass at the front of the laboratory. After
a few minutes all of the students could smell it because the chloroform vapour spread by
A convection currents
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B diffusion
C evaporation
D osmosis
5. In which part of the body does digestion begin?
A Mouth
B Oesophagus
C Rectum
D Stomach
6. Which of the following shows how air passes from the nose into the lungs?
A Alveolus Bronchiole Bronchus Trachea
B Bronchiole Bronchus Trachea Alveolus
C Trachea Bronchus Bronchiole Alveolus
D Bronchus Trachea Alveolus Bronchiole
7. Through which of the following parts of a plant is most water absorbed?
A Flowers
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B Leaves
C Roots
D Stem
8. Which of the following is present in a plant cell but not in an animal cell?
A Cell wall
B Cytoplasm
C Mitochondria
D Nucleus
9. Which of the following is a correct description of what happens across a selectively permeable
membrane during osmosis?
A Sugar molecules move from a region where there are many of them to one where there are
few of them
B Sugar molecules move from a region where there are few of them to where there are few ofthem
C Water molecules move from a region where there are many of them to one where there arefew of them
D Water molecules move from a region where there are few of them to one where there aremany of them
10. Which of the following groups of animals obtain oxygen through gills?
A Amphibians
B Birds
C Fish
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D Insects
11. Which is the organ of sexual reproduction in a plant?
A Flower
B Leaf
C Root
D Stem
12. A sample of soil was shaken with water in a jar and left to stand. In which order would the
different components appear starting from the bottom of the jar?
A Humus, clay, sand, gravel
B Clay, sand, gravel, humus
C Gravel, sand, clay, humus
D Sand, gravel, humus, clay
13. Which of the following are absorbed in solution from the soil by plant?
A Hydrocarbons
B Mineral salts
C Proteins
D Sugars
14. If a person suffers from anaemia they are deficient in
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A calcium
B fibre
C iron
D vitamin C
15. When iodine is added to starch it turns
A blue-black
B green
C orange-red
D yellow
16. Where in the body is the hormone insulin produced?
A Brain
B Kidney
C Pancreas
D Testes or ovaries
17. The part of the eye that is sensitive to light is called the
A cornea
B iris
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C optic nerve
D retina
18. The process in which sperm combines with an egg is called
A fertilization
B intercourse
C pollination
D reproduction
19. Which of the following statements about food chains is always true?
A Food chains only contain animals
B Food chains always start with a producer
C Food chains only contain herbivores
D Food chains must contain at least four organisms