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WorksheetsPENTAKSIRAN SUMATIF SCIENCE FORM 3
Total questions: 20
Worksheet time: 40mins
Which statement is 'FALSE' about Human Nervous System?
Detects stimuli
Send information in the form of impulses
Produces appropriate responses
Reduces impulse movement
Which is the example of voluntary action?
Sneezing
Reading the books
Peristalsis
Withdrawing hand when accidentally touched hot object
There are tiny nodules known as ____________on the surface of the tongue
papillae
mucous
saliva
impulse
Which part of the plant shows positive geotropism?
Shoots of plants
Roots of Plants
Which statements is 'TRUE' when human inhales ?
Rib cages relaxes and outwards
Rib cages moves downwards and inwards
Diaphragm is contracts and and moves downwards
Diaphragm relaxes and curves upwards
What is the respiratory structure that enables the air to enter or leaves the body of a grasshopper?
Alveolus
Bronchiol
Spiracle
Trachea
Which of the following is correct about alveolus?
Has a thick wall
Has a dry surface
Found in small amount
Surrounded by network of blood capillaries
A patient suffering from emphysema finds it difficult to breathe after climbing the stairs. Which of the following parts of the respiratory system is damaged as a result of the disease?
Alveolus
Trachea
Pharynx
Diaphragm
Arsenic is a substance found in cigarettes and is also found in _______
Alkaline battery
Rat Poison
Aceton
Floor Cleaner
Why are stomata closed on hot days?
____________ allows the flow of blood in only one direction from the right atrium to the right ventricle.
Bicuspid valve
Tricuspid valve
Semilunar valve
Septum
The 'dub' sound is produced by the closure of the semilunar valves at the aorta and pulmonary artery when the relaxation of the ventricles occurs. this condition is called_____________?
Diastole
Distole
Siastole
Sistole
The diagram shows human blood group
A
B
AB
O
Guttation is the process of water loss from plants in the form of liquid through ___________ that are always open at the edges of the leaves.
Xylem
Phloem
Palisade
Hydathote
Which of the following is 'TRUE' about Exothermic Reaction.
Heat is absorbed from the surrounding
Involves energy changes
The surrounding temperature decreases
process of photosynthesis
The diagram shows
Exothermic reaction
Endothermic reaction
Diagram below shows the experiment to study the production of electrical energy. How electric current produced?
Cutting of magnetic field by connecting wire
Magnet moved rapidly
Cutting of magnetic field by solenoid
Cutting of magnetic field by magnet
The diagram shows a 3-pin plug. What is the function of fuse?
Allows high current flows through it.
Has low resistance
Prevents the flow of excessive current in the circuit
Connect with earth wire
A transformer is connected to a power supply of 50N. The number of turns of the primary and secondary coil is 100 and 150 turns respectively. calculate the output voltage of the transformer,
10V
15V
20V
25V
What is the mean of Work?
Rate of doing work
Ability of doing work
The product of force and displacement
Energy possessed to move object
