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Worksheetsscience form 1 chapter 3
Total questions: 15
Worksheet time: 8mins
Which of the following is a physical factor involved in homeostasis?
The osmosis pressure
The level of sugar in the blood
The change in the body temperature
The change in the water content of the body
Which of the following can regulate water in the plant?
Diffusion
Transpiration
Respiration
Photosynthesis
Diagram shows two students doing exercise. What happens to their body temperature after exercise?
Increase
Decrease
Remains the same
Continues to increases
Which of the following activity shows the fastest pulse rate?
Which of the following statements is the best to explain the need for homeostasis to the organism ?
Avoid sudden death
Maintain constant body temperature
Ensure that all enzymes involved in chemical reactions work well
Provides optimum internal environment for efficient metabolic activity
Shivering in the cold produces heat in the body.
True
False
What is the corrective mechanism occurred when body temperature decrease from the normal ?
Sweating
Hair bends
Blood vessels will contract
The skeletal muscles are not active
What body system is involved in the correction mechanisms experienced by Suzana when her body releases more sweat?
Excreation system
Blood circulatory system
Digestive system
Respirotary system
Which of the following helps in the regulation of body temperature?
Brain
Lung
Stomach
Liver
Which of the following helps in the homeostasis control process?
P - Organ
Q - Endocrine glands
R - Muscles
S - Nerve
P, Q and R only
P, R and S only
Q, R and S only
P, Q, R and S
Which of the following organisms can maintain body temperature, even though the temperature in the surroundings changes significantly?
Toad
Crocodile
Fish
Elephant
Which of the following is the best situation to take an animal's respiratory rate?
When the animal is asleep
As soon as the animal wakes up
When the animal is calm and awake
When the animal has just been exercised
Homeostasis does not occur in plants
True
False
During the day, stoma __________to enable more water to be evaporated from the leaves through transpiration.
opens
closes
What is the process by which plants lose water?
Evaporation
Transpiration
Regulation
Absorption
