1) Reptiles will ________ to maintain homeostasis in hot surrounding a) hibernate b) move slower c) move faster d) None of the above 2) When does the plant stoma closes? a) during the day b) at night c) when the temperature is high d) None of the above 3) What should be done when the urine excreted is yellowish and concentrated? a) take vitamin pills b) exercise more c) drink more water d) sleep well 4) What is the process of plant losing water? a) transpiration b) photosynthesis c) respiration d) hibernation 5) What are the most important homeostasis in the human body? a) regulation of water and temperature b) regulation of water and body temperature c) regulation of water content and sweat d) None of the above 6) What is Homeostasis? a) maintenance of the internal environment in the body of an organism b) process of release of sweat c) adaptation of temperature only d) None of the above 7) What is the importance of homeostatis a) To provide optimum conditions in the body b) To maintain body temperature c) To carry out metabolism activities efficiently d) None of the above 8) What is the corrective mechanism that will occur when our body temperature drops? a) Blood vessels dilate to allow more blood to flows through the skin b) Skeletal muscle do not contract and relax c) Skeletal muscle constract and relax d) Hormone that increases the body metabolism is secreted less. 9) Which of the following is a physical factor involved in homeostasis? a) The osmosis pressure b) The level of sugar in the blood c) The change in the body temperature d) The change in the water content of the body 10) Which of the following can regulate water in the plant? a) Diffusion b) Transpiration c) Respiration d) Photosynthesis 11) Which of the following helps in the regulation of body temperature? a) Brain b) Lung c) Stomach d) Liver 12) What is the response of a cat to maintain homeostasis during changes in surrounding temperature? a) they chase their tail b) they lick their fur c) their ears perk up d) their tail wags

Science Form 1 Chapter 3

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