1) ___________ is the basic unit of life. a) Tissue b) Organ c) Cell d) System 2) one cell becomes 2 cells, 4 cells, 8 cells, 16 cells...... we call this process as _________ a) Cell Diffusion b) Cell Differentiation c) Cell Specialization d) Cell Division 3) Cancer cells formed when normal cell divide _____________. a) uncontrollably b) controllably 4) What is the function of mitochondria a) site of respiration b) control the body activities c) receive sunlight for photosynthesis d) control the chemical reaction of cell 5) ___________ controls the movement of substances in and out of the cell. a) Cytoplasm b) Mitochondria c) Cell membrane d) Cell Wall 6) Both plant cell and animal cell has ........ except a) cytoplasm b) vacuole c) nucleus d) mitochondria 7) Which of the following is multicellular cell? a) Spirogyra b) Amoeba c) Euglena d) Yeast 8) Which of the organisms below can move? a) b) c) d) 9) Tissue is made up with cells with_________functions and structures combine together. a) same b) different c) both d) non of the answer above 10) Which cell in the leaf structure has chloroplast? a) epidermal cells b) Guard cells c) palisade cells d) Root hair cells 11) Which of the following can help to carry information in the form of impulses? a) b) c) d) 12) Who helps to control the opening and closing of stomata a) Guard cell b) Palisade cell c) Epidermal Cell d) Root hair cell 13) Organ: mouth, stomach, intestine.... What is the system belongs to? a) Endocrine system b) Excretory system c) Digestive system d) Respiratory system 14) What is the system? a) Integumentary system b) Nervous system c) Skeletal system d) Endocrine system 15) The blue black colour means there is the presence of starch. What is the solution to test the presence of starch? a) Iodine solution b) Methylene blue solution c) Sugar solution 16) _____________ is the breaking down of food to produce energy. a) External respiration b) Internal respiration 17) Photosynthesis happens at ______________ a) 12am b) 1pm c) 8pm d) 3am 18) What is the product of cell respiration? a) oxygen and glucose b) carbon dioxide and water c) glucose d) carbon dioxide, water and energy 19) What is the raw materials to carry out photosynthesis? a) chlorophyll, water and light b) light, water, carbon dioxide and chlorophyll c) oxygen and glucose d) oxygen, carbon dioxide, chlorophyll and light 20) Why the leaf need to soak in the ethanol? a) To remoove chlorophyll. b) To soften the leaf c) To break down the cell wall d) To test the presence of starch 21) What is the function of the potassium hydroxide solution (KOH)? a) To absorb water b) To absorb oxygen c) To absorb sunlight d) To absorb carbon dioxide 22) What is the process that help to regulate internal environment in our body to make sure our body in a balance and stable condition? a) Respiration b) Exercise c) Homeostasis 23) The main organ that controls all life processes in human body is the_____________ a) Muscle b) Head c) Brain d) Mouth 24) When we drink less water, our urine is ___________ and ______________ a) less ; dilute b) less; concentrate c) more; concentrate d) more; dilute 25) When our body temperature increases, our blood vessel will ____________ a) constrict b) longer c) dilate d) flat 26) What is the temperature to make your skin hair stand erect? a) 100 b) -2 c) 37 27) What is C ? a) Small intestine b) Stomata c) Skin hair d) sweat gland 28) When you do exercise at gym room,  a) rate of breathing decreases b) heartbeat rate increase c) body temperature decrease d) Less carbon dioxide is produced 29) Which of the following is the warm blood animal? a) b) c) d) 30) ____________ is the process of losing water from the surface of the plant leaf. a) Photosynthesis b) Respiration c) Sweating d) Transpiration 31) Water and mineral is absorbed up by _____________ a) stem b) roots c) leaf d) fruit 32) Stoma helps to control opening and closing of cells. a) True b) False c) I dont know 33) Which part of the leaf has a lot of stomata? a) lower  b) upper c) middle d) left 34) Stomata ____________ to allow gaseous exchange. a) open b) close 35) When surrouding temperature is hot, the lizard's .............. a) Movement slow b) heartbeat slow c) body temperature reduce d) metabolism rate increase 36) Why dogs hang their tongue out? a) For cooling effect b) For heating effect 37) this is the biggest _________ in human body. a) cell b) tissue c) organ d) system e) organism 38) Plant has no fixed shape but animal cell has fixed shape. a) False b) True c) Non of the answer 39) cell respiration happens in _______________ a) chloroplast b) mitochondria c) vacuole d) nucleus 40) What is the conclusion can be made? a) Carbon dioxide is needed for photosynthesis. b) Chlorophyll is needed for photosynthesis c) Light is needed for photosynthesis. d) Water is needed for photosynthesis.

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