1) Which of the following statements marks as a difference between plant cell and animal cell? a) Plant cells have cell wall which animal cells do not. b) Plant cells do not have vacuole while animal cells do have. c) Plant cells have only cell membrane while animal cells have both cell wall as well as cell membrane. d) Plant cells have more plastids while animal cells have few plastids. 2) What is the function of a cell wall? a) Organizes DNA b) Digests, recycles materials c) Structure and protection d) ATP formation 3) plant cell organelles that convert light energy into relatively stable chemical energy via the photosynthetic process are called a) Cytoplasm b) Chloroplast c) Mitochondria d) Vacuole 4) The speed of facilitated diffusion is high. a) True b) False 5) is a type of passive transport. It is simply the unassisted movement of solute, occurs when its electrochemical potentials on the two sides of a permeable barrier varies a) Simple diffusion b) Facilitated Diffusion 6) Facilitated diffusion is type of operation of biological transport. It is a specific structural component of biological membranes which interact with particular solutes or classes of solutes. a) Simple diffusion b) Facilitated Diffusion 7) In the simple diffusion, the movement of molecules can take place in both ways – along the direction and opposite of the concentration gradient. a) True b) False

L.M FUN SCIENCE

Tisk
Vložit

Výsledková tabule/Žebříček

Vizuální styl

Možnosti

Přepnout šablonu

Obnovit automatické uložení: ?