A) fresh weight, cell number and cell size only B) fresh weight, cell number and cell shape C) dry weight, cell size and cell shape only D) dry weight, cell number and cell size
A) Region of elongation B) Region of maturation C) Root cap D) Region of cell division
A) differentiation B) division C) elongation D) maturation
A) cytokinin B) ethylene C) gibberellin D) auxin
A) cytokinin B) auxin C) abscisic acid D) gibberellin
A) Auxin B) Cytokinin C) Ethylene D) Gibberellin
A) cytokinin B) gibberellin C) ethylene D) auxin
A) gibberellin B) auxin C) abscisic acid D) cytokinin
A) phototaxis B) photonasty C) phototropism D) photoperiodism
A) negative hydrotropism B) negative geotropism C) positive geotropism D) positive phototropism
A) positive hydrotropism B) negative hydrotropism C) positive chemotropism D) positive geotropism
A) plagiotropism B) diageotropism C) negative tropism D) positive tropism
A) geotropism B) chemotropism C) thigmotropism D) hydrotropism
A) hydrotropism B) phototropism C) thigmotropism D) chemotropism
A) root cap region B) region of maturation C) region of elongation D) meristematic region
A) maturation B) elongation C) differentiation D) division
A) apical growth B) intercalary growth C) secondary growth D) primary growth
A) lateral growth B) secondary growth C) primary growth D) intercalary growth
A) apical meristem B) cork cambium C) intercalary meristem D) vascular cambium
A) Root cap, meristematic zone, zone of elongation, zone of maturation B) Root cap, zone of elongation, meristematic zone, zone of maturation C) Meristematic zone, root cap, zone of maturation, zone of elongation D) Zone of maturation, zone of elongation, meristematic zone, root cap
A) villi B) cilia C) pseudopodia D) flagella
A) cilium B) flagellum C) pseudopodium D) contractile vacuole
A) Cilia are longer and fewer than flagella B) Cilia occur only in plants while flagella occur only in animals C) Cilia lack microtubules while flagella possess them D) Cilia are shorter and more numerous than flagella
A) cyclosis B) osmosis C) diffusion D) plasmolysis
A) chromosomes during cell division B) the entire cell from one place to another C) cytoplasm around the cell along a fairly fixed pathway D) water molecules across the cell membrane
A) Lysosome B) Mitochondrion C) Ribosome D) Golgi apparatus
A) produce mucus for lubrication B) sweep out mucus, dust and microorganisms C) warm incoming air before it reaches the lungs D) absorb oxygen into the blood
A) meiosis B) binary fission C) budding D) mitosis
A) amitosis B) mitosis C) fragmentation D) meiosis
A) budding B) binary fission C) conjugation D) sporulation
A) green plants break down carbohydrates to release energy using oxygen B) plants convert stored starch into glucose for immediate use C) green plants manufacture carbohydrates from carbon dioxide and water using light energy trapped by chlorophyll D) plants absorb mineral salts from the soil for growth
A) oxygen and water B) carbon dioxide and water C) carbon dioxide and glucose D) oxygen and glucose
A) Krebs cycle B) light stage C) dark stage D) glycolysis stage
A) photolysis stage B) photophosphorylation stage C) light stage D) dark stage
A) xanthophyll B) carotene C) anthocyanin D) chlorophyll
A) Adequate light intensity, suitable temperature and available carbon dioxide B) High humidity, absence of chlorophyll and low light intensity C) Darkness, low temperature and absence of carbon dioxide D) Low carbon dioxide concentration, high temperature and darkness
A) dissolve the starch present in the leaf B) destroy the cuticle covering the leaf C) remove chlorophyll and soften the leaf so that iodine can penetrate it D) kill the leaf cells and stop respiration
A) turns blue-black while the uncovered part remains brown B) remains unaffected along with the uncovered part C) remains unaffected (brown) while the uncovered part turns blue-black, showing that light is necessary for starch formation D) turns blue-black just as the uncovered part does
A) oxygen B) hydrogen C) carbon dioxide D) nitrogen
A) the number of bubbles of carbon dioxide given off per unit time B) the amount of starch accumulated in the leaves C) the volume of water absorbed by the plant D) the number of bubbles of oxygen given off per unit time
A) A positive starch test shown by a blue-black colouration with iodine solution B) A positive test for reducing sugar with Benedict's solution C) A colour change of the leaf from green to yellow D) Wilting of the leaf when exposed to sunlight
A) micronutrients B) macronutrients C) vitamins D) trace elements
A) major elements B) macronutrients C) micronutrients D) organic nutrients
A) Potassium B) Calcium C) Magnesium D) Nitrogen
A) magnesium B) calcium C) nitrogen D) iron
A) chemical energy B) kinetic energy C) heat energy D) potential energy
A) ADC B) RDP C) PDP D) ATP
A) Kinetic energy B) Chemical energy C) potential energy D) Solar energy
A) psychophytic B) experiment C) systematic D) metabolic
A) they can use their chlorophyl to trap trap sunlight energy B) they can grow on their own C) they have chlorophyl D) they can manufacture their own food |