Plant Growth and Hormones Quiz

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Test your plant growth basics

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Jan Barbee

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Plant Growth and Hormones Quiz


Plant Growth and Hormones QuizVersión en línea Test your plant growth basics por Jan Barbee 1 Where do stems primarily grow from in plants? a root cap b cambium c apical meristem d lateral meristem 2 What is the zone of elongation? a at the root cap b just behind the apical meristem c in the zone of maturation d in the cambium 3 What is the zone of maturation responsible for? a elongation only b cell division c photosynthesis d mature cell formation 4 What protects the apical meristem at the root tip? a coated seed b endodermis c columella d root cap 5 What triggers cells to divide at the root tip? a cotyledon b zone of elongation c apical meristem d zone of maturation 6 Where is the zone of elongation located? a at the root cap b in the zone of maturation c far behind the meristem d directly behind the apical meristem 7 What happens during seed germination? a seeds remain dormant b seeds shed their coat c seeds leave dormancy and grow d seeds die 8 What is imbibition? a nutrient uptake after germination b water absorption by seeds before germination c seed coat cracking d soil hydration 9 What is scarification? a soaking seeds in acid b scratching or nicking the seed coat to induce germination c separating seed coats d drying seeds 10 What surrounds the young shoot in monocots? a epicotyl b hypocotyl c coleoptile d cotyledon 11 What does indeterminate growth mean? a parts can grow indefinitely b growth stops at maturity c only roots grow d always short 12 What is determinate growth? a roots only grow b flowers never grow c parts stop growing after a certain size d plants grow forever 13 What is quiescence in seeds? a universal germination b dormancy unless specific conditions are met c constant growth d immediate germination 14 What is photoperiodism? a water uptake b seed dispersal c hormone synthesis d plant responses to day length 15 What characterizes short-day plants? a flower when night is long b flowers only indoors c flower in long days d never flower 16 Name a short-day flowering example. a Chrysanthemum b Clover c Tomato d Lettuce 17 What defines long-day plants? a never respond to daylight b flower at noon c flower when night length is short d require artificial light only 18 Name a long-day plant example. a Peanut b Soybean c Spinach d Pomegranate 19 What are intermediate-day plants known for? a never flower b only in winter c require constant light d flower with intermediate day length 20 Which is an intermediate-day plant example? a Sugarcane b Tomato c Rice d Wheat 21 What characterizes day-neutral plants? a only flower at night b require vernalization c need constant short days d flower independent of daylight length 22 What is vernalization? a temperature-induced flowering response b light-induced flowering c earth gravity effect d nutrient-induced growth 23 Which plant is day-neutral? a Tomatoes b Chrysanthemum c Aster d Poinsettia 24 What is tropism? a immediate seed germination b growth in random directions c growth toward or away from a stimulus d senescence only 25 What is phototropism? a growth in dark b growth away from light c growth toward gravity d growth toward light 26 What is gravitropism? a no growth response b growth downward in response to gravity c upward growth due to gravity d toward light 27 What is thigmotropism? a response to touch b response to gravity c response to light d response to drought 28 What is hydrotropism? a growth away from water b growth toward light c growth independent of water d growth toward water 29 What are nuations? a seed dispersal movements b root cap movements c spiraling lateral growth movements d flowering movements 30 What is a nodding movement in beans? a flowering delay b seed dispersal c leaf folding d hypocotyl bending like a pendulum 31 What is twining movement? a roots pull soil b tendrils wrap around supports c flowers coil d leaves drop 32 What is turgor movement caused by? a genetic factors b nutrient levels c water pressure changes d temperature changes 33 What causes circadian rhythm movements in plants? a soil nutrients b random chance c seasonal cues d daily time cycle 34 What is solar tracking? a flowers face dawn b roots turn to sun c leaves track wind d leaves head perpendicular to sun 35 What is a taxic movement? a soil migration b daytime movement c directed movement in reproductive cells d random movement 36 What triggers winter dormancy? a shortening day length b long days c increased temps d more rainfall Feedback 1 Stems grow from the apical meristem at the tip. 2 The zone of elongation lies just behind the apical meristem. 3 The zone of maturation is where cells mature and differentiate. 4 The root cap protects the growing apical meristem. 5 The apical meristem triggers division at the tip. 6 It lies directly behind the apical meristem. 7 Germination is the process of breaking dormancy and growth begins. 8 Imbibition is seed water uptake prior to germination. 9 Scarification disrupts the seed coat to promote germination. 10 The coleoptile surrounds the developing shoot in monocots. 11 Indeterminate growth continues without a predetermined size. 12 Determinates growth halts after reaching a size. 13 Quiescence requires environmental cues to germinate. 14 Photoperiodism is a response to daylight or darkness duration. 15 Short-day plants flower when night length is at or above a critical length. 16 Chrysanthemums are classic short-day bloomers. 17 Long-day plants flower with shorter nights. 18 Spinach is a classic long-day plant. 19 They flower when day length is neither very long nor very short. 20 Sugarcane is listed as intermediate-day. 21 Day-neutral plants flower due to other stimuli, not day length. 22 Vernalization is a temperature cue affecting flowering. 23 Tomatoes are given as an example of day-neutral. 24 Tropism is directional growth toward/away from stimuli. 25 Phototropism is toward light. 26 Gravitropism directs roots downward with gravity. 27 Thigmotropism is touch-induced movement. 28 Hydrotropism guides roots toward moisture. 29 Nuations are spiraling lateral growth movements. 30 Nodding describes hypocotyl bending through soil. 31 Twining involves tendrils spiraling around supports. 32 Turgor movements arise from changes in cellular turgor pressure. 33 Circadian rhythms relate to time of day. 34 Solar tracking keeps leaves/flower heads oriented to sun. 35 Taxic movements involve directed movement in cells with flagella or cilia. 36 Winter dormancy is prompted by shorter days.

Plant Growth and Hormones Quiz

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Plant Growth and Hormones QuizVersión en línea

por Jan Barbee

Where do stems primarily grow from in plants?

What is the zone of elongation?

What is the zone of maturation responsible for?

What protects the apical meristem at the root tip?

What triggers cells to divide at the root tip?

Where is the zone of elongation located?

What happens during seed germination?

What is imbibition?

What is scarification?

What surrounds the young shoot in monocots?

What does indeterminate growth mean?

What is determinate growth?

What is quiescence in seeds?

What is photoperiodism?

What characterizes short-day plants?

Name a short-day flowering example.

What defines long-day plants?

Name a long-day plant example.

What are intermediate-day plants known for?

Which is an intermediate-day plant example?

What characterizes day-neutral plants?

What is vernalization?

Which plant is day-neutral?

What is tropism?

What is phototropism?

What is gravitropism?

What is thigmotropism?

What is hydrotropism?

What are nuations?

What is a nodding movement in beans?

What is twining movement?

What is turgor movement caused by?

What causes circadian rhythm movements in plants?

What is solar tracking?

What is a taxic movement?

What triggers winter dormancy?