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WorksheetsPlant movement and hormones
Total questions: 23
Worksheet time: 17mins
1)It is the movement of the plant in the response to chemical stimulus growth of pollen tube towards the oval during fertilization in the flower.
a)Thigmonasty
b)chemotropism
c)hydrotropism
d)Tactic movement
2) An apparatus commonly used to demonstrate phototropism is
(a) clinostat
(b) heliotropic chamber
(c) photometer
(d) arc auxanometer
plant tendrils climb around any support which they touch shows
Chemotropism
piaitive phototropism
thigmotropism
negative geotropic
Factors that modify geotropic responses are
root and shoot apices, humidity and temperature
root and shoot apices, phytochrome, humidity and temperature
root and shoot apices, temperature, light and atmospheric carbon dioxide
None of these
name the plant in which auxin was first discovered
pea
Mustard
Oats
Rice
Generally, translocation of gibberellins is non-polar occurring through
capillary rise
phloem
Zylem
both xylem and phloem
Which harmones is responsible for saving the crops from falling
cytokinin
Gybberlin
Auxin
Ethylene
Which of the following hormone is found in gaseous form
Abscisic acid
Ethylene
Cytokinin
Auxin
name the plant hormone responsible for ripening of fruits. (Give in one word only).
(a)
which plant hormone is helpful in making RNA and protein.(give in one word only)
(a)
which plant hormone helps in Breaking the dormancy of plant.(give in one word)
(a)
which hormone is growth inhibitor.
(a)
which hormone is growth inhibitor.
(a)
Name the plant in which Auxin was first discovered.
(a)
which hormone is responsible for seed germination.
(a)
which plant hormone causes the delay in senescence (ageing process)
(a)
Which harmones is responsible positive phototropism of plant
(a)
which harmone break the dormancy of seeds and buds?
(a)
Which of these is a function of Abscisic Acid
Stress response
Seed germination
regulate plant growth
Making RNA and protein
Name the site of Gibberellins synthesis
Endosperm
Coleoptile tip
Young leaves
Scetullum
Which plant hormone is formed in injured cells by which the injury of plant is healed?
Florigens
Traumatic
Abscisic Acid
None of the above
Which of the following plant hormone causes a delay in leaf senescence?
Abscisic acid
Ethylene
Auxin
Cytokines
Name the first naturally occurring cytokines.
Neoxanthin
Xanthoxin
Zeatin
Isopentenyl adenine
