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Quiz for knowledge test
Flashcards
30 cards
F
Practice quiz
P
Host live
L
Questions
30
Answers
1
what is the function of water-water cycle?
transport of water in xylem
preventing photoxidative damage
increase the transpiration by heat stress
transport of water in phloem
2
At which stress conditions heat shock proteins are accumulated?
Salt stress
Heat stress
Light stress
Cold stress
3
What is the function of tocopherol?
Maintenance stability of membrane
Removing of ROS
Activation of water-water cycle
It is vitamin E
4
Which class(es) of photoreceptors confer responses to red light?
Phototropin
Phytochrome A
Phytochrome B
Cryptochrome
5
What is/are the function(s) of the avr genes ?
They encodep proteins that carry out recognition receptors
They encode proteins that carry out pathogenic function
Wall associatedkinases
6
Which family?
Poaceae
Asteraceae
Carrot
Apiaceae
7
Which plant pigment involved in the in transition from skoto- to photo-morphogenesis
phytochrome A
cryptochrome
phytochrome B
phototropin
8
What is the function of brasinosteroids?
Activate scotomorphogenesis in light
Activate photomorphogenesis in dark
Repress scotomorhogenesis in light
Repress photomorphogenesis in dark
9
Which two plant hormones are involved in internode extension
Auxin & Brasinosteroid
GA3 & Auxin
Ethylene & Auxin
Ethylen & ABA
10
What does the abbreviation SAM mean?
Root apical meristem
Protein, which transports Auxins
Shoot apical meristem
Name of the transcription factor, which modulate light signal in the leaf
11
What is the function of SOS proteins?
they remove Na2 from halophytes
Plants use them by herbivore attack crying for help
they romove Na2 from glycophytes
Save our Souls
12
a parasitic organism that kills the living cells of its host and then feeds on the dead matter
Appressorium
Necrotroph
Mycoriza
Gall
13
Which form of Phytochrome is active?
Pfr
Pr
In the shade avoidance, both are active
14
What does the abbreviation PAMP mean?
molecules associated with groups of pathogens
mediated defence
resistance gene
effector molecule
15
A condition in which leaves produce insufficient chlorophyll
Necrosis
Meiosis
Apoptosis
Chlorosis
16
A specialized feeding structure formed from a hypha after penetration of a host-plant cell
Mycelium
Haustorium
Oospore
Conidium
17
Which signalling molecule is responsible for SAR
ethylene
ABA
Salycilic acid
GA3
18
What is NOT the effect of vernalization?
Repression of FLC
Increase the yield
Postpone inflorescence formation
Earlier flowering
19
What is NOT the function of phototropin?
Repression of photomorphogenesis in dark
Chloroplasts movement
Stomata opening regulation
Reaction to the blue light
20
They are monocots, actinomorphic flowers - 3 sepals, 3 petals of the same colour, 6 stamens, leaves with parallel veins
Fabacea (pea family)
Lamiacea (munt family)
Poacea
Liliacea
21
Which plant organ detects day length
apical meristem
shoot
leaf
flower
22
Which pathogens can be transmitted via seeds?
Virus
Fungi
Bacteria
23
What signal molecule regulates stomatal closure to control water loss?
Auxine
ABA
Calcium
ethylene
24
A thick-walled sexual spore that develops from a fertilized oosphere in some fungi and algae
Oospore
Capsid
Elicitor
Sclerotium
25
What happens to the flower meristem if TFL-1 is switched off by genetic modification?
Only one flower will develop
Too many inflorescences will develop
No inflorescence will develop
26
Which pigment is involved in mediating shade avoidance ?
Phytochrome A
Phytochrome B
phototroins
cryptochrome
27
Which of the following is a first product of reduction in Calvine cycle?
Malate
3-Phospho-Glycerate
Gyceraldehyde -3-Phosphate
Oxaloacetate
28
any fungus characterized by bearing the sexual spores in a sac
Gall
Ascomycete
Biotroph
Capsid
29
What is the function of TF PIF3?
Acts positively in the phytochrome signalling pathway.
Acts negatively if the phytochrome signalling pathway
Protein reacting to red light
Auxine transport molecule
30
What protein is replaced relatively quickly in plants that are adapted to high light?
D1 of PSII
D2 of PSII
D2 of PSI
D1 of PSI
