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WorksheetsPlant Physiology
Total questions: 20
Worksheet time: 11mins
Opening and closing of stomata takes place due to changes in
turgor pressure of guard cells
plasmolysis of cells
flaccidity of guard cells
wall thickness in guard
Transpiration occurs mainly through
flower bud
epidermis
cuticle
stomata
Guttation is mainly due to
transpiration
imbibition
osmosis
root pressure
Which one of the following is the anti-transpirant
Succinic acid
Phenyl Mercuric Acetate
Acetic acid
Indole Acetic Acid
Name the epidermal cells that surrounds the guard cells of the stoma
mesophyll cells
subsidiary cells
spongy cells
velamen tissue
Water has the highest latent heat of vapourization with 44KJ mol-1 at 25C
True
False
------------------is an blue green algae that helps in Nitrogen fixation.
Anabena
Rhizobium
Azolla
Azotobacter
Formation of fruits without pollination and fertilization is called---------------------.
(a)
The programmed aging process leading to death of an organ or plant is called as ---------------------.
senescence
maturation
morphogenesis
cell death
-----------------is an ripening hormone.
Auxin
Giberellin
Cytokinin
Ethylene
----------------------are small, spherical or rod shaped bodies associated with cellular respiration.
Mitochondria
Plastids
Ribosome
Vacuole
An electron transport system consists of 5 multiprotein complexes
True
False
1. The complex I in ETS chain is a NADH --------------------------enzyme.
Dehydrogenase
hydrogenase
oxidase
phosphorylase
Ubiqunone is a small, lipid soluble electron protein carrier
True
False
Anaerobic respiration produces only --------------ATP molecules.
2
3
4
5
Magnesium is an important component of
enzymes
Florigen
Chlorophyll
Haemoglobin
An element is considered as essential, if
it cannot complete the life cycle without it
the action of it is specific
directly involved in the nutrition
all the above
Pronounced interveinal chlorosis occuring in the young leaves due to the deficiency of ___________
Magnesium
Iron
Boron
Copper
Cheif source of nitrogen is
nitrate
ammonia
both
none
The most recognized role of nitrogen in the plant is its presence in the structure of protein molecule
True
False
