Abscisic acid is known as the stress hormone because it
breaks seed dormancy
induces flowering
promotes leaf fall
promotes closure of stomata
D.
promotes closure of stomata
Abscisic acid acts as a general plant growth inhibitor and an inhibitor of plant metabolism. ABA inhibits seed germination. ABA stimulates the closure of stomata in the epidermis and increases the tolerance of plants to various kinds of stresses. Therefore, it is also called the stress hormone.
Which of the following is correctly labelled
A: Reissner's membrane
B: Scala vestibuli
C : Basilar membrane
D: Tectorial membrane
Photorespiration shows formation of
sugar but not ATP
ATP but not sugar
both ATP and sugar
neither ATP nor sugar
The microscope usually used for seeing living cells or tissues is
compound microscope
electron micrscope
phase contrast microscope
light microscope.
One of the world's most poisonous fish toxins is released by
clown fish
eel fish
sword fish
puffer fish
Which of the following is correctly matched
Monstera- Fibrous root
Dahlin- Fasciculated root
Azadirachta- Adventitious root
Basil- Prop roots
Which of the following is correct regarding respiration in adult frog
In water- Skin, gills
On land - Skin, buccal cavity
In water- Skin, buccal cavity
On land- Skin, lungs, gills
Deuteromycetes are known as fungi imperfecti because
their zygote undergoes meroblastic and holoblastic cleavage
only asexual stages are known
they have aseptate myceliun
they are autotrophic
