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Breezy Thomas
BIOLOGY
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Botany
What is the primary mode of transmission for the fungal pathogen causing powdery mildew in plants?
A. Soilborne.
B. Airborne.
C. Waterborne.
D. Seedborne.
Breezy Thomas
BIOLOGY
-
Botany
In which ecological biome would you expect to find plants adapted to periodic flooding and anaerobic soil conditions?
A. Tropical Rainforest.
B. Tundra.
C. Wetlands.
D. Desert.
Breezy Thomas
BIOLOGY
-
Botany
In a dihybrid cross between two pea plants (TtRr x TtRr), what is the probability of obtaining an offspring that is homozygous recessive for both traits?
A. 1/16.
B. 1/8.
C. 1/4.
D. 1/2.
Breezy Thomas
BIOLOGY
-
Botany
Which plant family includes species commonly known as legumes, characterized by their ability to fix atmospheric nitrogen?
A. Fabaceae.
B. Asteraceae.
C. Rosaceae.
D. Solanaceae.
Breezy Thomas
BIOLOGY
-
Botany
Which of the following plant hormones is primarily responsible for promoting cell elongation and stem growth?
A. Auxin.
B. Gibberellin.
C. Cytokinin.
D. Abscisic Acid.
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