A density-dependent factor that regulates the population size of organism is
Disease
Sudden flood
Drought
Fire outbreak
Correct answer is A
No explanation has been provided for this answer.
The most important hormone that induces the ripening of fruit is
Ethylene
Indole acetic acid
Gibberallin
Cytokinin
Correct answer is A
No explanation has been provided for this answer.
The response of plants to external stimuli in a non-directional manner is known as
Tactic movement
Phototropism
Geotropism
Nastic movement
Correct answer is D
Plant movements that are independent of the direction of the stimulus or that are caused by non-directional stimuli are called nastic movements.
Guava
Maize grain
Coconut
Tomato
Correct answer is B
No explanation has been provided for this answer.
Homologous pairs of chromosome separate during
Cytolysis
Cleavage
Mitosis
Meiosis
Correct answer is D
No explanation has been provided for this answer.