The movement response of a cockroach away from a light so...
The movement response of a cockroach away from a light source can be described as
positive phototaxism
negative phototaxism
negative phototropism
positive phototropism
Correct answer is B
No explanation has been provided for this answer.
The total salt content in blood is about ...
The function of the structure labelled l is to ...
The conservation of natural resources can be achieved by the following except ...
In blood transfusion, agglutination occurs when ...
The following insects undergo incomplete metamorphosis except ...
In the diagram, the male sex cells are contained in the part labelled ...
Plants synthesize protein from ...