In this task, you are given a question and answer options for that question. Using this information, you have to classify each text into different topics: medicine, nursery, psychology, chemistry, pharmacology, biology.

Question: Which of the following statements is true with respect to the alkaloid morphine ?: 
 Options:  <0> It is an isoquinoline alkaloid extracted from straw of Papaver somniferum. <1> It is a benzylisoquinol alkaloid extracted from latex of Papaver somniferum. <2> It is a tracheal alkaloid extracted from leaves of Papaver somniferum. <3> It is a quinolizidine alkaloid extracted from capsules of Papaver somniferum. <4> It is a pyrrolidinic alkaloid extracted from roots of Papaver somniferum.
pharmacology

Question: The anatomical dead space: 
 Options:  <0> It is always greater than the physiological one. <1> Secret surfactants. <2> Includes medium-sized bronchioles. <3> It allows gaseous exchange. <4> Includes the volume of inspiratory reserve.
biology

Question: Experimental factorial designs or also called complex experimental designs: 
 Options:  <0> They study the effect of an independent variable on several dependent variables. <1> They study the main effects of several independent variables and their possible joint effect or interaction. <2> They are inadequate if it is suspected that some of the study variables may have interaction effects. <3> They can dispense with experimental control techniques because of their complexity. <4> They are based on the application of all experimental conditions to the same group of participants.

psychology