BIOLOGY
JAMB 2013 - Question 19
Biology 2013 JAMB Past Questions - Question 19: Plants that have special devices for trapping and digesting insects are
Choose the most appropriate option for the gap .
A:
B:
C:
D:
Correct Answer
D
Explanation
Theyare called carnivorous plants eg. sundew, pitcher; pla, it, venus fly trap andbladder wort ^plants. Parasitic plants have sucking tube called haustoria withwhich they suck the manufactured food in the phloem of the host plant e.gDodder plant or cassthya filiformis and mistletoe plants. Saprophytic plantsfeed on dead organic matter. They secrete enzymes through their rhizoids whichdigest the food before they absorb it (extra cellular digestion) e.g.. rhizopus. Symbiotic plants are plants thathave mutual benefits eg. lichen (anassociation between an alga and a fungus).

