K.C.S.E Biology Q & A - MODEL 2018PP2QN05

K.C.S.E Biology Q & A - MODEL 2018PP2QN05

The photograph below represents a plant in a Certain Division

​(a) (i) Name the Division to which the plant belongs. 
(ii) With reference to the Photograph, state three observable features of the Division named in a(i) above. 
(b) Name the part labelled N and P.
N
P
(c) Explain how the part labelled Q is adapted to its function 

answers

​a) i. Bryophyta;
ii. Has capsules (for enclosing spores);
Has (long) setae (for supporting the capsules/for effective propagation of spores); (Developed) rhizoids (for anchorage/absorption of water/mineral salts);
 Thalloid in nature/Thallus/undifferentiated;
b) N — Capsule;
     P—Seta;
(c)Numerous/hair-like to increase the surface area for absorption;/to enhance rate of absorption of water/nutrients/dissolved mineral salts;
Numerous/hair-like to hold firmly on the surface/not to be easily blown away/displaced/anchorage;