NOTE: - For the procedure, observation and conclusion to be correct, the food substance must be correct

. - A ward marks for procedure, observation and conclusion only.

- Formulae of 4 3,, CuSO NaHCOHCl should be correct if used.

- A ward for Benedict’s solution and heating once under reducing sugars and give equivalent if they are correct under no-reducing sugars.

NOTE: - Function is tied to the food nutrients. -

(b) is tied to (a)

(a) X - Vein; Reason:

-Has thin/thinner/less muscular;

-Has wide/wider lumen; Y- Artery Reason:

-Has thick/thicker/more muscular wall;

-Has narrow /narrower lumen; (4marks) Any 1st one Reason is tied to the identity.

(b) X-Carries/transport deoxygenated blood from body tissues;

Y-Carries/transports oxygenated blood to body tissues; (2marks)

(c) Y-Thick muscular walls to withstand high pressure of blood; -

Narrow lumen which increases pressure of the blood for ultrafiltration; (2marks)

(d) X-Varicose veins; Y-Arteriosclerosis; rej wrong spellings

(a) (i) Fruit; (1mark) Rej plural fruits but acc correct reason

(ii) Has/presence of two scars/points of attachment of receptacle and of style; (1mark)

(iii) Has pericarp/fruit wall; Any 1st one.

Note: Drawing marks

D1 Continuous outline.

D2 Endocarp drawn with seeds/locoli and juice sacs shown.

D3Central placenta enclosed in a ring.

Rej: if epicarp is single line

(b) cm

(iii) Axial/Axile/central; (1mark)

(c) (i) Animal dispersal; acc animals

(ii) -Brightly coloured to attract animals/agents of dispersal;

-Scented to attract animals;

-Seeds have hard/slimy/slippery coat to prevent digestion;

-Succulent/juicy to attract animals; (ii) tied to (i)