PART I

ANSWER ALL THE QUESTIONS

1 (a)Specimens a A, B and C are different liquids of food materials. Cary out the Following tests to identify the food Contents Of Specimens A, B and C.

Wash the test-tubes after each use to avoid contaminating the next sample.

Record your tests and observations shown in the table below

TESTS	OBSERVATIONS	INFERENCE

(i) To a small portion of a specimen A, add four drops of reagents F, Shake the mixture and heat gently for a few minutes. Record your observations and inference. 

(ii) To a small portion of a specimen A, add three drops of reagent D, shake the mixture and heat gently for a few minutes. Allow the mixture to cool. Record your observations and inference.

(ii) To a small portion of a specimen A, add three drops of reagent H, shake the mixture and heat gently for a few minutes. Allow the mixture to cool. Record your observations and inference.Leave this mixture in the test tube.

(iv) To the resulting mixture in (ii) above, add three drops of reagent E, shake the mixture and heat gently for a few minutes. Allow the mixture to cool. Record your observations and inference.

(v) To a small portion of specimen B, add three drops of reagents G, Shake the mixture. Record your observations and inference.  

(vi) Take a strip of the litmus paper provided, dip the tip of the  paper into Specimen C, Record your observations and inference of the reaction on the litmus paper.

 (b)(i) Give one example each of the food contents identified  in specimens A and B (ii) State two uses each, of the food contents identified in specimens A, B and C to man. 

(c) Name the primary source of the food contents identified in specimens A and B and a natural source of specimen C.

2. (a) (i) State three observable I and J without reasons.(ii) Name the habitats of specimens I and J (b) State three observable structural adaptations for movement possessed by specimen J (c)(i) Name one respiratory organs of specimen l and J three respiratory organs of specimen J. (ii) State four common features of the respiratory organs of specimens I and J(d) Cut off one of the opercula of specimens I with the scalpel or small knife to expose the respiratory organ. Make a labeled drawing about 8 cm to 10cm long of the head region up to the end of the pectoral fin only to show its structures.

                                                                                                      PART II

ANSWER ALL THE QUESTIONS

3. (a) Observing specimen K, copy and complete the table below

Specimen	Floral Parts	Number of Colored Parts	Free or Fused  or united	Essential or Non-essential
K	Sepals/calyx Petals/corolla Stamens Stigma

b. Cut Specimen K longitudinally into iwo halves. Observe the halved specimen K and use it to answer Questions (b) (i) - (iv) . (i) What is the symmetry of specimen K (ii) Classify Specimen K in relation to its reproductive structures.  structures. (iii) Name tne type of placentation specimen K (iv) What type of ovary does specimen K have?

c. Detach the sepals and petals of the longitudinal section of the Specimen and make a labeled diagram of 10cm to 12cm long to illustrate the features of the remaining part of specimen k

d. Name the agent of pollination of specimen K . (ii) Give one example of the agent of pollination of specimen K  (iii) State four adaptive features of specimen K that attracts the agent you have mentioned.