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Form 3 Biology Paper 3 End of Term 3 Exams 2021

Class: Form 3

Subject: Biology

Level: High School

Exam Category: Form 3 End Term 3 Exams

Document Type: Pdf

    

Views: 792     Downloads: 19

Exam Summary


BIOLOGY PAPER 3 (With Confidential)

Answer ALL the questions in the spaces provided in the question paper

1a) You are provided with substances labeled M, N, V, U and X and a filter paper M and N are food substances, while V is Benedict’s solution, U is 10% Sodium Hydroxide solution and X is 1% Copper Sulphate solution. Using the reagents provided, carry out tests to determine the food substance(s) in M and N (10 marks)

bio1.PNG

a)State the functions of the food substances found in both M and N (4marks)



2 Below are sections of a dicotyledonous plant organs labeled X and Y
bio2.PNG

(a) Give three observable differences between the sections (3 marks)



(b) On the diagram, label any three parts of section Y (3 marks)
bi03.PNG
(c) Identify and state the functions of the parts labeled A and B (4 marks)
A

Function


B

Function


(d) How would section X compare with that of a monocotyledonous plant? (3 marks)



3 Study the diagrams of fruits below
bi03.PNG

a) Name the type of fruit shown by P (1mks)


b) State the type of dispersion used by fruit M, K and N Give adaptation for each of them (6mks)



c) Draw a well labeled diagram of diagram L (5mks)


d) State the type of placentation shown by diagram Q (1mk)


 

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