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Form 3 Biology Paper 3 End of Term 2 Exams 2021

Class: Form 3

Subject: Biology

Level: High School

Exam Category: Form 4 End Term 2 Exams

Document Type: Pdf

Views: 861 Downloads: 3

Exam Summary

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BIOLOGY
PAPER 3 (PRACTICAL)
TERM 2 YEAR 2021

1. a) 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 determine the food substance(s) in M and N (10 marks)

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.

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

(b) On the diagram, label any three parts of section Y. (3 marks)

(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

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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