GRADE 8 NATURAL SCIENCE (BIOLOGY) NOVEMBER – FINAL EXAMINATION QUETION PAPER AND MEMORANDUM

100 MARKS. WITH MEMORANDUM, READY TO USE

SECTION A

QUESTION 1

1.1  Choose the best statement for each answer given below from 1.1.1 to 1.1.10. E.g 1.1.11 D

1.1.1    Which one of the following is NOT correct about food webs?

A Shows all feeding relationships in the ecosystem

B Shows one way of feeding relationships

C made up of interconnected food chains

D Producers, consumers and decomposers may be present

SECTION B

QUESTION 2

2.1 Study the given characteristics about THREE types of microorganisms and answer the questions

MICROORGANISM A: Does not have nucleus

                                     Has ribosome

                                     Used to produce insulin injections

MICROORGANISM B:  contains nucleus and organelles

                                      May cause Malaria in humans

                                      Some are plant and some are animal – like

MICROORGANISM C:   Does not have cell membrane, nucleus and cytoplasm

                                      Made up of nucleic acid and protein coat

                                      May cause Covid and some other diseases

2.1.1 Name the microorganisms A, B and C (3) 

2.1.2 Which one cause TB? (1)

2.1.3 Which one cause Flu? (1)

2.1.4 Which one is NOT classified into any kingdom? (1)

3.3 Read the passage and answer the questions that follow

3.3.1 Write down the name of the organisms that manufacture their own food (1)