Biology Questions and Answers - Form 1 Mid Term 1 Exams 2021

BIOLOGY
FORM 1
MID TERM
TERM 1

INSTRUCTIONS

• Answer all the questions

1. Define the term Biology. (1mk)
2. State and define the three branches of biology. (6mks)
3. Outline four ways in which study of biology is applied. (4mks)
4. List six characteristics of living things (6mks)
5. The table below shows common apparatus used to collect and observe specimen. Complete the table appropriately. (8mks)
   

   DIAGRAM	NAME	USE

6. Outline the precautions that should be taken during collection and observation of specimen.
7. Explain how nutrition is different between plants and animals . (2mks)

MARKING SCHEME

1. Define the term Biology. (1mk)
   • Study of living things
   • Branches of science which deals with the study of living things.
2. State and define the three branches of biology. (6mks)
   • Botany- (Branch of biology) which deals with study of plants
   • Zoology- (branch of biology) which deals with study of animals.
   • Micro biology – (branch of biology) which deals with study of micro-organism.
3. Outline four ways in which study of biology is applied. (4mks)
   • Pursue careers of medicine agriculture dentistry, public health
   • Enhances international cooperation in areas like medicine, environmental conservation etc.
   • Enhances understanding of human body developmental stages
   • Imparts scientific skills. E.g. drawing, recording analyzing.
   • Solving Environmental problems e.g pollution drought.
4. List six characteristics of living things (6mks)
   • They grow and develop
   • They have nutrition/they utilize nutrients
   • They respire
   • They have gaseous exchange
   • They reproduce
   • They are irritable/respond to stimulus
   • They excrete
   • The move
5. The table below shows common apparatus used to collect and observe specimen. Complete the table appropriately. (8mks)
   

   DIAGRAM	NAME	USE
   	A hand lens	Enlarge objects under observation
   	A pit fall trap	Catching crawling animals
   	A pooter	Such small animals from surfaces eg barks of trees
   	A pair of forceps	Picking up small injurious specimen eg stinging nettle, spideus bees

   
   
   
6. Outline the precautions that should be taken during collection and observation of specimen.
   • immobilize highly mobile specimen
   • Handle with care all ingenious or dangerous specimens like bees.
   • return live specimen to their labitate (to maintain ecological balance)
   • Do not harm specimen during collection to avoid disturbance of parts)
   • Collect only the number needed to avoid wastage.
7. Explain how nutrition is different between plants and animals . (2mks)
   • Animals feed in ready-made food. plants make then own food from water, carbon iv oxide and sunlight