You undertook a first-hand investigation to examine plant shoots and leaves for evidence of pathogens and insect pests - HSC - SSCE Biology - Question 26 - 2004 - Paper 1
Question 26
You undertook a first-hand investigation to examine plant shoots and leaves for evidence of pathogens and insect pests.
Using the information you gathered, complete ... show full transcript
Worked Solution & Example Answer:You undertook a first-hand investigation to examine plant shoots and leaves for evidence of pathogens and insect pests - HSC - SSCE Biology - Question 26 - 2004 - Paper 1
Step 1
Evidence of pathogen
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Answer
Common evidence of a pathogen in plant shoots or leaves includes visible signs of disease, such as discolored spots or areas of wilting, which may indicate the presence of fungi, bacteria, or viruses.
Step 2
Evidence of insect pest
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Answer
Evidence of insect pests may include chewed leaves, visible insects on the surface, or the presence of honeydew or webbing, which are signs of insect infestations.
Step 3
Equipment or procedure used for observation
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Answer
A hand lens or magnifying glass can be used for close examination of the plant parts to observe the details of the pathogens and pest evidence.