Exam (elaborations)
BLG1603 Assessment 3 2023 (PORTFOLIO)
- Course
- Biology Practical
- Institution
- University Of South Africa
BLG1603 Assessment 3 2023 (PORTFOLIO) 100% TRUSTED workings with detailed Answers for A+ Grade.
[Show more]
Content preview
BLG1603ASSIGNMENT 3 PORTFOLIO 2023
, BLG1603
BIOLOGY VIRTUAL PRACTICAL
PORTFOLIO (Assessment 3) 2023
OCTOBER/ NOVEMBER 2023
Due Date: Friday, 15 September 2023, 11:00 PM
Unique number: 313615
INSTRUCTIONS
Answer all the questions for the portfolio (assessment 03).
Submit your assignment online via myModules.
Submit a pdf file (one file).
No downloaded drawings that have been directly copied from the sources are allowed.
Draw yourself the diagrams.
SECTION A:
Question 1
Microscopy
Question 1
1. Total magnification is the product of two values: power of eyepiece and power of?
A. Diaphragm
B. Ocular lens
C. Objective lens
D. Illumination
2. The two knobs used for focusing the image include fine adjustment knob and?
A. Stage
B. Course adjustment knob
C. Diaphragm
D. Objective lens
3. Which of the following are low power lenses? Give one.
A. 4X
B. 10X
C. 40X
D. 100X
1
, 4. A microscope is set to 10x eyepiece and 100x objective. What is the total
magnification?
A. 100x
B. 110x
C. 1000x
D. 1010x
5. Which part of the microscope should you hold when lifting or moving the
microscope?
A. Objectives
B. Arm and base
C. Eyepiece and body tube
D. The base and stage
[1 x 5 =5]
Question 2
Draw a labelled diagram of a compound microscope. [15]
Question 3
Laboratory Safety Guide and Waste management in the labs
3.1 Write explanatory notes on the use of PPE in the labs and give at least two
specific examples. (6)
3.2 Give at least 2 examples of principle of was management in the labs. (4)
[10]
Question 4
Plant Structure
4.1 What are the functions of stems?
____________________________________________________________________
__________
____________________________________________________________________
__________ (4)
4.2. What are the functions of leaves?
____________________________________________________________________
__________
____________________________________________________________________
(4)
2
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through EFT, credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller StudyStore. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for R50,54. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
70055 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy summaries for 14 years now