100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
Previously searched by you
2024 OXFORD CAMBRIDGE AND RSA GCSE (9–1) Combined Science A (Gateway Science) J250/01 Biology (Foundation Tier) QUESTION PAPER AND MARKING SHEME MERGED$7.79
Add to cart
INSTRUCTIONS
• Use black ink. You can use an HB pencil, but only for graphs and diagrams.
• Write your answer to each question in the space provided. If you need extra space use the lined
pages at the end of this booklet. The question numbers must be clearly shown.
• Answer all the questions.
• Where appropriate, your answer should be supported with working. Marks might begiven
for using a correct method, even if your answer is wrong.
INFORMATION
• The total mark for this paper is 60.
• The marks for each question are shown in brackets [ ].
• Quality of extended response will be assessed in questions marked with an asterisk (*).
• This document has 20 pages.
ADVICE
• Read each question carefully before you start your answer.
OCR is an exempt Charity
Turn over
, 2
Section A
You should spend a maximum of 20 minutes on this section.Write your
answer to each question in the box provided.
1 A student prepares a microscope slide to view colourless plant cells.
Which type of substance is used to colour the cells?
A Acid
B Hormone
C Lipid
D Stain
Your answer [1]
2 The total magnification of an image viewed using a light microscope is calculated using a
formula.
What is the correct formula for total magnification?
A Total magnification = eyepiece lens magnification × objective lens magnification B
Total magnification = eyepiece lens magnification – objective lens magnification C Total
magnification = eyepiece lens magnification + objective lens magnification D Total
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 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 these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller DistinctionGuruHuan1. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.79. You're not tied to anything after your purchase.
