AQA > AQA QUESTION and MARK SCHEMES > AQA A-Level Biology Paper 1 final question paper and mark scheme Predicted Paper 2023 (All)
AQA A-Level Biology Paper 1 final question paper and mark scheme Predicted Paper 2023
Document Content and Description Below
AQA A-Level Biology Paper 1 Predicted Paper 2023 Name …………………………………………………………………… Date ………………… 2 hours allowed. You may u ... se a scientific calculator and a ruler with millimetre measurements. Grade boundaries These are VERY rough guesses! Getting a B on this paper does not guarantee you the same mark in the exam. • A* 65% • A 55% • B 45% • C 40% • D 35% • E 30% 01 To look for the presence of starch in potatoes, a student decided to observe potato cells under a microscope. The image below shows starch grains present in potato cells viewed at a magnification of x400. a) Describe how the student could have prepared the sample to view under the microscope. [2 marks] b) Describe how the student identified that these grains contained starch. [2 marks] c) Calculate the actual length in µm of the starch grain between points A and B. [2 marks] Actual length = [Show More]
Last updated: 2 years ago
Preview 1 out of 20 pages
Buy this document to get the full access instantly
Instant Download Access after purchase
Buy NowInstant download
We Accept:
Reviews( 0 )
$21.00
Can't find what you want? Try our AI powered Search
Document information
Connected school, study & course
About the document
Uploaded On
Jun 08, 2023
Number of pages
20
Written in
All
Additional information
This document has been written for:
Uploaded
Jun 08, 2023
Downloads
0
Views
275
