Written by students who passed Immediately available after payment Read online or as PDF Wrong document? Swap it for free 4.6 TrustPilot
logo-home
Document preview thumbnail
Preview 4 out of 40 pages
Exam (elaborations)

AQA GCSE BIOLOGY QUESTION PAPER 1-G-8461-1H-MAY2023-Higher Tier

Document preview thumbnail
Preview 4 out of 40 pages

0 1 A root is a plant organ. Plant roots contain many different types of tissue. 0 1 . 1 What is a tissue? [1 mark] 0 1 . 2 Tissue in the tip of a plant root contains stem cells. Stem cells can differentiate into any type of cell. Name the type of tissue in plants that contains stem cells. [1 mark] In the past many drugs were extracted from plants. 0 1 . 3 Aspirin is a painkiller. Which plant does aspirin originate from? [1 mark] Question 1 continues on the next page 4 *04* IB/M/Jun23/8461/1H Do not write outside the box Scientists have extracted chemical A from the deadly nightshade plant. Chemical A can be used as a painkiller. Table 1 shows information about where chemical A is found. Table 1 Part of deadly nightshade plant Mass of chemical A in 100 g of plant tissue in grams Roots 1.3 Leaves 1.2 Berries 0.7 0 1 . 4 The scientists usually extract chemical A from the berries of the deadly nightshade plant. Suggest one reason why berries are used instead of leaves or roots. [1 mark] 5 *05* Turn over ► IB/M/Jun23/8461/1H Do not write outside the A deadly nightshade plant has chlorosis (yellow leaves). box The mass of chemical A found in the leaves of the plant is 60% of the mass shown in Table 1. 0 1 . 5 Calculate the mass of chemical A in 200 g of the leaves with chlorosis. Give your answer in mg. [4 marks] Mass of chemical A = mg 0 1 . 6 Suggest one reason why the leaves of the deadly nightshade plant have chlorosis. [1 mark] Question 1 continues on the next page 6 *06* IB/M/Jun23/8461/1H Do not write outside the Chemical A has not been tested in large box -scale clinical trials in the UK. 0 1 . 7 It is important for drugs to be tested in clinical trials before the drugs are approved for use by the public. Give two reasons why

Content preview

AQA
Please write clearly in block capitals.

Centre number Candidate number


Surname

Forename(s)

Candidate signature
I declare this is my own work.



GCSE
BIOLOGY
Higher Tier Paper 1H
H
Tuesday 16 May 2023 Morning Time allowed: 1 hour 45 minutes
Materials
For Examiner’s Use
For this paper you must have:
• a ruler Question Mark
• a scientific calculator.
1

Instructions 2
• Use black ink or black ball-point pen. 3
• Pencil should only be used for drawing. 4
• Fill in the boxes at the top of this page.
5
• Answer all questions in the spaces provided.
• If you need extra space for your answer(s), use the lined pages at the end of 6
this book. Write the question number against your answer(s). TOTAL
• Do all rough work in this book. Cross through any work you do not want
to be marked.
• In all calculations, show clearly how you work out your answer.

Information
• The maximum mark for this paper is 100.
• The marks for questions are shown in brackets.
• You are expected to use a calculator where appropriate.
• You are reminded of the need for good English and clear presentation
in your answers.




*jun2384611H01*
IB/M/Jun23/E25 8461/1H

, 2
Do not write
outside the
There are no questions printed on this page box




DO NOT WRITE ON THIS PAGE
ANSWER IN THE SPACES PROVIDED




*02*
IB/M/Jun23/8461/1H

, 3
Do not write
outside the
Answer all questions in the spaces provided. box




0 1 A root is a plant organ.

Plant roots contain many different types of tissue.



0 1 . 1 What is a tissue?
[1 mark]




0 1 . 2 Tissue in the tip of a plant root contains stem cells.

Stem cells can differentiate into any type of cell.


Name the type of tissue in plants that contains stem cells.
[1 mark]




In the past many drugs were extracted from plants.



0 1 . 3 Aspirin is a painkiller.

Which plant does aspirin originate from?
[1 mark]




Question 1 continues on the next page




Turn over ►


*03*
IB/M/Jun23/8461/1H

, 4
Do not write
outside the
Scientists have extracted chemical A from the deadly nightshade plant. box



Chemical A can be used as a painkiller.

Table 1 shows information about where chemical A is found.


Table 1



Part of deadly Mass of chemical A in 100 g of
nightshade plant plant tissue in grams

Roots 1.3

Leaves 1.2

Berries 0.7




0 1 . 4 The scientists usually extract chemical A from the berries of the deadly
nightshade plant.

Suggest one reason why berries are used instead of leaves or roots.
[1 mark]




*04*
IB/M/Jun23/8461/1H

Document information

Uploaded on
August 14, 2023
Number of pages
40
Written in
2023/2024
Type
Exam (elaborations)
Contains
Only questions
$15.99

Wrong document? Swap it for free Within 14 days of purchase and before downloading, you can choose a different document. You can simply spend the amount again.
Written by students who passed
Immediately available after payment
Read online or as PDF

Seller avatar
Reputation scores are based on the amount of documents a seller has sold for a fee and the reviews they have received for those documents. There are three levels: Bronze, Silver and Gold. The better the reputation, the more your can rely on the quality of the sellers work.
Sold
40
Followers
24
Items
455
Last sold
1 month ago


Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their tests and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can instantly pick a different document that better fits what you're looking for.

Pay as you like, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Working on your references?

Create accurate citations in APA, MLA and Harvard with our free citation generator.

Working on your references?

Frequently asked questions