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AS-Level Biology Practice Questions - AS-Level Biology (AQA 7401 Edexcel 8BN0 OCR H020) Exam

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About this Exam

Prepare with the AS-Level Biology Practice Questions - AS-Level Biology (AQA 7401 Edexcel 8BN0 OCR H020) Exam practice quiz. This question bank includes 100 questions covering because, cell, small, proteins, and haemoglobin. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

Sample Questions

Question 1
Which monomer joins by glycosidic bonds to form starch and glycogen?
Alpha glucose
Beta glucose
Fructose
Galactose
Question 2
Which feature of cellulose makes it ideal as a structural component of plant cell walls?
Beta glucose chains form straight microfibrils with many hydrogen bonds
It contains 1,6 branches that increase rigidity
It is a coiled alpha helix that resists stretching
It is hydrophobic and waterproof
Question 3
Triglycerides form when glycerol reacts with three fatty acids. Which bond is produced and what small molecule is released for each bond?
Ester bond; water
Glycosidic bond; water
Peptide bond; carbon dioxide
Phosphodiester bond; water
Question 4
Why are phospholipids able to form a bilayer in cell membranes?
They have a hydrophilic phosphate head and two hydrophobic fatty acid tails
They are completely hydrophilic so they dissolve in water
They are completely hydrophobic so they float on water
They contain ester linkages that lock them in place
Question 5
How many different amino acids commonly appear in proteins, and which bond joins them?
20; peptide bond
20; glycosidic bond
64; peptide bond
12; ester bond

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Additional Information

AS-Level Biology Practice Questions - AS-Level Biology (AQA 7401 Edexcel 8BN0 OCR H020) Exam

This practice set contains 100 questions from the matching question bank and focuses on because, cell, small, proteins, and haemoglobin. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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Frequently Asked Questions

This quiz contains a total of 100 practice questions carefully selected to test your knowledge on this subject.
Yes, you will have exactly 0 minutes to complete the exam. A countdown timer will be visible once you start.
Yes, you can retake this practice test as many times as you need. The questions and options may be randomized on subsequent attempts to ensure comprehensive learning.

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