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As Biology Essay Questions

Step-by-Step Biology Learning

Based on theory of knowledge and brain science, Biology Q&As was specifically designed, written and organized to make learning biology easier. More than 1800 bite-sized Q&As, covering all of the primary branches and subjects in biology, are available to make studying biology as easy for you as possible.

By following  the logical sequence of questions for each subject, from basic concepts to more advanced ones, you will learn more than ever. Discover how to build your knowledge of biology step by step, through intelligent sequences of Q&As.

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More Subjects

Biochemistry

135 logically organized Q&As, starting with the basic concepts and moving on to water properties and mineral salts, carbohydrates, lipids, proteins, enzymes, and nucleic acids.


Cell Biology

Review cell biology through 204 Q&As designed to make learning biology’s main subjects, such as cell structure, cell division, photosynthesis, and protein synthesis, easier.


Microbiology

Familiarize yourself with bacteria, protists, viruses, and fungi with 59 Q&As spanning the basic concepts to more advanced ones.


Zoology

242 Q&As can be found here covering the main phyla: poriferans, cnidarians, flatworms, roundworms, annelids, arthropods, molluscs, echinoderms, and chordates. 


Physiology

Discover how easy it is to study and understand everything about physiology by using these logical sequences of 506 Q&As.


Embryology

Learn everything you need to know at the high school level about embryonic development and extraembryonic membranes through just 40 Q&As.


Botany

From plant classification to plant physiology, we cover the main subjects of botany with 141 Q&As written by biology teachers.


Genetics

These 139 Q&As are tailored to help you review fundamental concepts as well as Mendel's laws, non-Mendelian inheritance, linkage, and more.


Evolution

Discover known facts and hypotheses on the origin of life and the theory of evolution by reviewing these 50 Q&As.


Ecology

Imagine learning ecology through just 140 Q&As structured to teach you about ecosystems, biomes, food chains, biodiversity, ecological interactions, ecological succession, population, and environmental issues.


Diseases

Do you know the difference between atherosclerosis and arteriosclerosis? You will, plus so much more on common diseases, when you review these 131 Q&As.


Home > A-Level > Biology

A-Level Biology


Question: Give an account of how poor diet and obesity can increase the chance of a person
developing coronary heart disease (CHD).

As biology, A grade, 38/40

Answer: Malnutrition is not limited to 3rd world countries, anyone who has a...


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Question: The Effects of Exercise on the Blood Pressure and Heart Rate of Smokers and Non-Smokers

Answer: Aim: I am going to investigate how aerobic exercise affects the heart...


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Question: Maintaining cultures of pathogenic micro organisms in public health laboratories is a risk worth taking. Do you agree or disagree?

Answer: The process of maintaining pathogenic cultures has conjured up a variety of...


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Question: How did the human species evolve?

Answer: The most logical and widely accepted scientific theory on human evolution today...


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Question: The importance of water to biological systems.

Answer: Water is essential to life itself, with out water life on earth...


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Question: What functions do the Kidney’s carry out?

Answer: The kidneys are central to homeostatic regulation. They excrete soluble waste, help...


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Question: The Effect of pH on the Rate of Catalase

Answer: Catalase is an enzyme. All enzymes are proteins, made up of a...


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Question: Give an account of the ways in which molecules and ions move into and out of cells.

Answer: One way molecules and ions move into a out of cells is...


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Question: Protein Haemoglobin

Answer: Haemoglobin is a water soluble globular protein that is similar to other...


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Question: The Central Dogma of Molecular Biology

Answer: DNA central dogma illustrates the flow of genetic information of “DNA to...


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  • Subject: Biology
  • Course: Biology
  • Level: A-Level
  • Year: 1st
  • Mark: 94%
  • Words: 1764
  • Date submitted: April 11, 2013
  • Date written: March, 2010
  • References: No
  • Document type: Essay*
  • Essay ID: 4653
  • Subject: Biology
  • Course: Biology
  • Level: A-Level
  • Year: Not applicable
  • Mark: 66%
  • Words: 2169
  • Date submitted: March 16, 2009
  • Date written: Not available
  • References: Yes
  • Document type: Essay*
  • Essay ID: 999
  • Subject: Biology
  • Course: Biology
  • Level: A-Level
  • Year: Not applicable
  • Mark: 63%
  • Words: 797
  • Date submitted: March 13, 2009
  • Date written: Not available
  • References: Yes
  • Document type: Essay*
  • Essay ID: 987
  • Subject: Biology
  • Course: Biology
  • Level: A-Level
  • Year: Not applicable
  • Mark: 61%
  • Words: 3122
  • Date submitted: March 16, 2009
  • Date written: Not available
  • References: Yes
  • Document type: Essay*
  • Essay ID: 1001
  • Subject: Biology
  • Course: Biology
  • Level: A-Level
  • Year: Not applicable
  • Mark: 60%
  • Words: 1400
  • Date submitted: March 16, 2009
  • Date written: Not available
  • References: No
  • Document type: Essay*
  • Essay ID: 1005
  • Subject: Biology
  • Course: Biology
  • Level: A-Level
  • Year: Not applicable
  • Mark: 60%
  • Words: 1161
  • Date submitted: March 16, 2009
  • Date written: Not available
  • References: No
  • Document type: Essay*
  • Essay ID: 1002
  • Subject: Biology
  • Course: Biology
  • Level: A-Level
  • Year: Not applicable
  • Mark: 60%
  • Words: 1407
  • Date submitted: March 16, 2009
  • Date written: Not available
  • References: Yes
  • Document type: Essay*
  • Essay ID: 998
  • Subject: Biology
  • Course: Biology
  • Level: A-Level
  • Year: Not applicable
  • Mark: Not available
  • Words: 702
  • Date submitted: November 27, 2017
  • Date written: Not available
  • References: No
  • Document type: Essay*
  • Essay ID: 8194
  • Subject: Biology
  • Course: Biology
  • Level: A-Level
  • Year: Not applicable
  • Mark: Not available
  • Words: 725
  • Date submitted: February 26, 2016
  • Date written: January, 2015
  • References: No
  • Document type: Essay*
  • Essay ID: 7149
  • Subject: Biology
  • Course: Biology
  • Level: A-Level
  • Year: Not applicable
  • Mark: Not available
  • Words: 1996
  • Date submitted: February 26, 2016
  • Date written: January, 2015
  • References: Yes
  • Document type: Essay*
  • Essay ID: 7148

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