FREE
GRE Subject Test: Biology Practice Tests

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Free GRE Subject Test: Biology Diagnostic Tests

Take the Varsity Learning Tools free diagnostic test for GRE Subject Test: Biology to determine which academic concepts you understand and which ones require your ongoing attention. Each GRE Subject Test: Biology problem is tagged down to the core, underlying concept that is being tested. The GRE Subject Test: Biology diagnostic test results highlight how you performed on each area of the test. You can then utilize the results to create a personalized study plan that is based on your particular area of need.

GRE Subject Test: Biology Diagnostic Test 1

Questions: 40
Test Difficulty:
Average Time Spent: 19 mins

GRE Subject Test: Biology Diagnostic Test 2

Questions: 190
Test Difficulty:
Average Time Spent: 11 hrs 37 mins

Are you planning to pursue graduate work in Biology? If you’re thinking of applying to master’s or PhD programs in Biology or closely-related fields, you may be required to take the GRE Subject Test in Biology as part of your graduate school applications. Because this exam is intended to measure the skills you have gained in your specific field during the entirety of your undergraduate education, the exam tests many topics in great detail and can appear extremely daunting at first glance; however, after seeing the topics it treats laid out and learning about some great resources you can use to study, you can formulate a reasonable plan of study for the GRE Subject Test in Biology that will allow you to treat every specific topic that can appear on the test in detail while feeling like it is completely manageable.

Let’s start with microscopic biological topics and work our way up to macroscopic concepts. One of the major areas covered on the GRE Subject Test in Biology is Genetics, DNA, and Molecular Biology. Expect DNA replication and repair to be covered in detail, as well as chromatin, karyotypes and chromosomes, introns and exons, operons and promoters, transcription factors, the processes of transcription and translation, mRNA and protein modifications, and genetic patterns. Don’t be surprised if you encounter questions about genetic regulation, including epigenetics and oncogenes.

Working our way up in scale, the GRE Subject Test in Biology also covers Cell Biology in great detail. Before taking the test, you should be familiar with the different types of macromolecules, such as nucleic acids, carbohydrates, lipids, and proteins. You should also have covered and reviewed cell metabolism in detail, including photosynthesis, glycolysis, the Krebs cycle, fermentation, and the storage of macromolecules. Other Cell Biology topics covered on the GRE Subject Test in Biology include the cell cycle and its regulation, and the cell membrane and organelles. You should be familiar with not only the function, but also the structure of cell organelles.

Again moving up in scale, the GRE Subject Test in Biology also expects test takers to be familiar with both plant biology and animal biology. When reviewing plant biology, focus on plant reproductive hormones and structures, plant development, microstructures and macrostructures, plant nutrition and hydration, as well as plant metabolism and photosynthesis. When studying animal biology, emphasize animal development, as well as the various biological systems found in animals: respiratory, musculoskeletal, digestive, circulatory, nervous, endocrine, and reproductive. Also give due diligence to reviewing immunobiological processes and cells, as well as antibodies and antigens.

Not only does the GRE Subject Test in Biology test your knowledge of animals’ bodily systems, but it also tests your knowledge of the way in which animals develop in great numbers over long periods of time by asking about evolution and mutations. When taking the GRE Subject Test in Biology, you should feel confident in answering questions about evolutionary history; speciation, including different types of speciation, different types of evolution, and phylogenetics; evolutionary factors like Hardy-Weinberg Equilibrium, genetic drift, natural selection and fitness; and mutations and variability, including different types of mutation and polymorphisms.

At the largest scale, the GRE Subject Test in Biology tests your knowledge of ecology, asking questions about organismal ecology, such as habitats, niches, mating and social interactions, food webs, and food chains. You should be familiar with population ecology, community ecology, and trophic ecology, as well as environmental ecology, which covers chemical cycles and environmental impacts. Also be well-versed in the different divisions of life and viruses: animalia, plantae, fungi, protista, bacteria, archaea, and viruses.

Finally, outside of the scale progression, the GRE Subject Test in Biology also tests your knowledge of lab techniques. Questions might concern microscopy (light microscopy or electron microscopy), chromatography (column chromatography or thin-layer chromatography, commonly abbreviated to “TLC”), electrophoresis and blots (Western blots, PAGE and SDS-PAGE) genetic manipulation (knockouts, RNAi, and recombinant DNA), DNA analysis (restriction endonucleases and RFLPs, DNA sequencing, cloning, and PCR), immunochemistry (immunological strains and FACS) and other lab techniques used for separation and identification.

Laid out all at once, all of this information may appear extremely imposing, and you may feel as if you can never keep it all fresh in mind at once; however, there’s no reason to feel nervous, though this is a normal reaction; just realize that you’ve covered all, if not the great majority, of this material before, so the process of preparing for the GRE Subject Test in Biology will be one of review, not of learning new material, and many of these concepts will seem familiar once you start looking over them one at a time. That is the trick to studying effectively for the GRE Subject Test in Biology: create a reasonable study plan that will allow you to focus on each concept as needed, without feeling as if you need to rush to be ready by your test date. Varsity Tutors’ free GRE Subject Test in Biology Practice Tests can help you figure out how best to spend your study time by helping you realize which topics you’ve mastered and which you need to spend extra time and attention reviewing. Each GRE Subject Test in Biology Practice Test consists of about twelve problems drawn from each of the biological topics enumerated above. After completing a Practice Test, you will receive detailed statistics analyzing your performance independently and in comparison to others who have answered the same problems. Each problem comes with a complete explanation, so if you miss one, you can learn from your mistake. If, after taking a number of Practice Tests, you realize that you need to review a broad topic like plant reproduction or a specific topic like PAGE-SDS, you can do this using Varsity Tutors’ free resources as well, because questions are also organized by concept.

To get a comprehensive idea of your current knowledge level, you can begin your review process by taking a free Full-Length GRE Subject Test in Biology Practice Test. The complete practice tests ask you questions spanning the entire range of topics that could be covered on the real test. The full-length format also offers a chance for you to fine-tune your testing pace to ensure you’ll have plenty of time to finish the whole test on exam day. Just as on the results pages for the concept-specific practice tests, the results for the complete practice tests offer helpful features like detailed explanations for each correct answer and additional information on key concepts. The comprehensive practice tests can also help you streamline your review plan by showing you which concepts you still need to review. Once you have done a full review using your favorite Learning Tools, you can evaluate your progress by taking another Full-Length GRE Subject Test in Biology Practice Test.

Varsity Tutors’ free GRE Subject Test in Biology resources let you study for your exam in an efficient, organized, and comprehensive manner, allowing you to channel any energy you might waste on worrying about your performance on the GRE Subject Test in Biology into productive studying efforts that will help you to do your very best on test day.

Free GRE Subject Test: Biology Practice Tests

Our completely free GRE Subject Test: Biology practice tests are the perfect way to brush up your skills. Take one of our many GRE Subject Test: Biology practice tests for a run-through of commonly asked questions. You will receive incredibly detailed scoring results at the end of your GRE Subject Test: Biology practice test to help you identify your strengths and weaknesses. Pick one of our GRE Subject Test: Biology practice tests now and begin!

Practice Tests by Concept

Animal biology practice test

Questions: 5
Test Difficulty:
Average Time Spent: 2 mins 53 secs

Animal development practice test

Questions: 2
Test Difficulty:
Average Time Spent: 24 secs

Understanding determination and differentiation practice test

Questions: 2
Test Difficulty:
Average Time Spent: 41 secs

Understanding fertilization and eary development practice test

Questions: 1
Test Difficulty:
Average Time Spent: 10 secs

Understanding organogenesis practice test

Questions: 1
Test Difficulty:
Average Time Spent: 8 secs

Circulatory system practice test

Questions: 4
Test Difficulty:
Average Time Spent: 1 mins 5 secs

Understanding circulatory functions practice test

Questions: 3
Test Difficulty:
Average Time Spent: 30 secs

Understanding circulatory structures practice test

Questions: 1
Test Difficulty:
Average Time Spent: 8 secs

Digestive system practice test

Questions: 1
Test Difficulty:
Average Time Spent: 11 secs

Understanding digestive functions practice test

Questions: 1
Test Difficulty:
Average Time Spent: 7 secs

Understanding digestive structures practice test

Questions: 2
Test Difficulty:
Average Time Spent: 31 secs

Endocrine system practice test

Questions: 1
Test Difficulty:
Average Time Spent: 26 secs

Understanding glands and target organs practice test

Questions: 2
Test Difficulty:
Average Time Spent: 25 secs

Understanding hormone functions practice test

Questions: 1
Test Difficulty:
Average Time Spent: 11 secs

Immunobiology practice test

Questions: 4
Test Difficulty:
Average Time Spent: 1 mins 11 secs

Understanding antibodies and antigens practice test

Questions: 1
Test Difficulty:
Average Time Spent: 13 secs

Understanding immunological cells practice test

Questions: 2
Test Difficulty:
Average Time Spent: 31 secs

Understanding immunological processes practice test

Questions: 1
Test Difficulty:
Average Time Spent: 18 secs

Musculoskeletal system practice test

Questions: 1
Test Difficulty:
Average Time Spent: 30 secs

Understanding musculoskeletal functions practice test

Questions: 1
Test Difficulty:
Average Time Spent: 28 secs

Understanding musculoskeletal structures practice test

Questions: 4
Test Difficulty:
Average Time Spent: 57 secs

Nervous system practice test

Questions: 2
Test Difficulty:
Average Time Spent: 42 secs

Understanding action potentials and ion channels practice test

Questions: 3
Test Difficulty:
Average Time Spent: 1 mins 16 secs

Understanding nervous system functions practice test

Questions: 1
Test Difficulty:
Average Time Spent: 13 secs

Understanding nervous system structures practice test

Questions: 1
Test Difficulty:
Average Time Spent: 18 secs

Reproductive system practice test

Questions: 2
Test Difficulty:
Average Time Spent: 52 secs

Understanding gametogenesis practice test

Questions: 3
Test Difficulty:
Average Time Spent: 1 mins 5 secs

Understanding reproductive functions practice test

Questions: 1
Test Difficulty:
Average Time Spent: 12 secs

Understanding reproductive structures practice test

Questions: 1
Test Difficulty:
Average Time Spent: 9 secs

Respiratory system practice test

Questions: 18
Test Difficulty:
Average Time Spent: 7 mins

Understanding respiratory functions practice test

Questions: 7
Test Difficulty:
Average Time Spent: 2 mins 57 secs

Understanding respiratory structures practice test

Questions: 11
Test Difficulty:
Average Time Spent: 3 mins

Cell biology practice test

Questions: 2
Test Difficulty:
Average Time Spent: 1 mins 0 secs

Cell membrane and organelles practice test

Questions: 3
Test Difficulty:
Average Time Spent: 1 mins 13 secs

Cell membrane and cell wall practice test

Questions: 3
Test Difficulty:
Average Time Spent: 1 mins 43 secs

Understanding cell junctions practice test

Questions: 1
Test Difficulty:
Average Time Spent: 34 secs

Understanding membrane functions practice test

Questions: 1
Test Difficulty:
Average Time Spent: 49 secs

Understanding membrane proteins practice test

Questions: 1
Test Difficulty:
Average Time Spent: 26 secs

Understanding membrane structure practice test

Questions: 2
Test Difficulty:
Average Time Spent: 1 mins 21 secs

Understanding the cell wall practice test

Questions: 2
Test Difficulty:
Average Time Spent: 23 secs

Other organelles practice test

Questions: 3
Test Difficulty:
Average Time Spent: 44 secs

Understanding lysosomes and peroxisomes practice test

Questions: 1
Test Difficulty:
Average Time Spent: 8 secs

Understanding mitochondria and chloroplasts practice test

Questions: 2
Test Difficulty:
Average Time Spent: 41 secs

Understanding ribosomes practice test

Questions: 1
Test Difficulty:
Average Time Spent: 18 secs

Understanding the cytoskeleton practice test

Questions: 2
Test Difficulty:
Average Time Spent: 36 secs

Understanding the gogli body and endoplasmic reticulum practice test

Questions: 1
Test Difficulty:
Average Time Spent: 15 secs

Understanding the nucleus practice test

Questions: 1
Test Difficulty:
Average Time Spent: 14 secs

Cell metabolism practice test

Questions: 3
Test Difficulty:
Average Time Spent: 8 mins

Understanding fermentation practice test

Questions: 2
Test Difficulty:
Average Time Spent: 10 mins

Understanding glycolysis practice test

Questions: 2
Test Difficulty:
Average Time Spent: 21 secs

Understanding photosynthesis practice test

Questions: 1
Test Difficulty:
Average Time Spent: 22 secs

Understanding storage of macromolecules practice test

Questions: 1
Test Difficulty:
Average Time Spent: 10 secs

Understanding the electron transport chain practice test

Questions: 1
Test Difficulty:
Average Time Spent: 14 mins

Understanding the krebs cycle practice test

Questions: 1
Test Difficulty:
Average Time Spent: 19 secs

Macromolecules practice test

Questions: 2
Test Difficulty:
Average Time Spent: 53 secs

Other macromolecules practice test

Questions: 1
Test Difficulty:
Average Time Spent: 21 secs

Understanding carbohydrates practice test

Questions: 3
Test Difficulty:
Average Time Spent: 59 secs

Understanding lipids practice test

Questions: 2
Test Difficulty:
Average Time Spent: 46 secs

Understanding nucleic acids practice test

Questions: 1
Test Difficulty:
Average Time Spent: 30 secs

Proteins practice test

Questions: 1
Test Difficulty:
Average Time Spent: 32 secs

Understanding protein and enzyme function practice test

Questions: 2
Test Difficulty:
Average Time Spent: 42 secs

Understanding protein structure practice test

Questions: 1
Test Difficulty:
Average Time Spent: 54 secs

Understanding receptors practice test

Questions: 2
Test Difficulty:
Average Time Spent: 1 mins 21 secs

The cell cycle practice test

Questions: 2
Test Difficulty:
Average Time Spent: 1 mins 7 secs

Understanding cell division, mitosis, and meiosis practice test

Questions: 2
Test Difficulty:
Average Time Spent: 46 secs

Understanding cycle regulation practice test

Questions: 1
Test Difficulty:
Average Time Spent: 20 secs

Understanding the cell cycle practice test

Questions: 2
Test Difficulty:
Average Time Spent: 23 secs

Divisions of life and viruses practice test

Questions: 6
Test Difficulty:
Average Time Spent: 1 mins 38 secs

Animalia practice test

Questions: 3
Test Difficulty:
Average Time Spent: 41 secs

Identifying animals practice test

Questions: 2
Test Difficulty:
Average Time Spent: 19 secs

Understanding types of animals practice test

Questions: 1
Test Difficulty:

Archaea practice test

Questions: 2
Test Difficulty:
Average Time Spent: 35 secs

Identifying archaea practice test

Questions: 1
Test Difficulty:

Understanding archaea practice test

Questions: 1
Test Difficulty:

Bacteria practice test

Questions: 3
Test Difficulty:
Average Time Spent: 7 mins

Identifying bacteria practice test

Questions: 1
Test Difficulty:
Average Time Spent: 10 secs

Understanding bacteria practice test

Questions: 2
Test Difficulty:
Average Time Spent: 35 secs

Fungi practice test

Questions: 1
Test Difficulty:
Average Time Spent: 5 secs

Understanding fungal life cycle and reproduction practice test

Questions: 3
Test Difficulty:
Average Time Spent: 45 secs

Understanding fungal structures practice test

Questions: 1
Test Difficulty:
Average Time Spent: 5 secs

Understanding types of fungi practice test

Questions: 1
Test Difficulty:

Plantae practice test

Questions: 5
Test Difficulty:
Average Time Spent: 1 mins 41 secs

Understanding alternation of generations practice test

Questions: 3
Test Difficulty:
Average Time Spent: 40 secs

Understanding types of plants practice test

Questions: 2
Test Difficulty:
Average Time Spent: 21 secs

Protista practice test

Questions: 4
Test Difficulty:
Average Time Spent: 1 mins 8 secs

Identifying protists practice test

Questions: 1
Test Difficulty:
Average Time Spent: 16 secs

Understanding protists practice test

Questions: 1
Test Difficulty:

Understanding roles of protists practice test

Questions: 2
Test Difficulty:
Average Time Spent: 12 secs

Viruses practice test

Questions: 2
Test Difficulty:
Average Time Spent: 28 secs

Understanding animal and plant viruses practice test

Questions: 1
Test Difficulty:
Average Time Spent: 17 secs

Understanding bacteriophages practice test

Questions: 2
Test Difficulty:
Average Time Spent: 1 mins 41 secs

Understanding viral life cycles and replication practice test

Questions: 1
Test Difficulty:
Average Time Spent: 11 secs

Ecology practice test

Questions: 11
Test Difficulty:
Average Time Spent: 5 mins

Environmental ecology practice test

Questions: 3
Test Difficulty:
Average Time Spent: 1 mins 20 secs

Understanding chemical cycles practice test

Questions: 1
Test Difficulty:

Understanding environmental impacts practice test

Questions: 2
Test Difficulty:
Average Time Spent: 37 secs

Organismal ecology practice test

Questions: 8
Test Difficulty:
Average Time Spent: 2 mins 14 secs

Understanding community ecology practice test

Questions: 2
Test Difficulty:
Average Time Spent: 36 secs

Understanding food webs and food chains practice test

Questions: 2
Test Difficulty:
Average Time Spent: 34 secs

Understanding mating and social interactions practice test

Questions: 1
Test Difficulty:

Understanding population ecology practice test

Questions: 4
Test Difficulty:
Average Time Spent: 29 secs

Understanding trophic energy practice test

Questions: 1
Test Difficulty:

Evolution and mutations practice test

Questions: 3
Test Difficulty:
Average Time Spent: 4 mins

Evolutionary factors practice test

Questions: 2
Test Difficulty:
Average Time Spent: 34 mins

Understanding genetic drift practice test

Questions: 1
Test Difficulty:
Average Time Spent: 40 secs

Understanding hardy-weinberg equilibrium practice test

Questions: 1
Test Difficulty:
Average Time Spent: 2 mins 0 secs

Understanding natural selection and fitness practice test

Questions: 5
Test Difficulty:
Average Time Spent: 2 mins 50 secs

Evolutionary history practice test

Questions: 4
Test Difficulty:
Average Time Spent: 1 mins 7 secs

Understanding land adaptations practice test

Questions: 4
Test Difficulty:
Average Time Spent: 1 mins 8 secs

Mutations and variability practice test

Questions: 2
Test Difficulty:
Average Time Spent: 45 secs

Understanding polymorphisms practice test

Questions: 3
Test Difficulty:
Average Time Spent: 1 mins 10 secs

Understanding types of mutation practice test

Questions: 2
Test Difficulty:
Average Time Spent: 14 secs

Speciation practice test

Questions: 1
Test Difficulty:
Average Time Spent: 42 secs

Understanding divergent and convergent evolution practice test

Questions: 1
Test Difficulty:
Average Time Spent: 15 secs

Understanding phylogenetics practice test

Questions: 2
Test Difficulty:
Average Time Spent: 1 mins 29 secs

Understanding speciation practice test

Questions: 1
Test Difficulty:
Average Time Spent: 2 mins 33 secs

Understanding types of speciation practice test

Questions: 2
Test Difficulty:
Average Time Spent: 46 secs

Genetics, dna, and molecular biology practice test

Questions: 4
Test Difficulty:
Average Time Spent: 2 mins 21 secs

Chromatin and chromosomes practice test

Questions: 1
Test Difficulty:
Average Time Spent: 25 secs

Understanding chromatin practice test

Questions: 1
Test Difficulty:
Average Time Spent: 35 secs

Understanding karyotypes and chromosomes practice test

Questions: 2
Test Difficulty:
Average Time Spent: 46 secs

Understanding structures and proteins in dna practice test

Questions: 3
Test Difficulty:
Average Time Spent: 1 mins 3 secs

Dna replication and repair practice test

Questions: 1
Test Difficulty:
Average Time Spent: 19 secs

Understanding dna repair practice test

Questions: 2
Test Difficulty:
Average Time Spent: 1 mins 8 secs

Understanding dna replication practice test

Questions: 1
Test Difficulty:
Average Time Spent: 6 secs

Genetic regulation practice test

Questions: 2
Test Difficulty:
Average Time Spent: 1 mins 44 secs

Understanding epigenetics practice test

Questions: 3
Test Difficulty:
Average Time Spent: 1 mins 43 secs

Understanding oncogenes practice test

Questions: 2
Test Difficulty:
Average Time Spent: 37 secs

Genetic sequences, transcription, and translation practice test

Questions: 1
Test Difficulty:
Average Time Spent: 48 secs

Understanding genetic patterns practice test

Questions: 1
Test Difficulty:
Average Time Spent: 13 secs

Understanding introns and exons practice test

Questions: 2
Test Difficulty:
Average Time Spent: 1 mins 4 secs

Understanding mrna and protein modifications practice test

Questions: 3
Test Difficulty:
Average Time Spent: 47 secs

Understanding operons and promoters practice test

Questions: 3
Test Difficulty:
Average Time Spent: 2 mins 40 secs

Understanding transcription practice test

Questions: 2
Test Difficulty:
Average Time Spent: 1 mins 42 secs

Understanding transcription factors practice test

Questions: 2
Test Difficulty:

Understanding translation practice test

Questions: 3
Test Difficulty:
Average Time Spent: 3 mins

Inheritance practice test

Questions: 1
Test Difficulty:
Average Time Spent: 19 secs

Understanding modes of inheritance practice test

Questions: 4
Test Difficulty:
Average Time Spent: 2 mins 57 secs

Understanding pedigrees and punnet squares practice test

Questions: 2
Test Difficulty:
Average Time Spent: 1 mins 3 secs

Understanding prokaryotic inheritance practice test

Questions: 1
Test Difficulty:
Average Time Spent: 15 secs

Lab techniques practice test

Questions: 1
Test Difficulty:
Average Time Spent: 1 mins 51 secs

Chromatography practice test

Questions: 2
Test Difficulty:
Average Time Spent: 3 mins

Understanding column chromatography practice test

Questions: 1
Test Difficulty:
Average Time Spent: 21 secs

Understanding thin layer chromatography practice test

Questions: 1
Test Difficulty:
Average Time Spent: 22 secs

Dna analysis practice test

Questions: 2
Test Difficulty:
Average Time Spent: 51 secs

Understanding cloning and pcr practice test

Questions: 3
Test Difficulty:
Average Time Spent: 1 mins 9 secs

Understanding dna sequencing practice test

Questions: 2
Test Difficulty:
Average Time Spent: 22 secs

Understanding restriction endonucleases and rflps practice test

Questions: 2
Test Difficulty:
Average Time Spent: 37 secs

Electrophoresis and blots practice test

Questions: 3
Test Difficulty:
Average Time Spent: 1 mins 1 secs

Understanding other blots and gels practice test

Questions: 1
Test Difficulty:
Average Time Spent: 19 secs

Understanding page and sds-page practice test

Questions: 1
Test Difficulty:
Average Time Spent: 6 secs

Understanding western blots practice test

Questions: 1
Test Difficulty:
Average Time Spent: 12 secs

Genetic manipulation practice test

Questions: 2
Test Difficulty:
Average Time Spent: 29 secs

Understanding knockouts practice test

Questions: 1
Test Difficulty:

Understanding recombinant dna practice test

Questions: 2
Test Difficulty:
Average Time Spent: 53 secs

Understanding rnai practice test

Questions: 2
Test Difficulty:
Average Time Spent: 26 secs

Immunochemistry practice test

Questions: 2
Test Difficulty:
Average Time Spent: 50 secs

Understanding immunological stains practice test

Questions: 2
Test Difficulty:
Average Time Spent: 7 secs

Microscopy practice test

Questions: 4
Test Difficulty:
Average Time Spent: 1 mins 53 secs

Understanding electron microscopy practice test

Questions: 2
Test Difficulty:
Average Time Spent: 26 secs

Understanding light microscopy practice test

Questions: 3
Test Difficulty:
Average Time Spent: 27 secs

Other lab techniques practice test

Questions: 1
Test Difficulty:
Average Time Spent: 17 secs

Understanding identification techniques practice test

Questions: 2
Test Difficulty:
Average Time Spent: 24 secs

Understanding other techniques practice test

Questions: 6
Test Difficulty:
Average Time Spent: 4 mins

Understanding separation techniques practice test

Questions: 1
Test Difficulty:
Average Time Spent: 27 secs

Plant biology practice test

Questions: 3
Test Difficulty:
Average Time Spent: 51 secs

Plant nutrition and hydration practice test

Questions: 2
Test Difficulty:
Average Time Spent: 17 secs

Understanding plant metabolism and photosynthesis practice test

Questions: 2
Test Difficulty:
Average Time Spent: 9 secs

Understanding water transport practice test

Questions: 2
Test Difficulty:
Average Time Spent: 1 mins 10 secs

Plant reproduction practice test

Questions: 5
Test Difficulty:
Average Time Spent: 5 mins

Understanding plant development practice test

Questions: 1
Test Difficulty:

Understanding plant hormones practice test

Questions: 3
Test Difficulty:
Average Time Spent: 43 secs

Understanding plant reproductive structures practice test

Questions: 1
Test Difficulty:

Plant structures practice test

Questions: 12
Test Difficulty:
Average Time Spent: 3 mins

Understanding plant macrostructures practice test

Questions: 8
Test Difficulty:
Average Time Spent: 1 mins 40 secs

Understanding plant microstructures practice test

Questions: 4
Test Difficulty:
Average Time Spent: 1 mins 6 secs

Practice Quizzes

GRE Subject Test: Biology Problem Set 31

Questions: 12
Test Difficulty:
Average Time Spent: 45 secs

GRE Subject Test: Biology Problem Set 30

Questions: 12
Test Difficulty:
Average Time Spent: 1 mins 22 secs

GRE Subject Test: Biology Problem Set 29

Questions: 12
Test Difficulty:
Average Time Spent: 58 secs

GRE Subject Test: Biology Problem Set 28

Questions: 12
Test Difficulty:
Average Time Spent: 55 secs

GRE Subject Test: Biology Problem Set 27

Questions: 12
Test Difficulty:
Average Time Spent: 1 mins 10 secs

GRE Subject Test: Biology Problem Set 26

Questions: 12
Test Difficulty:
Average Time Spent: 44 secs

GRE Subject Test: Biology Problem Set 25

Questions: 12
Test Difficulty:
Average Time Spent: 1 mins 10 secs

GRE Subject Test: Biology Problem Set 24

Questions: 12
Test Difficulty:
Average Time Spent: 42 secs

GRE Subject Test: Biology Problem Set 23

Questions: 12
Test Difficulty:
Average Time Spent: 2 mins 3 secs

GRE Subject Test: Biology Problem Set 22

Questions: 12
Test Difficulty:
Average Time Spent: 1 mins 15 secs

GRE Subject Test: Biology Problem Set 21

Questions: 12
Test Difficulty:
Average Time Spent: 2 mins 48 secs

GRE Subject Test: Biology Problem Set 19

Questions: 12
Test Difficulty:
Average Time Spent: 41 secs

GRE Subject Test: Biology Problem Set 18

Questions: 12
Test Difficulty:
Average Time Spent: 38 secs

GRE Subject Test: Biology Problem Set 17

Questions: 12
Test Difficulty:
Average Time Spent: 1 mins 8 secs

GRE Subject Test: Biology Problem Set 16

Questions: 12
Test Difficulty:
Average Time Spent: 1 mins 13 secs

GRE Subject Test: Biology Problem Set 15

Questions: 12
Test Difficulty:
Average Time Spent: 1 mins 3 secs

GRE Subject Test: Biology Problem Set 14

Questions: 12
Test Difficulty:
Average Time Spent: 38 secs

GRE Subject Test: Biology Problem Set 13

Questions: 12
Test Difficulty:
Average Time Spent: 40 secs

GRE Subject Test: Biology Problem Set 12

Questions: 12
Test Difficulty:
Average Time Spent: 1 mins 26 secs

GRE Subject Test: Biology Problem Set 11

Questions: 12
Test Difficulty:
Average Time Spent: 45 secs

GRE Subject Test: Biology Problem Set 10

Questions: 12
Test Difficulty:
Average Time Spent: 1 mins 11 secs

GRE Subject Test: Biology Problem Set 9

Questions: 12
Test Difficulty:
Average Time Spent: 2 mins 52 secs

GRE Subject Test: Biology Problem Set 8

Questions: 12
Test Difficulty:
Average Time Spent: 1 mins 19 secs

GRE Subject Test: Biology Problem Set 7

Questions: 12
Test Difficulty:
Average Time Spent: 1 mins 40 secs

GRE Subject Test: Biology Problem Set 6

Questions: 12
Test Difficulty:
Average Time Spent: 1 mins 26 secs

GRE Subject Test: Biology Problem Set 5

Questions: 12
Test Difficulty:
Average Time Spent: 1 mins 10 secs

GRE Subject Test: Biology Problem Set 4

Questions: 12
Test Difficulty:
Average Time Spent: 1 mins 36 secs

GRE Subject Test: Biology Problem Set 3

Questions: 12
Test Difficulty:
Average Time Spent: 1 mins 33 secs

GRE Subject Test: Biology Problem Set 2

Questions: 12
Test Difficulty:
Average Time Spent: 1 mins 32 secs

GRE Subject Test: Biology Problem Set 1

Questions: 12
Test Difficulty:
Average Time Spent: 5 mins
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