Class 10 Biology MCQ PDF: Questions and Answers Download | 10th Grade Biology MCQs Book

Class 10 Biology MCQ PDF: Questions and Answers Download | 10th Grade Biology MCQs Book
Title Class 10 Biology MCQ PDF: Questions and Answers Download | 10th Grade Biology MCQs Book PDF eBook
Author Arshad Iqbal
Publisher Bushra Arshad
Pages 318
Release
Genre Science
ISBN

Download Class 10 Biology MCQ PDF: Questions and Answers Download | 10th Grade Biology MCQs Book Book in PDF, Epub and Kindle

The Book Class 10 Biology Multiple Choice Questions (MCQ Quiz) with Answers PDF Download (10th Grade Biology PDF Book): MCQ Questions Chapter 1-10 & Practice Tests with Answer Key (Class 10 Biology Textbook MCQs, Notes & Question Bank) includes revision guide for problem solving with hundreds of solved MCQs. Class 10 Biology MCQ with Answers PDF book covers basic concepts, analytical and practical assessment tests. "Class 10 Biology MCQ" Book PDF helps to practice test questions from exam prep notes. The eBook Class 10 Biology MCQs with Answers PDF includes revision guide with verbal, quantitative, and analytical past papers, solved MCQs. Class 10 Biology Multiple Choice Questions and Answers (MCQs) PDF Download, an eBook covers solved quiz questions and answers on chapters: Biotechnology, coordination and control, gaseous exchange, homeostasis, inheritance, internal environment maintenance, man and environment, pharmacology, reproduction, support and movement tests for school and college revision guide. Class 10 Biology Quiz Questions and Answers PDF Download, free eBook’s sample covers beginner's solved questions, textbook's study notes to practice online tests. The Book Grade 10 Biology MCQs Chapter 1-10 PDF includes high school question papers to review practice tests for exams. Class 10 Biology Multiple Choice Questions (MCQ) with Answers PDF digital edition eBook, a study guide with textbook chapters' tests for NEET/MCAT/MDCAT/SAT/ACT competitive exam. 10th Grade Biology Practice Tests Chapter 1-10 eBook covers problem solving exam tests from biology textbook and practical eBook chapter wise as: Chapter 1: Biotechnology MCQ Chapter 2: Coordination and Control MCQ Chapter 3: Gaseous Exchange MCQ Chapter 4: Homeostasis MCQ Chapter 5: Inheritance MCQ Chapter 6: Internal Environment Maintenance MCQ Chapter 7: Man and Environment MCQ Chapter 8: Pharmacology MCQ Chapter 9: Reproduction MCQ Chapter 10: Support and Movement MCQ The e-Book Biotechnology MCQs PDF, chapter 1 practice test to solve MCQ questions: Introduction to biotechnology, genetic engineering, alcoholic fermentation, fermentation, carbohydrate fermentation, fermentation and applications, fermenters, lactic acid fermentation, lungs, and single cell protein. The e-Book Coordination and Control MCQs PDF, chapter 2 practice test to solve MCQ questions: Coordination, types of coordination, anatomy, autonomic nervous system, central nervous system, disorders of nervous system, endocrine glands, endocrine system, endocrine system disorders, endocrinology, glucose level, human body parts and structure, human brain, human ear, human nervous system, human physiology, human receptors, life sciences, nervous coordination, nervous system function, nervous system parts and functions, neurons, neuroscience, peripheral nervous system, receptors in humans, spinal cord, what is nervous system, and zoology. The e-Book Gaseous Exchange MCQs PDF, chapter 3 practice test to solve MCQ questions: Gaseous exchange process, gaseous exchange in humans, gaseous exchange in plants, cellular respiration, exchange of gases in humans, lungs, photosynthesis, respiratory disorders, thoracic diseases, and zoology. The e-Book Homeostasis MCQs PDF, chapter 4 practice test to solve MCQ questions: Introduction to homeostasis, plant homeostasis, homeostasis in humans, homeostasis in plants, anatomy, human kidney, human urinary system, kidney disease, kidney disorders, urinary system facts, urinary system functions, urinary system of humans, urinary system structure, and urine composition. The e-Book Inheritance MCQs PDF, chapter 5 practice test to solve MCQ questions: Mendel's laws of inheritance, inheritance: variations and evolution, introduction to chromosomes, chromosomes and cytogenetics, chromosomes and genes, co and complete dominance, DNA structure, genotypes, hydrogen bonding, introduction to genetics, molecular biology, thymine and adenine, and zoology. The e-Book Internal Environment Maintenance MCQs PDF, chapter 6 practice test to solve MCQ questions: Excretory system, homeostasis in humans, homeostasis in plants, kidney disorders, photosynthesis, renal system, urinary system functions, and urinary system of humans. The e-Book Man and Environment MCQs PDF, chapter 7 practice test to solve MCQ questions: Bacteria, pollution, carnivores, conservation of nature, ecological pyramid, ecology, ecosystem balance and human impact, flow of materials and energy in ecosystems, flows of materials and ecosystem energy, interactions in ecosystems, levels of ecological organization, parasites, photosynthesis, pollution: consequences and control, symbiosis, and zoology. The e-Book Pharmacology MCQs PDF, chapter 8 practice test to solve MCQ questions: Introduction to pharmacology, addictive drugs, antibiotics and vaccines, lymphocytes, medicinal drugs, and narcotics drugs. The e-Book Reproduction MCQs PDF, chapter 9 practice test to solve MCQ questions: Introduction to reproduction, sexual reproduction in animals, sexual reproduction in plants, methods of asexual reproduction, mitosis and cell reproduction, sperms, anatomy, angiosperm, calyx, endosperm, gametes, human body parts and structure, invertebrates, microspore, pollination, seed germination, sporophyte, and vegetative propagation. The e-Book Support and Movement MCQs PDF, chapter 10 practice test to solve MCQ questions: Muscles and movements, axial skeleton, components of human skeleton, disorders of skeletal system, elbow joint, human body and skeleton, human body parts and structure, human ear, human skeleton, invertebrates, joint classification, osteoporosis, skeletal system, triceps and bicep, types of joints, and zoology.

Class 11-12 Biology MCQ PDF: Questions and Answers Download | 11th-12th Grade Biology MCQs Book

Class 11-12 Biology MCQ PDF: Questions and Answers Download | 11th-12th Grade Biology MCQs Book
Title Class 11-12 Biology MCQ PDF: Questions and Answers Download | 11th-12th Grade Biology MCQs Book PDF eBook
Author Arshad Iqbal
Publisher Bushra Arshad
Pages 341
Release 2019-06-06
Genre Young Adult Nonfiction
ISBN

Download Class 11-12 Biology MCQ PDF: Questions and Answers Download | 11th-12th Grade Biology MCQs Book Book in PDF, Epub and Kindle

The Book Class 11-12 Biology Multiple Choice Questions (MCQ Quiz) with Answers PDF Download (College Biology PDF Book): MCQ Questions Chapter 1-18 & Practice Tests with Answer Key (11th-12th Grade Biology Textbook MCQs, Notes & Question Bank) includes revision guide for problem solving with hundreds of solved MCQs. Class 11-12 Biology MCQ with Answers PDF book covers basic concepts, analytical and practical assessment tests. "Class 11-12 Biology MCQ" Book PDF helps to practice test questions from exam prep notes. The eBook Class 11-12 Biology MCQs with Answers PDF includes revision guide with verbal, quantitative, and analytical past papers, solved MCQs. Class 11-12 Biology Multiple Choice Questions and Answers (MCQs) PDF Download, an eBook covers solved quiz questions and answers on chapters: Bioenergetics, biological molecules, cell biology, coordination and control, enzymes, fungi, recyclers kingdom, gaseous exchange, growth and development, kingdom Animalia, kingdom plantae, kingdom prokaryotae, kingdom protoctista, nutrition, reproduction, support and movements, transport biology, variety of life, and what is homeostasis tests for college and university revision guide. Class 11-12 Biology Quiz Questions and Answers PDF Download, free eBook’s sample covers beginner's solved questions, textbook's study notes to practice online tests. The Book Class 11-12 Biology MCQs Chapter 1-18 PDF includes college question papers to review practice tests for exams. Class 11-12 Biology Multiple Choice Questions (MCQ) with Answers PDF digital edition eBook, a study guide with textbook chapters' tests for NEET/MCAT/MDCAT/SAT/ACT competitive exam. College Biology Practice Tests Chapter 1-18 eBook covers problem solving exam tests from biology textbook and practical eBook chapter wise as: Chapter 1: Bioenergetics MCQ Chapter 2: Biological Molecules MCQ Chapter 3: Cell Biology MCQ Chapter 4: Coordination and Control MCQ Chapter 5: Enzymes MCQ Chapter 6: Fungi: Recyclers Kingdom MCQ Chapter 7: Gaseous Exchange MCQ Chapter 8: Growth and Development MCQ Chapter 9: Kingdom Animalia MCQ Chapter 10: Kingdom Plantae MCQ Chapter 11: Kingdom Prokaryotae MCQ Chapter 12: Kingdom Protoctista MCQ Chapter 13: Nutrition MCQ Chapter 14: Reproduction MCQ Chapter 15: Support and Movements MCQ Chapter 16: Transport Biology MCQ Chapter 17: Variety of life MCQ Chapter 18: Homeostasis MCQ The e-Book Bioenergetics MCQs PDF, chapter 1 practice test to solve MCQ questions: Chloroplast: photosynthesis in plants, respiration, hemoglobin, introduction to bioenergetics, light: driving energy, photosynthesis reactions, photosynthesis: solar energy to chemical energy conversion, and photosynthetic pigment in bioenergetics. The e-Book Biological Molecules MCQs PDF, chapter 2 practice test to solve MCQ questions: Amino acid, carbohydrates, cellulose, cytoplasm, disaccharide, DNA, fatty acids, glycogen, hemoglobin, hormones, importance of carbon, importance of water, introduction to biochemistry, lipids, nucleic acids, proteins (nutrient), RNA and TRNA, and structure of proteins in biological molecules. The e-Book Cell Biology MCQs PDF, chapter 3 practice test to solve MCQ questions: Cell membrane, chromosome, cytoplasm, DNA, emergence and implication - cell theory, endoplasmic reticulum, nucleus, pigments, pollination, prokaryotic and eukaryotic cell, and structure of cell in cell biology. The e-Book Coordination and Control MCQs PDF, chapter 4 practice test to solve MCQ questions: Alzheimer's disease, amphibians, aquatic and terrestrial animals: respiratory organs, auxins, central nervous system, coordination in animals, coordination in plants, cytoplasm, endocrine, epithelium, gibberellins, heartbeat, hormones, human brain, hypothalamus, melanophore stimulating hormone, nervous systems, neurons, Nissls granules, oxytocin, Parkinson's disease, plant hormone, receptors, secretin, somatotrophin, thyroxine, vasopressin in coordination and control. The e-Book Enzymes MCQs PDF, chapter 5 practice test to solve MCQ questions: Enzyme action rate, enzymes characteristics, introduction to enzymes, and mechanism of enzyme action in enzymes. The e-Book Fungi Recycler's Kingdom MCQs PDF, chapter 6 practice test to solve MCQ questions: Asexual reproduction, classification of fungi, cytoplasm, fungi reproduction, fungus body, importance of fungi, introduction of biology, introduction to fungi, and nutrition in recycler's kingdom. The e-Book Gaseous Exchange MCQs PDF, chapter 7 practice test to solve MCQ questions: Advantages and disadvantages: aquatic and terrestrial animals: respiratory organs, epithelium, gaseous exchange in plants, gaseous exchange transport, respiration, hemoglobin, respiration regulation, respiratory gas exchange, and stomata in gaseous exchange. The e-Book Growth and Development MCQs PDF, chapter 8 practice test to solve MCQ questions: Acetabularia, aging process, animals: growth and development, central nervous system, blastoderm, degeneration, differentiation, fertilized ovum, germs, mesoderm, plants: growth and development, primordia, sperms, and zygote in growth and development. The e-Book Kingdom Animalia MCQs PDF, chapter 9 practice test to solve MCQ questions: Amphibians, asexual reproduction, cnidarians, development of animals complexity, grade bilateria, grade radiata, introduction to kingdom animalia, mesoderm, nematodes, parazoa, phylum, platyhelminthes, and sponges in kingdom animalia. The e-Book Kingdom Plantae MCQs PDF, chapter 10 practice test to solve MCQ questions: Classification, division bryophyta, evolution of leaf, evolution of seed habit, germination, introduction to kingdom plantae, megasporangium, pollen, pollination, sperms, sphenopsida, sporophyte, stomata, and xylem in kingdom plantae. The e-Book Kingdom Prokaryotae MCQs PDF, chapter 11 practice test to solve MCQ questions: Cell membrane, characteristics of cyanobacteria, chromosome, discovery of bacteria, economic importance of prokaryotae, flagellates, germs, importance of bacteria, introduction to kingdom prokaryotes, metabolic waste, nostoc, pigments, protista groups, structure of bacteria, use and misuse of antibiotics in kingdom prokaryotae. The e-Book Kingdom Protoctista MCQs PDF, chapter 12 practice test to solve MCQ questions: Cytoplasm, flagellates, fungus like protists, history of kingdom protoctista, introduction to kingdom prokaryotes, phylum, prokaryotic and eukaryotic cell, and protista groups in kingdom protoctista. The e-Book Nutrition MCQs PDF, chapter 13 practice test to solve MCQ questions: Autotrophic nutrition, digestion and absorption, digestion, heterotrophic nutrition, hormones, introduction to nutrition, metabolism, nutritional diseases, and secretin in nutrition. The e-Book Reproduction MCQs PDF, chapter 14 practice test to solve MCQ questions: Animals reproduction, asexual reproduction, central nervous system, chromosome, cloning, differentiation, external fertilization, fertilized ovum, gametes, germination, germs, human embryo, internal fertilization, introduction to reproduction, living organisms, plants reproduction, pollen, reproductive cycle, reproductive system, sperms, and zygote in reproduction. The e-Book Support and Movements MCQs PDF, chapter 15 practice test to solve MCQ questions: Animals: support and movements, cnidarians, concept and need, plant movements in support and movement. The e-Book Transport Biology MCQs PDF, chapter 16 practice test to solve MCQ questions: Amphibians, ascent of sap, blood disorders, body disorders, capillaries, germination, heartbeat, heart diseases and disorders, heart disorders, immune system, lymphatic system, lymphocytes, organic solutes translocation, stomata, transpiration, transport in animals, transport in man, transport in plants, types of immunity, veins and arteries, xylem in transport biology. The e-Book Variety of Life MCQs PDF, chapter 17 practice test to solve MCQ questions: Aids virus, bacteriophage, DNA, HIV virus, lymphocytes, phylum, polio virus, two to five kingdom classification system, and viruses in variety of life. The e-Book Homeostasis MCQs PDF, chapter 18 practice test to solve MCQ questions: Bowman capsule, broken bones, epithelium, excretion in animals, excretion in vertebrates, excretion: kidneys, facial bones, glomerulus, hemoglobin, homeostasis concepts, excretion, vertebrates, hormones, human skeleton, hypothalamus, mammals: thermoregulation, mechanisms in animals, metabolic waste, metabolism, muscles, nephrons, nitrogenous waste, osmoregulation, phalanges, plant movements, skeleton deformities, stomata, vertebrae, vertebral column, and xylem.

Gaseous Exchange MCQ (Multiple Choice Questions)

Gaseous Exchange MCQ (Multiple Choice Questions)
Title Gaseous Exchange MCQ (Multiple Choice Questions) PDF eBook
Author Arshad Iqbal
Publisher Bushra Arshad
Pages 20
Release
Genre Science
ISBN 1005470715

Download Gaseous Exchange MCQ (Multiple Choice Questions) Book in PDF, Epub and Kindle

The Gaseous Exchange Multiple Choice Questions (MCQ Quiz) with Answers PDF (Gaseous Exchange MCQ PDF Download): Quiz Questions & Practice Tests with Answer Key (Class 10 Biology Questions Bank, MCQs & Notes) includes revision guide for problem solving with solved MCQs. Gaseous Exchange MCQ with Answers PDF book covers basic concepts, analytical and practical assessment tests. "Gaseous Exchange MCQ" PDF book helps to practice test questions from exam prep notes. The Gaseous Exchange MCQs with Answers PDF eBook includes revision guide with verbal, quantitative, and analytical past papers, solved MCQs. Gaseous Exchange Multiple Choice Questions and Answers (MCQs) PDF: Free download sample, a book covers solved quiz questions and answers on 10th grade biology topics: Gaseous exchange process, gaseous exchange in humans, gaseous exchange in plants, cellular respiration, exchange of gases in humans, lungs, photosynthesis, respiratory disorders, thoracic diseases, and zoology tests for high school students and beginners. Gaseous Exchange Quiz Questions and Answers PDF, free download eBook’s sample covers exam's workbook, interview questions and competitive exam prep with answer key. The book Gaseous Exchange MCQs PDF includes high school question papers to review practice tests for exams. Gaseous Exchange Multiple Choice Questions (MCQ) with Answers PDF digital edition eBook, a study guide with textbook chapters' tests for NEET/Jobs/Entry Level competitive exam. Gaseous Exchange Mock Tests eBook covers problem solving exam tests from life science textbooks.

Reproduction MCQ (Multiple Choice Questions)

Reproduction MCQ (Multiple Choice Questions)
Title Reproduction MCQ (Multiple Choice Questions) PDF eBook
Author Arshad Iqbal
Publisher Bushra Arshad
Pages 55
Release
Genre Science
ISBN 1005609837

Download Reproduction MCQ (Multiple Choice Questions) Book in PDF, Epub and Kindle

The Reproduction Multiple Choice Questions (MCQ Quiz) with Answers PDF (Reproduction MCQ PDF Download): Quiz Questions & Practice Tests with Answer Key (Class 10 Biology Questions Bank, MCQs & Notes) includes revision guide for problem solving with solved MCQs. Reproduction MCQ with Answers PDF book covers basic concepts, analytical and practical assessment tests. "Reproduction MCQ" PDF book helps to practice test questions from exam prep notes. The Reproduction MCQs with Answers PDF eBook includes revision guide with verbal, quantitative, and analytical past papers, solved MCQs. Reproduction Multiple Choice Questions and Answers (MCQs) PDF: Free download sample, a book covers solved quiz questions and answers on 10th grade biology topics: Introduction to reproduction, sexual reproduction in animals, sexual reproduction in plants, methods of asexual reproduction, mitosis and cell reproduction, sperms, anatomy, angiosperm, calyx, endosperm, gametes, human body parts and structure, invertebrates, microspore, pollination, seed germination, sporophyte, and vegetative propagation tests for high school students and beginners. Reproduction Quiz Questions and Answers PDF, free download eBook’s sample covers exam's workbook, interview questions and competitive exam prep with answer key. The book Reproduction MCQs PDF includes high school question papers to review practice tests for exams. Reproduction Multiple Choice Questions (MCQ) with Answers PDF digital edition eBook, a study guide with textbook chapters' tests for NEET/Jobs/Entry Level competitive exam. Reproduction Mock Tests eBook covers problem solving exam tests from life science textbooks.

Inheritance MCQ (Multiple Choice Questions)

Inheritance MCQ (Multiple Choice Questions)
Title Inheritance MCQ (Multiple Choice Questions) PDF eBook
Author Arshad Iqbal
Publisher Bushra Arshad
Pages 28
Release
Genre Science
ISBN 1005290326

Download Inheritance MCQ (Multiple Choice Questions) Book in PDF, Epub and Kindle

The Inheritance Multiple Choice Questions (MCQ Quiz) with Answers PDF (Inheritance MCQ PDF Download): Quiz Questions & Practice Tests with Answer Key (Class 10 Biology Questions Bank, MCQs & Notes) includes revision guide for problem solving with solved MCQs. Inheritance MCQ with Answers PDF book covers basic concepts, analytical and practical assessment tests. "Inheritance MCQ" PDF book helps to practice test questions from exam prep notes. The Inheritance MCQs with Answers PDF eBook includes revision guide with verbal, quantitative, and analytical past papers, solved MCQs. Inheritance Multiple Choice Questions and Answers (MCQs) PDF: Free download sample, a book covers solved quiz questions and answers on 10th grade biology topics: Mendel’s laws of inheritance, inheritance: variations and evolution, introduction to chromosomes, chromosomes and cytogenetics, chromosomes and genes, co and complete dominance, DNA structure, genotypes, hydrogen bonding, introduction to genetics, molecular biology, thymine and adenine, and zoology tests for high school students and beginners. Inheritance Quiz Questions and Answers PDF, free download eBook’s sample covers exam's workbook, interview questions and competitive exam prep with answer key. The book Inheritance MCQs PDF includes high school question papers to review practice tests for exams. Inheritance Multiple Choice Questions (MCQ) with Answers PDF digital edition eBook, a study guide with textbook chapters' tests for NEET/Jobs/Entry Level competitive exam. Inheritance Mock Tests eBook covers problem solving exam tests from life science textbooks.

Support and Movement MCQ (Multiple Choice Questions)

Support and Movement MCQ (Multiple Choice Questions)
Title Support and Movement MCQ (Multiple Choice Questions) PDF eBook
Author Arshad Iqbal
Publisher Bushra Arshad
Pages 30
Release
Genre Science
ISBN 100582407X

Download Support and Movement MCQ (Multiple Choice Questions) Book in PDF, Epub and Kindle

The Support and Movement Multiple Choice Questions (MCQ Quiz) with Answers PDF (Support and Movement MCQ PDF Download): Quiz Questions & Practice Tests with Answer Key (Class 10 Biology Questions Bank, MCQs & Notes) includes revision guide for problem solving with solved MCQs. Support and Movement MCQ with Answers PDF book covers basic concepts, analytical and practical assessment tests. "Support and Movement MCQ" PDF book helps to practice test questions from exam prep notes. The Support and Movement MCQs with Answers PDF eBook includes revision guide with verbal, quantitative, and analytical past papers, solved MCQs. Support and Movement Multiple Choice Questions and Answers (MCQs) PDF: Free download sample, a book covers solved quiz questions and answers on 10th grade biology topics: Introduction to support and movement, muscles and movements, axial skeleton, components of human skeleton, disorders of skeletal system, elbow joint, human body and skeleton, human body parts and structure, human ear, human skeleton, invertebrates, joint classification, osteoporosis, skeletal system, triceps and bicep, types of joints, and zoology tests for high school students and beginners. Support and Movement Quiz Questions and Answers PDF, free download eBook’s sample covers exam's workbook, interview questions and competitive exam prep with answer key. The book Support and Movement MCQs PDF includes high school question papers to review practice tests for exams. Support and Movement Multiple Choice Questions (MCQ) with Answers PDF digital edition eBook, a study guide with textbook chapters' tests for NEET/Jobs/Entry Level competitive exam. Support and Movement Mock Tests eBook covers problem solving exam tests from life science textbooks.

Coordination and Control MCQ (Multiple Choice Questions)

Coordination and Control MCQ (Multiple Choice Questions)
Title Coordination and Control MCQ (Multiple Choice Questions) PDF eBook
Author Arshad Iqbal
Publisher Bushra Arshad
Pages 77
Release 2024
Genre Science
ISBN 1005392544

Download Coordination and Control MCQ (Multiple Choice Questions) Book in PDF, Epub and Kindle

The Coordination and Control Multiple Choice Questions (MCQ Quiz) with Answers PDF (Coordination and Control MCQ PDF Download): Quiz Questions & Practice Tests with Answer Key (Class 10 Biology Questions Bank, MCQs & Notes) includes revision guide for problem solving with solved MCQs. Coordination and Control MCQ with Answers PDF book covers basic concepts, analytical and practical assessment tests. "Coordination and Control MCQ" PDF book helps to practice test questions from exam prep notes. The Coordination and Control MCQs with Answers PDF eBook includes revision guide with verbal, quantitative, and analytical past papers, solved MCQs. Coordination and Control Multiple Choice Questions and Answers (MCQs) PDF: Free download sample, a book covers solved quiz questions and answers on 10th grade biology topics: Types of coordination, anatomy, autonomic nervous system, central nervous system, disorders of nervous system, endocrine glands, endocrine system, endocrine system disorders, endocrinology, glucose level, human body parts and structure, human brain, human ear, human nervous system, human physiology, human receptors, life sciences, nervous coordination, nervous system function, nervous system parts and functions, neurons, neuroscience, peripheral nervous system, receptors in humans, spinal cord, what is nervous system, and zoology tests for high school students and beginners. Coordination and Control Quiz Questions and Answers PDF, free download eBook’s sample covers exam's workbook, interview questions and competitive exam prep with answer key. The book Coordination and Control MCQs PDF includes high school question papers to review practice tests for exams. Coordination and Control Multiple Choice Questions (MCQ) with Answers PDF digital edition eBook, a study guide with textbook chapters' tests for NEET/Jobs/Entry Level competitive exam. Coordination and Control Mock Tests eBook covers problem solving exam tests from life science textbooks.