Question Bank
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What is the difference between the digestive system of a planarian and trematode? 
Study Flatworms Review .

Humans have m,n, mn blood group? How? 
Read Blood Types Review .

What is the role of vitamins with respect to enzyme action. 
Read Enzyme Activity .

What are the types of blood vessels? 
Study The Circulatory System - Complete Review .

What are the three main steps in PCR?  
The three main steps involve 1. denaturation 2. annealing 3. expansion Read Genetic Engineering .

What is osmosis? 
How does it help the plant grow? Study Cell Membrane .

How much energy does a cell produce as a result of cellular respiration? 
Read Cell Respiration .

How much energy does a cell produce as a result of fermentation? 
Study Cell Respiration .

What is the prolactin production organ? 
Study The Endocrine System .

What method of transmission of a virus is the most effective and why? 
Respiratory? because it is airborne... Not sure or Zoonotic because these are diseases transmitted from an animal to a human (mosquitoes, ticks, and sandflies). …

Which type of bacteria (gram-positive or negative) are more commonly pathogens? How might this information be useful?  
Gram negative bacteria are commonly pathogens but why is it important to know this? Study Bacterial Infection .

Why is it more difficult to estimate heritablility in humans than in livestock? 
Human traits are not inherited the same way as in other animals. Read Genetics .

What are plants? 
Plants are living things that various different parts. Study Plants .

What is primary branch in plant? 
Study Plant Tissues .

What happens to the chromosomes during gametogenesis? 
Study Gametogenesis .

What type of macromolecule makes up the cell membrane and cell wall? 
Read Cell Membrane .

Can you tell me what this plant needs? 
Can you tell me what my orchid may need? Or what I need to do to make it look like a normal plant? I have had it for quite some time & am afraid to replant …

How the of frog is different from the human heart?  
Read Frog Facts .

What is nemertea? 
What are the characteristics of them? Check: http://eol.org/pages/2855/overview

What is required in an aerobic proccess? 
Study Cell Respiration .

Give the classification of carbohydrates. 
Study Carbohydrates Properties Review from Biology Questions and Answers .

What is the life cycle of the fungus Rhizopus.? 
I have to draw the life cycle of this fungi and indicate where mitosis and meiosis occur, if anyone can help out thank you! Read Fungi Kingdom Review …

Plant species that occur naturally in your ecosystem. 
Read Biodiversity .

What is meant by birth control? 
Read Reproductive System .

I need a diagram to show how the circulatory, respiratory and digestive system work together during exercise? please help. 
I need a diagram to show how the circulatory, respitatory and digestive system work together during exercise? please help Study Physiology Review - …

Where are pollen grains stored? 
Read Angiosperms

How does thyroxine affect blood sugar? 
Study The Endocrine System .

Which two hormones are secreted by the posterior pituitary gland?  
Read The Endocrine System .

How is the adaptability of body plan to the higher chordates? 
Study Chordates - Easy Zoology Review .

Why is hyrogen bond important in DNA structure? 
Read Nucleic Acid .

Viruses has not been categorised under any of the classical five kingdom classifications is it due to its crystallized form only or their are more reasons for its been uncategorized? 
I've always wondered why viruses have not been brought under any of the five kingdom classification of Mr.R.H.Whittaker? Viruses show both living and non-living …

What are mutagens? Mention its types. 
Study Karyotype and Genetic Diseases .

In B+ blood group it means antigen B is present on my RBC cell membrane. So from where anti-A come to cause agglutination? Is it inherited from parents or acquired from environment? 
Read Blood Types Review .

Write a short note on ATP? 
Read Cell Respiration .

Why do both zoology and botany texts include studies of the protista? 
Read Protists - Definition, Types, Structure .

What happen to hormones in the endocrine glands if the hypothalamus is removed? 
Study The Endocrine System .

State the place where mitosis and meiosis take place. 
Read Cell Division .

Are different cells distributed equally? 
plant cell animal cell Study Cell Tissue .

Which of the following would not be a limiting factor related to population density? 
a. parasitism and disease b. a struggle for food, water, space, or sunlight c. the eruption of a volcano Read Population Ecology .

WHAT STEPS DOES THE MUSCULOSKELETAL SYSTEM GO THROUGH FROM CHILDHOOD TO ADULTHOOD TO REACH 2006 BONES? 
OTHER THAN TO SAY SOME OF THE BONES OF A CHILD JOIN TOGETHER TO REDUCE THE NUMBER OF BONES, IS THERE ANY OTHER EXPLANATION? Study Musculoskeletal . …

What does the liver produce to help digestion? 
Study Digestive System .

Which phenomena is responsible for crossing over in diploid organisms? 
(1) linkage between genes (2) recombination between linked genes (3) segregation between genes (4) dominance of genes Read Linkage .

What is a co-factor in enzyme reactions? 
Study Enzyme Activity .

What animals are most efficient eaters? 
I would like to know either (a) what animal(s) is/are most efficient in extracting energy or calories from food, (b) how one would go about finding an …

What does each single codon stand for or code for protein production to stop? 
Read Protein Synthesis Made Easy .

Water movement in plants, which pathway is more prevailent, extracellular or intracellular? 
Study Plant Physiology .

What are virus? Describe size, shape and structure of virus. 
Study Viruses - Definition, Structure, Genetics and Replication .

Reffering to the differences in cell structures, explain why plant material is less easily digested in the human gut than is in the animal material? 
The difference in cell structures and their organelles. Study Cell Structure .

Why do ventricles have thicker walls than auricles? 
Read The Circulatory System - Complete Review .

How does a change in pH affect the structural levels of a protein? Be specific and detailed in you answer and refer to ALL levels of protein structure. 
I know that at extreme pH values, the proteins become denatured but could you please explain how they are denatured at each structural level? Thank you. …

Describe the polymorphism in Physalia utriculus. 
I know that polymorphism is the existence of more than structural type of an individual within a single species. does this perhaps concern the life cycle …

Where are enzymes that control a deep-sea firefly squid's ability to produce light energy from chemical energy located? 
Read Mollusca - Study Guide .

Is it possible that a haemophilic woman to survive? 
Read Blood Questions .

How can we test primary amino group? 
Study Protein Synthesis Made Easy .

Difference in the rate of enzyme activity for a small block of liver and processed one? 
Enzyme Activity .

What is the difference of nucleic acid synthesis in prokaryotic cells versus eukaryotic cells? 
Read Bacterial Cell .

What vessels or vasculatures does growth hormone travel through to go from the pituitary to the right tibia? 
From what I could gather it goes directly into the circulatory system possibly through a capillary bed, cycles through to the heart and gets pumped down …

Why isnt chickenpox virus considered a living thing? 
Study Viruses - Definition, Structure, Genetics and Replication .

What would happen to the diffusion rate if the cell membrane was placed in hot water? 
Read Cell Membrane .

What is the function of the cerebral spinal fluid? 
Read Nervous System .

What are the meninges? 
Read Nervous System .

Only molecules that are what in size and what can pass through the lipid layer? 
Study Cell Membrane .

A true-breeding tall pea plant is crossed with a true-breeding short pea plant, and all the offsprings are tall. What is the most likely genotype of the offspring assuming a single-gene trait? 
a. tt b. TT c. TT OR tt d. Tt Read Mendel's Laws .

Describe the level of a phosphorylated intermediate molecule in energy transfer. 
Study Cell Respiration .

What causes limp celery to get crispy when soaked in fresh water? 
a. plasmolysis b. turgor presure c. diffusion d. endocytosis Read Cell Membrane .

Is it possible for what biologist would call an "animal" to evolve that does not have to eat other life forms to survive? 
I don't know the answer. Read Evolution Theory . Note: Technological evolution might help towards that in the future.

Cell division occurs following which 2 events? 
Read Cell Division .

How are enzymes inhibited by pH and temperature? 
Read Enzyme Activity .

What are the issues regarding the use of genetic cloning to produce human insulin? 
Hi there I was wondering about this qustion as I have a school science project at school and I was looking for peoples view/opinions/issues on this topic. …

How does blood clotting occur including the different clotting factors? 
Read Blood Questions .

Why is the catalytic activity of enzymes essential to ensure and regulate cellular metabolism? 
Read Enzyme Activity .

Which are the conductive tissues that helps in the transport of substances in plants? 
Study Plant Tissues .

Which type of forest has highest carbon dioxide sequestering potential? 
There are several types of forests such as Tropical dry deciduous forests,Tropical wet deciduous forest,tropical wet evergreen forests,himalayan mountaineous …

Which stage in ecological sucession has highest species diversity? 
There are several stages in any type of ecological sucession and i want to know at which stage in sucession species diversity is highest. Is species diversity …

What is the ploidy of the structures on/in a flower? 
Do the petals and sepals even have a ploidy? #goodquestion Study Plants .

What will be the effect on consumers when the population of primary consumers is increased? 
I THINK THERE WOULD BE AN INCREASE IN THE POPULATION OF THE SECONDARY CONSUMERS. Study Ecology .

What is an example of a pioneer community? 
Read Ecological Succession .

What is the trace of blood through the circulatory system starting with right atrium?  
Study The Circulatory System - Complete Review .

Explain the significance of gamete reduction in gymnosperms and angiosperms. 
Read Gymnosperms .

Whenever a pair of alleles has different alleles is there dominance between them? 
Study Genetics .

How many total microtubules are located in the outer layer of the movable portion of the cilia or flagella? 
Read Cytoskeleton .

What are basic forms of bacteria? 
Read Bacterial Cell .

How is the nervous system involved in tetraplegia? 
I know the spinal chord is covered by neurons and when it broken your are unable to move from the neck down. Study Nervous System .

Why do vitamins need to be eaten in a small amounts? 
Study Nutrition Vitamins - Easily Explained .

What are ribosoms made of ? 
Read Cell Structure .

Describe three ways that the knowledge of the metabolic processes photosynthesis and cellular respiration can improve your level of physical fitness? 
Study Musculoskeletal .

What is the process that creates new cells during embryonic development?  
Study Embryonic Development .

Definition on: alternative forms of a gene for each variation of a trait of an organism. 
Study Genetics .

On what principle is Benedict Test based? 
What happens when a few drop of Iodine are dripped on the carrot and the slices of potatoes? Study Carbohydrates Properties Review from Biology Questions …

What does the respiratory system help control in the bloodstream? 
I can't find the answer in my book. Study Breathing Process .

In dogs, wire hair(S)is dominant to smooth(s). In a cross of a homozygous wire-haired dogs with a smooth-haired dog, what will be the phenotype of the F1generation? 
What would be the genotype? What would be the ratio of wire-haired to smooth-haired dogs in the F2 generation? Study Genetics .

How do two major types of lymphocytes form and how do they provide immunity? 
Study The Immune System .

Give some examples of saturated n unsaturated lipids? 
Study Fat Review - Lipids Explained on Biology Questions and Answers .

What is the nervous system of the planaria? 
Also, how does it problem solve? Is it considered a clever organism, so to speak? Study Flatworms Review .

Why nitrogen is included in mineral nutrient, although it is not mineral? 
Read Water Properties .

How can we use a karyotype to find and diagnose genetic diseases? What sort of disorders can we diagnose? 
Read Karyotype and Genetic Diseases .

Why do protozoans some times make use of sexual reproduction although they can reproduce asexually? 
Enviromental conditions have effect on which kind of reproduction protozoa must use. Read Protists - Definition, Types, Structure .

A response is the body recognition and destruction of foreign substance... 
Study The Immune System .

Do incomplete dominance is also called supplementary gene interaction? 
In incomplete dominance ,neither dominant nor recessive character is expressed in the F1 generation.Instead a intermediate character is expressed. IN the …

Why it is said that all life depends upon photosynthesis? 
Photosynthesis? Read Photosynthesis Process - The Easiest Online Review .

Why are nodes in plants adjacent to each other? 
To allow the development of flowers? Study Plant Tissues .

What makes gametes be reffered to as specialized cells? 
Study Gametogenesis .

How does physiological factors influence the growth of a plant? 
Study Plant Physiology .

What are things the water cycle transports? 
Read The Water Cycle .

Are proteins present in the lymphatic system? 
Study The Circulatory System - Complete Review .

Why is it an advantage to be able to create art? 
Good question. Study Evolution Theory ,

How many genetically different kind of gametes an individual with genotype aabb can produce? 
Study Gene .

How is the ileum adapted to its function? 
Study Digestive System .

Name the classification of life. 
Study Life Kingdoms - Monera, Protista, Fungi, Animalia, Plantae, Virus .

Determine all of the types of genetically different gametes that can be produced by the male and female parents. 
Study Gametogenesis .

What happens to the active site and molecular geometry of the enzyme as they are denatured? 
Study Enzyme Activity .

Phylum Nematoda is... 
WHAT IS PHYLUM NEMATODA? Read Nematoda - from Zoology Review .

What are pentoses and their roles in DNA and RNA? 
The pentose sugar of RNA is called ribose. If an oxygen atom is removed then ribose is changed to deoxyribose, the pentose sugar of DNA. Conventional numbering …

What is natural selection? 
Study Evolution .

Show punnett square to homozygous red-flowered snapdragon(RR)and homozygous white-flowered snapdragon (R'R'). give the genotype and phenotype of the offsprings. Key RR-red, R'R'-white, RR'-pink 
A punnett square for a cros between a homozygous red-flowered snapdragon(RR)and a homoygous white-flowered snapdragon (R'). Give the genotype and phenotype …

What is the different between organ and organic? 
Study Biochemistry Introduction .

Why are amino acid composition of protein so varied? 
Read Protein Structure .

Which animal produces less pepsin ? Herbivores or carnivores? 
Study Digestive System .

How does pressure affect the cell membrane? 
Study Cell Membrane .

Why bacteria are grouped as dynamic class of organisms? 
Study Bacterial Cell .

Why is the segregation of different genes considered independent? 
I am getting all sorts of answers from different sources and I think this is one of the most reliable sites so an answer from you guys would be much appreciated. …

Why it is said that all life depends upon photosynthesis? 
Study Photosynthesis Process - The Easiest Online Review .

If luca our common ancestor was asexual it produced i understand only clones. What happened to introduce sexual reproduction and the emergence of offspring other than clones? 
I have no answer and would welcome hearing. Study Evolution .

Homeostasis of organisms means they have? 
Homeostasis of organisms means they have? Study Homeostasis .

Define nucleotide. 
Study Nucleic Acid .

Why amphibians are considered as unsuccessful land vertebrates? 
They are said to be unsuccessful land vertebrates because they failed to adapt completely to the land environment. Read Frog Facts .

A nucleotide is composed of the following molecules arranged in this order: 
a. Three amino acids covalently bonded in a series. b. Three fatty acids individually bonded to three different places on glycerol. c. A base …

What contains enzymes that convert fats to sugar?  
What contains enzymes that convert fats to sugar? a) lysosome b) tonoplast c) mitochondrion d) Golgi apparatus e) peroxisome Read Digestion …

Give a brief explanation of the division of photosynthesis into these two stages. 
Study Photosynthesis Process - The Easiest Online Review .

How does the circulatory system met the other systems? 
Study The Circulatory System - Complete Review .

How does crossing over aka recombination contribute to diversity? 
Read Linkage .

At which level of protein structure are interactions between the side chains (r groups) most important? 
Secondary structure? Study Protein Structure .

How might eating a high salt diet for a long period of time affect the human bodies tissue fluid and blood volume? 
Study The Circulatory System - Complete Review .

What are the differences between trypsin and pepsin, enterokinase and entergastrone, enzymes and proenzymes, proteins and proteoses, polysaccharides and monosaccharides? 
Read Digestive System .

What is the advantage of having a venous heart? 
Want to know the advantage of this type of heart... Study The Circulatory System - Complete Review .

Hemophiliacs have trouble clotting their blood after injury. Do they have malfunctioning platelets? 
Study Blood Questions .

Which atoms make compound of cell? 
kindly tell me all the level of organization of cardiac cell and renal cell? Read Biochemistry Introduction .

Orthostatic hypotension may is caused by which system? 
Sympathetic, Parasympathetic, Somatic motor or Somatic sensory? Study The Circulatory System - Complete Review .

How does the function of meiosis differ from that of mitosis?  
Mitosis makes new cells that are used in growth, development, repair, and asexual reproduction. Meiosis makes cells that allow an organism to reproduce …

Why are extraembryonic membranes so named? 
I don't know the answer. Study Extraembryonic Membranes .

Mention three important features of fossils which help in study of evolution. 
Study Evolution .

What also targets the adrenal gland kidney circulatory system and the brain? 
Read The Endocrine System .

Why do frogs live on land and not constant in water? 
Why don't frogs just stay in the water all the time? Read Frog Facts .

What is the effect of increasing the initial population size on overall growth?  
Also, Compare the effect of increasing the growth rate on the overall population size.

How can we tell which plants and wildlife in our local are are truly native to the area 
The area of sussex county nj especially? Related: Biodiversity .

Which are proteins that act as catalysts? 
A)Nucleotides B)Disaccharides C)Fatty acids D)enzymes Study Enzyme Activity .

Suggest two (or more) features of meiosis that favour the formation of de novo translocations. 
Study Karyotype and Genetic Diseases .

Write a note on any two genetic diseases. 
Study Karyotype and Genetic Diseases .

Do lipids interact with polypeptides to form quarternary structures? 
I believe that lipids can interact with some polypeptides so my tentative answer is yes. Read Fat Review - Lipids Explained on Biology Questions and …

Explain why the number of mitotic cells would be different in animal tissue samples.  
Read Cell Division .

Describe some qualities an index fossil must have to be useful for relative dating of sedimentary rock layers. 
Related: Evolution .

A cross of a black chicken (BB) with a white chicken (WW) produces all speckled offspring (BBWW). This type of inheritance is known as 
A. incomplete dominance B. Polygenic inheritance C. codominance D. multiple alleles Read Genetics .

What is the significance of polarity and solubility in the behaviour of lipids in the body? 
Does the way in which phospholiopds position themselves have any significance to this? Read Fat Review - Lipids Explained on Biology Questions and …

What would happen I'd there were no primary consumers in an ecosystem? 
Will it be the same if there were no secondary consumers? Study Food Chain .

Distinguish between biological population and ecological community. 
Good question. Study The Ecosystem .

Are intermediate filaments a component of the extracellular matrix? 
yes or no? Study Cytoskeleton .

Cell A has no membrane proteins at all. Cell B has aquaporin membrane proteins. Both cells are placed in a hypertonic solution. What will happen?  
Study Cell Membrane .

What are the Mendel's laws? 
Read Mendel's Laws .

What is meant by pinocytic anaemia? 
Anaemia associated with pregnancy? Read Blood Questions .

What would most likely result when aldosterone secretion from the adrenal cortex is impaired? 
Read The Endocrine System .

If you were to join two monosaccharides together to form a diasaccharide, what molecule is given off in this process 
Study Carbohydrates Properties Review from Biology Questions and Answers .

Explain briefluy the structure and functions of bacterial cell wall? 
Study Bacterial Cell .

How many percent difference in DNA are there between dogs and cats? 
The difference between chimpanzee and human is about 1% and between human and neanderthal is 0.004., I have heard. But what is the difference between dogs …

How does music affect the learning capability of human? 
Well for me, its a matter of concentration but others says that it could possibly increased your knowledge. We should conduct a research on this. This …

What tissue is responsible for plant's unceasing growth? 
Read Plant Tissues .

What is the function of cortical granules? 
Function of cortical granules. Study Physiology Review - Questions and Answers for Biology Exams .

What is mean by thallus & thallophytes? 
Study Plants .

In myosin protein how many amide groups are present in its polypeptide back bone? 
Study Musculoskeletal .

What are the unique characteristics of plants that other organisms don't have? 
Plants produce there own food. They undergo photosythesis. Read Plants .

Why the meiosis process is necessary for gametogenesis to occur? 
Gametogenesis is the process of producing sex cells or gametes so that when each parent contributes them a union (zygote) will be formed carrying the exact …

The detection and estimation of DNA products by Real Time PCR is achieved with? 
Read Genetic Engineering .

How is the dengue virus different from the rhinovirus lifecycle? 
Study Viral Infection .

The DNA of an organism is 0.68 meters. What is the length of the DNA in kilo bases? 
Read Nucleic Acid .

What is the relationship between an enzyme and a substrate? 
The relationship is that of a key and a lock. Study Enzyme Activity .

List seven structure in cells and what they do. 
Test question for my next quiz. Thank you guys a lot!! Read Cell Structure .

Why do you think there are usually more organisms at the bottom of a food chain ? 
Read Food Chain .

What would happen to a population if all individuals were identical? 
Study Biodiversity .

What is blastosis? 
Read Blood Types Review .

How many eggs do the female have? 
Study Gametogenesis .

Which of the following would be produced by meiosis?  
red blood cell cells of the stem in plants sperm cell epithelial read Cell Division .

Why does disease have a negative impact on homeostasis? 
Read Homeostasis .

What is cyclomorphosis? 
Study The Environment .

What ideas in lyell's theory of uniformitarianism were important of evolutionary theory? 
Study Evolution Theory .

Why is protozoan not considered and animal cell? 
Being that protozoan looks so much like and animal cell and have some attributes. Read Protists - Definition, Types, Structure .

What is the flexible ribbon of teeth? 
Study Mollusca - Study Guide .

Can you explain me how inflammation of muscles is caused? 
Read Musculoskeletal .

What is saturation in the context of transport across membranes? 
Is saturation the opposite of diffusion in which a molecule moves from an area of low concentration to that of high concentration? Study Cell Membrane …

Full name of very important biochemical (organic) molecule? 
Read Biochemistry Introduction .

What are the fruiting bodies of deuteromycetes? 
Study Fungi Kingdom Review .

How an excretory system can function as a regulator? 
An excretory system not only rids a body of waste materials, but also has a very important regulatory effect upon it. The Excretory System .

What is really the role of enzymes in the body? 
What is the work of enzyme in the body? Enzyme Activity

What is glucose? 
Read Carbohydrates Properties Review from Biology Questions and Answers .