Frage 1
Frage
A pseudocoelome is found in the following phylum
Antworten
-
Cnidaria
-
Echinodermata
-
Annelida
-
Platyhelminthes
-
Nematoda
Frage 2
Frage
Which of the following have only one opening to the digestive tract (they do NOT have an anus)?
Frage 3
Frage
Which of the following is NOT a member of the phylum Platyhelminthes?
Frage 4
Frage
Which phylum do we first see muscles and nerves in their simplest form?
Frage 5
Frage
Which are characteristics of vertebrates?
Antworten
-
Open blood circulation
-
Pharyngeal (gill) slits
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Dorsal hallow nerve cord
-
Open blood circlulation, pharyngeal slits, and dorsal hallow nerve cord.
-
Pharyngeal slits and dorsal hallow nerve cord
Frage 6
Frage
Which of the following does NOT possess an amniotic egg?
Antworten
-
Fishes
-
Amphibians
-
Fishes and amphibians
-
Birds
-
Reptiles
Frage 7
Frage
The only taxonomic category that exists in nature is:
Antworten
-
Species
-
Genus
-
Family
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Class
-
Phylum
Frage 8
Frage
A new plant species is discovered in a tropical rain forest. It has flagellated sperms, xylem with vessels, separate gametophyte and sporophyte generations, and no seeds. Which plant is it most related to?
Antworten
-
Mosses
-
Conifers
-
Ferns
-
Liverworts
Frage 9
Frage
Which of the following statements on the biology of mosses is FALSE?
Antworten
-
They can grow in very harsh environments
-
A symbiosis between a moss and a fungus is known as lichen
-
They can tolerate drying out
-
Peat is a by-product of the growth of certain mosses
-
Mosses lack a vascular system
Frage 10
Frage
In the life cycle of all plants, there is alteration of generations. Which of the following is true?
Antworten
-
Haploid sporophytes make haploid spores
-
Gametophytes produce spores that develop into gametes
-
Sporophytes and gametophytes are typically similar in appearance
-
Meiosis in sporophytes produces haploid spores
-
In plants, the gametophytes is diploid
Frage 11
Frage
Which of the following is an example of gill fungus?
Antworten
-
Agaricus
-
Yeast
-
Rhizopus
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Phytophthora
-
Ulva
Frage 12
Frage
The sexual stage of Rhizopus is called:
Antworten
-
Sporangiophore
-
Zygosporangium
-
Septa
-
Hyphae
-
Zoospore
Frage 13
Frage
Laminaria belongs to the phylum:
Antworten
-
Chlorophyta
-
Rhodophyta
-
Phaeophyta
-
Bryophyta
-
Anthophyta
Frage 14
Frage
Which of the following statements about the female reproductive cycle is FALSE?
Antworten
-
Progesterone is mainly secreted by the corpus luteum
-
Testosterone is secreted by the posterior pituitary gland
-
LH triggers ovulation
-
LH and FSH are secreted by the anterior pituitary gland
-
Oestrogens and progesterone help maintain the endometrium (lining) of the uterus
Frage 15
Frage
The functional unit of the kidney is called:
Antworten
-
Cortex
-
Vasa recta
-
Nephron
-
Bladder
-
Glomerulus
Frage 16
Frage
In the nervous system, the mylein sheath:
Antworten
-
Is not a feature of the vertebrate nervous system
-
Wraps around a neurons dendrites
-
Is present on motor, but not sensory neurons
-
Helps electrical signals in neurons conduct more quickly
-
Produces electrical signals
Frage 17
Frage
The delay of 0.1 second at the AV node is:
Antworten
-
To allow the ventricles to fill
-
To allow the atria to fill
-
To allow blood to get to the feet and arms before another contraction occurs
-
To allow the ventricles to empty
-
None of the above
Frage 18
Frage
Which of the following statements are FALSE?
Antworten
-
As the partial pressure of oxygen decreases, haemoglobin gives up its oxygen more readily.
-
As the partial pressure of oxygen increases, haemoglobin gives up its oxygen more readily.
-
Higher temperature causes haemoglobin to give up oxygen more readily
-
Increased acidity causes haemoglobin to give up oxygen more readily
-
Each red blood cells contain about 280,000,000 haemoglobin molecules
Frage 19
Frage
Gastrin is a hormone that regulates:
Antworten
-
Digestive secretions from the pancreas
-
Digestive secretions in the stomach
-
Glucose storage in the liver
-
Water re-absorption in the kidney
-
Heart rate
Frage 20
Frage
Type II diabetes is associated with:
Antworten
-
Insulin deficiency or reduced response of target cells
-
Overproduction of glucagon
-
Overproduction of insulin
-
Inability to absorb glucose across the small intestine wall
-
None of the above
Frage 21
Frage
RNA differs from DNA, in that RNA:
Antworten
-
Contains ribose as its sugar
-
Is found only in the cytoplasm
-
Contains uracil instead of thymine
-
Contains ribose as its sugar and contains uracil instead of thymine
-
Contains ribose as its sugar, is found only in the cytoplasm and contains uracil instead of thymine
Frage 22
Frage
If one strand of DNA molecule has the sequence of bases 5'-ATTGCA-3', the other strand would have the sequence:
Antworten
-
3'-TAACGT-5'
-
3'-UAACGU-5'
-
3'-TUUCGU-5'
-
3'-TAAGCT-5'
-
3'-TUUGCT-5'
Frage 23
Frage
A particular triplet of bases in the coding sequence of DNA is AGT. The corresponding codon for mRNA transcribed is:
Frage 24
Frage
A recessive allele on the X chromosome is responsible for red-green color blindness in humans. A woman with normal vision whose father is color blind, marries a man whose color blind. What is the probability the couple's son will also be color blind?
Frage 25
Frage
In a population which is in Hardy-Weinberg equilibrium, the frequency of the allele a is 0.4. What is the percentage of the population which is heterozygous Aa for this allele?
Frage 26
Frage
Which of the following is associated with an open circulatory system?
Frage 27
Frage
Which of the following is associated with a closed circulatory system?
Frage 28
Frage
The vena cava carries:
Antworten
-
De-oxygenated blood away from the heart
-
Oxygenated blood towards the heart
-
De-oxygenated blood towards the heart
-
Oxygenated blood away from the heart
Frage 29
Frage
The aorta flows out from:
Antworten
-
The right ventricle
-
The left ventricle
-
The right atrium
-
The left atrium
Frage 30
Frage
The vena cava flows into:
Antworten
-
The right ventricle
-
The left ventricle
-
The right atrium
-
The left atrium
Frage 31
Frage
What vessel carries blood towards the lungs?
Antworten
-
The vena cava
-
The pulmonary vein
-
The pulmonary artery
-
The aorta
Frage 32
Frage
Name the types of blood in your cells:
Antworten
-
Red blood cells, White blood cells, Platelets
-
Red blood cells, White blood cells, haemoglobin
-
White blood cells, Platelets, haemocoel
-
White blood cells, haemocoel, Plasma
Frage 33
Frage
Name the order of layers that form in centrifuged blood?
Antworten
-
Red blood cells on top, White blood cells and platelets in centre, plasma on the bottom
-
Red blood cells on the bottom, White blood cells and platelets in centre, plasma on the top
-
Red blood cells on top, White blood cells and platelets on the bottom, plasma in the centre
-
Red blood cells on top, White blood cells and platelets on the bottom, plasma in the centre
There is no order when centrifuged and can vary
Frage 34
Frage
What is the main function of the red blood cells?
Antworten
-
To enable clotting
-
To fight off infection
-
To carry oxygen
-
All of the above
Frage 35
Frage
Would red blood cells enable you to carry out DNA Analysis?
Frage 36
Frage
What is the main function of the red blood cells?
Antworten
-
Where oxygen pressure is high, Hb takes up oxygen
-
Where oxygen pressure is low, Hb gives up oxygen
-
Where oxygen pressure is high, Hb gives up oxygen
Frage 37
Frage
What are the two main types of White blood cell?
Antworten
-
neutrophils and lymphocytes
-
neutrophils and basophils
-
basophils and lymphocytes
-
basophils and monocytes
Frage 38
Frage
If I am blood group A , what type of blood group(s) can I receive and who can I donate blood to?
Antworten
-
Receive from A,O Donate to A, AB
-
Receive from A,B Donate to A, AB
-
Receive from A,AB, Donate to A,O
-
Receive from AB, O, Donate to AB, O
Frage 39
Frage
What blood group is the universal donor and what group is the universal recipient?
Antworten
-
Universal Donor O, Universal Recipient O
-
Universal Donor AB, Universal Recipient O
-
Universal Donor O, Universal Recipient AB
-
Universal Donor AB, Universal Recipient AB
Frage 40
Frage
Which is the correct flow through the heart?
Antworten
-
Vena cava, left atrium, left ventricle, lungs, right atrium, right ventricle, Aorta, body/brain
-
Vena cava, right atrium, right ventricle, lungs, left atrium, left ventricle, Aorta, body/brain
-
Aorta, left atrium, right ventricle, lungs, right atrium, left ventricle, Vena cava, body/brain
-
Aorta, right atrium, right ventricle, lungs, left atrium, left ventricle, Vena cava, body/brain
Frage 41
Frage
What are the first 2 major divisions of the nervous system?
Frage 42
Frage
Which are the following statements is FALSE?
Antworten
-
Neurons carry electrical signals
-
Glial cells support the neurons in a variety of ways
-
Glial cells can also carry electrical signals
-
A Schwann cells is a type of Glial Cell
Frage 43
Frage
I touch a hot surface and immediately withdraw my hand, how is this best described?
Frage 44
Frage
Briefly explain the term ‘Resting Potential’
Antworten
-
There is mainly Na+ outside cell & mainly K+ inside
-
There is mainly K+ outside cell & mainly Na+ inside
-
There are equal amounts of K+ & Na+ outside & inside the cell
-
The Resting Potential is not influenced by K+ & Na+
Frage 45
Frage
What are the connections between neurons?
Antworten
-
Synapses
-
Dendrites
-
Axon
-
Neurotransmitter
Frage 46
Frage
What is sensory transduction?
Antworten
-
The ability of the eye to change its focus from distant to near objects (and vice versa).
-
The conversion of a sensory stimulus from one form to another.
-
Different sensitivities due to different photopigments.
-
An action potential in presynaptic cell causes it to release neurotransmitter e.g. acetylcholine (ACh)
Frage 47
Frage
Explain the term accommodation (regarding sight)
Antworten
-
My humble abode :)
-
The ability of the eye to change its focus from distant to near objects (and vice versa).
-
Having Rods and Cones residing in your eyes
-
Having different sensitivities due to different photopigments
Frage 48
Frage
Explain the difference between a cone and a rod?
Antworten
-
Cones are for colour vision and rods are for black and white
-
Cones are for summer and rods are for fishing
-
Cones are for black and white vision, rods are for colour
-
Cones are for bright lights and rods are for dim lights
Frage 49
Frage
Which of the following is in the correct order?
Antworten
-
Kingdom, phylum, class, order, family, genus, species
-
Kingdom, phylum, order, class, family, genus, species
-
Kingdom, class, order, phylum, family, genus, species
-
Kingdom, order, phylum, class, family, species, genus
Kingdom, phylum, order, family, class, genus, species
Frage 50
Frage
Who introduced the method of scientific naming called binomial nomenclature?
Frage 51
Frage
The biologist who proposed the biological species concept is:
Antworten
-
Linnaeus
-
Darwin
-
Mayr
-
Watson
-
Crick
Frage 52
Frage
The eukaryotes belong to 3 monophyletic Kingdoms & 1 paraphyletic kingdom, name these
Antworten
-
Prokaryotes, Plantae, Fungi, Animalia
-
Plantae, Fungi, Animalia, Protists
-
Protists, Prokaryotes, Fungi, Plantae
-
Protists, Prokaryotes, Fungi, Animalia
Frage 53
Frage
What distinguishes a protist from a protozoan?
Antworten
-
Protists are single celled
-
Protists are a type of protozoan
-
Protozoans are a type of protist
-
Protists are prokaryotes
Frage 54
Frage
Which of the following characteristics of the Protists are correct?
Antworten
-
Can be single celled or multicellular
-
Groups include protozoans and algae
-
Specific single celled examples include amoeba, paramecium and plasmodium
-
Slime moulds are part of this group
-
All the above are true
Frage 55
Frage
What phylum do the sponges belong to?
Antworten
-
Cnidaria
-
Annelida
-
Protists
-
Animalia
-
Porifera
Frage 56
Frage
Which of these only includes terms associated with the Cnidaria
Antworten
-
Hydra, medusa, spicules, polyp, nerve net, muscles
-
Polyp, medusa, collar cells, protist
-
Cnidoblasts, unicellular, single celled, polyp, nerve net, muscles,
-
Cnidoblasts, medusa, polyp, hydra, nerve net, muscles, multicellular
Frage 57
Frage
Animals found within the Phylum Cnidaria include:
Antworten
-
Jellyfish, coral, sponge, starfish, Urchin
-
Coral, anemone, Hydra, sea cucumber
-
Jellyfish, coral, sponge,anemone, hydra
-
Anemone, jellyfish, coral, hydra,
-
Jellyfish, Anemone, Coral and Nemo
Frage 58
Frage
What method of reproduction do green algae use under optimum conditions?
Antworten
-
Sexual
-
Asexual
-
Nonsexual
-
Bisexual
Frage 59
Frage
What is the dominant phase in the life cycle of Lamina digitata?
Antworten
-
Sporophyte
-
Gametophyte
-
Phaeophyte
-
Chorophyte
-
Rhodophyte
Frage 60
Frage
Which of the following are correct?
Antworten
-
Fungi is able to photosynthesise like plants
-
Fungi are white
-
Fungi does not live off the shores of Dingle
-
Fungi is a kingdom with both unicellular and multicellular species
-
Fungi have a prokaryotic cell structure
Frage 61
Antworten
-
Fusion of the cytoplasm
-
Fusion of the nuclei
-
Fusion of the cell wall
-
Fungi fusion
Frage 62
Frage
Eukaryotes evolved from prokaryotes by a process of:
Antworten
-
Exosymbiosis
-
Entersymbiosis
-
Indosymbiosis
-
Symbiosis
-
Endosymbiosis
Frage 63
Frage
Explain the ‘Alternation of Generations’
Antworten
-
Haploid organism (sporophyte) makes zygote diploid organism (gametophyte), which makes sex cells haploid organism (gametophyte)
-
Haploid organism (gametophyte) makes sex cells diploid organism (sporophyte), which releases spores haploid organism (gametophyte)
-
Haploid organism (gametophyte) makes sex cells diploid organism (sporophyte), which releases zygotes diploid organism (gametophyte)
-
None of these are correct
Frage 64
Frage
Which of the following are not reliant on water to reproduce?
Frage 65
Frage
I lack true conducting tissues, leaves and roots. My gametophyte is my dominant phase and my sporophyte is dependent upon it. I require water for fertilization so I need to grow in moist or seasonally moist habitats. What am I?
Antworten
-
Algae
-
Angiosperm
-
Bryophyte
-
Fern
-
Gymnosperm
Frage 66
Frage
I have true conducting tissues (xylem and phloem), leaves, stems and roots. My sporophyte is the dominant phase and the gametophyte is much reduced. What am I?
Antworten
-
Algae or a Angiosperm
-
Bryophyte or a fern
-
Gymnosperm or Fern
-
Angiosperm
Frage 67
Frage
What is an example of a seedless, vascular plant?
Antworten
-
Algae
-
Fern
-
Bryophyte
-
Angiosperm
-
Gymnosperm
Frage 68
Frage
Is a Daffodil is a Monocot or a Dicot?
Frage 69
Frage
What is the function of Lignin?
Antworten
-
Transports water and dissolved minerals
-
Transports food
-
Plays a role in conducting water in plant stems
-
Allows gases such as carbon dioxide, water vapour, and oxygen to move rapidly into and out of the leaf
Frage 70
Frage
Which of these is False?
Antworten
-
The dominant stage of an angiosperm is the sporophyte
The dominant stage of a bryophyte is the gametophyte
The dominant stage of a gymnosperm is the sporophyte
The dominant stage of a fern is the gametophyte
-
The dominant stage of an angiosperm is the sporophyte
-
The dominant stage of a bryophyte is the gametophyte
-
The dominant stage of a gymnosperm is the sporophyte
-
The dominant stage of a fern is the gametophyte
Frage 71
Frage
The Base G always bonds to Base C ?
Frage 72
Antworten
-
A basic amino acid
-
The building block of DNA
-
The sugar in RNA nucleotides
-
The sugar in DNA nucleotides
-
A fatty acid incorporated into triacylglycerols
Frage 73
Frage
Which of the following statements is FALSE?
Antworten
-
In DNA the base A pairs with the base T
-
In DNA the base C pairs with the base G
-
In DNA the base U pairs with the base A
-
In RNA the base U is used instead of base T
-
In DNA base pairing follows Chargaff’s rule
Frage 74
Frage
What is the difference between a nucleoside and nucleotide?
Frage 75
Frage
Where would you find an anticodon?
Antworten
-
mRNA
-
tRNA
-
in a protein
-
in a ribosome
Frage 76
Frage
Where would you find a codon?
Antworten
-
mRNA
-
tRNA
-
in a protein
-
in a ribosome
Frage 77
Frage
What does tRNA help to do?
Antworten
-
Copy mRNA
-
Join the large and small subunits
-
Carry genetic information
-
Put amino acids in the right place
Frage 78
Frage
At which site does tRNA enter the large subunit?
Frage 79
Frage
Which sections carry genes?
Frage 80
Frage
Which statement is FALSE?
Antworten
-
Mitosis results in 2 diploid cells
-
Meiosis results in 4 haploid cells
-
Meiosis results in 2 haploid cells
-
Mitosis occurs in somatic cells
Frage 81
Antworten
-
The position of a gene on a chromosome
-
An alternative form of a gene
-
The sum of an individual’s genetic information
-
Only visible in the F1 generation
Frage 82
Antworten
-
The position of a gene on a chromosome
-
The position of an allele on a chromosome
-
Singular of loci
-
The same for two alleles of the same gene on homologous chromosomes
Frage 83
Frage
The frequency of crossing over between any two linked genes is:
Antworten
-
Higher if they are recessive
-
Difficult to predict
-
Determined by their relative dominance
-
The same as if they were not linked
-
Proportional to the distance between them
Frage 84
Frage
Platyhelminthes are:
Antworten
-
Tripoblastic coelomates
-
Dipoblastic coelomates
-
Tripoblastic acoelomates
-
Dipoblastic acoelomates
Frage 85
Frage
What is true of Nematoda?
Antworten
-
They have a circulatory system
-
They lack an alimentary canal
-
Includes earthworms
-
Have an alimentary canal, but lack a circulatory system
Frage 86
Frage 87
Frage 88
Antworten
-
Radially symmetrical
-
Asymmetrical
-
Bilaterally symmetrical
Frage 89