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Biology Quiz Final

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Entrance Biology Quiz on Biology Quiz Final, created by Digital Growth on 18/03/2017.
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Quiz by Digital Growth, updated more than 1 year ago
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Question 1

Question
Which of the following is a not a characteristics of Telomeres
Answer
  • Unicellular Eukaryotes
  • Cancer Cells
  • Blood Cells
  • Limited Cell Division

Question 2

Question
[blank_start]Cell aging[blank_end] and [blank_start]apoptosis[blank_end] may relate to telomere shortening
Answer
  • Cell aging
  • apoptosis

Question 3

Question
Telomerase can extend chromosomes by Diving more repeat sequence to their ends
Answer
  • True
  • False

Question 4

Question
Which one of the following answers may best suit "Cells lose ability to divide after limited number of cell division"
Answer
  • Centromere
  • Telomere
  • Diploid
  • Chromatid

Question 5

Question
In which year radioactively labeled bacteriophage protein and DNA where used to see which entered infected cell
Answer
  • 1950
  • 1952
  • 1960
  • 1962

Question 6

Question
[blank_start]Hershey[blank_end] and [blank_start]Chase[blank_end] showed that when bacteriophages, which are composed of DNA and protein, infect bacteria, their DNA enters the host bacterial cell, but most of their protein does not.
Answer
  • Hershey
  • Chase

Question 7

Question
Genetic Materials is
Answer
  • DNA
  • Protien
  • RNA
  • Nucleic Acid

Question 8

Question
Genes were protein before they were invented
Answer
  • True
  • False

Question 9

Question
Elements _____ &_____are found in proteins and DNA
Answer
  • S & P
  • S & Zn
  • P & Mg
  • P & H

Question 10

Question
Who made the DNA Photographic plate
Answer
  • Rosalind Franklin
  • Francis Crick
  • Raymond Gosling
  • Salvador Luria

Question 11

Question
In which year the Model of DNA based on X-ray diffraction proposed
Answer
  • 1921
  • 1951
  • 1953
  • 1923

Question 12

Question
Who proposed the model of DNA based on X-ray diffraction
Answer
  • James Watson & Hershey
  • Marie &Francis Crick
  • Chase & James Watson
  • James Watson & Francis Crick

Question 13

Question
What is shown in the image
Image:
26465046-999f-4845-adbc-4ca0b490ca88 (image/jpeg)
Answer
  • Nucleic acid structure & Nucleotide Residues
  • Nucleotide Residues & Nucleic Protein
  • Nucleic Protein & Nucleic acid
  • Nucleic acid & Nucleic protiens

Question 14

Question
[blank_start]1871[blank_end] Nucleus is known to be a mixture of DNA,RNA and Protein [blank_start]1928[blank_end] Substance in heat-killed bacteria that transforms living bacteria [blank_start]1944[blank_end] Identification of Griffith's transforming principle as DNA [blank_start]1949[blank_end] Relationships among DNA bases that provide a clue to DNA structure
Answer
  • 1871
  • 1928
  • 1944
  • 1949
  • 1928
  • 1871
  • 1949
  • 1944
  • 1871
  • 1944
  • 1928
  • 1949
  • 1871
  • 1928
  • 1944
  • 1949

Question 15

Question
Which of the following are Nucleotide components
Answer
  • Adenine
  • Guanine
  • Thymine
  • Adrenaline
  • Tourmaline
  • Cytosine

Question 16

Question
Nucleotide base A and T forms
Answer
  • 2 H bonds
  • 3 H bonds
  • 1 H bonds
  • 0 H bonds

Question 17

Question
Nucleotide base G and C forms
Answer
  • 2 H bonds
  • 3 H bonds
  • 1 H bonds
  • 0 H bonds

Question 18

Question
Pentose Sugar : Deoxyribose (H attached to 2' C) Nitrogenous base attached to [blank_start]1[blank_end]' C Phosphate group attached to [blank_start]5[blank_end]' C
Answer
  • 1
  • 3
  • 7
  • 4
  • 6
  • 2
  • 5
  • 0

Question 19

Question
Name the following parts
Image:
f5fc43b9-364d-4f57-abbe-d144e64bb2ef (image/jpeg)
Answer
  • Nucleotide
  • Phosphate group
  • Phosphodiester
  • Deoxyribose
  • Nucleotide
  • Phosphate group
  • Phosphodiester
  • Deoxyribose
  • Nucleotide
  • Phosphate group
  • Phosphodiester Lingage
  • Deoxyribose
  • Nucleotide
  • Phosphodiester Linkage
  • Deoxyribose
  • Phosphate group

Question 20

Question
Spot the diffrence
Image:
72a0f065-d942-4f91-bcef-85a8d772cbba (image/jpeg)
Answer
  • Both A. and B. are Deoxyribonucleic acid
  • Only A. is Deoxyribonucleic acid
  • A. and B. are Deoxyribonucleic acid
  • A is Deoxyribonucleic acid and B is Ribonucleic acid

Question 21

Question
Paired nucleotide runs anti parallel
Answer
  • True
  • False

Question 22

Question
Each stands of DNA has [blank_start]3[blank_end]' End and [blank_start]2[blank_end]' End
Answer
  • 3
  • 2

Question 23

Question
DNA 3' end has exposed
Answer
  • OH group on 3' C of deoxyriose
  • OH group on 2'C deoxyriose
  • OH group on 5'C deoxyriose
  • OH group on 1'C deoxyriose

Question 24

Question
DNA 5' end has an exposed phosphate group on the
Answer
  • 5' C Deoxyribose
  • 2' C Deoxyribose
  • 3' C Deoxyribose
  • 4' C Deoxyribose

Question 25

Question
Nucleotide strands are complimentary due to
Answer
  • Twin Base rule
  • Twin paring rule
  • Base pairing rule
  • Odd Paring rule

Question 26

Question
Part A : Purine number ≠ pyrimidine number Part B : A=T ; G=C
Answer
  • Part A and B are true
  • Part A is true and B is false
  • Part A is False and Part B is true
  • Part A and B are false

Question 27

Question
If Nucleotide sequence of one strand is known, sequence can be
Answer
  • Defined
  • Pridicted
  • Partly predicted
  • Never Defined

Question 28

Question
a.How many hydrogen bonds are present between Adenine and thymine. b.How many hydrogen bonds are present between Guanine and cytosine.
Answer
  • 2 and 6
  • 2 and 3
  • 3 and 5
  • 2 and 5

Question 29

Question
Who confirmed the semi-conservative replication of DNA.
Answer
  • Francis
  • Meselson
  • Thomas
  • Marie

Question 30

Question
Double Helix produced during DNA replications consists of _____ parent strand(s) and _____new complementary strand(s)
Answer
  • 1 and 2
  • 2 and 2
  • 1 and 1
  • 2 and 3

Question 31

Question
Name the Following Hypothesis of DNA Replication
Image:
147a29e4-b23d-4ead-8396-313e5831b91f (image/jpeg)
Answer
  • Semiconservative
  • Conservative
  • Dispersive
  • Semi Dispersive
  • Semiconservative
  • Conservative
  • Dispersive
  • Semidispersive
  • Semiconservative
  • Conservative
  • Disprative
  • Semidisorative

Question 32

Question
How does DNA replication prevent super-coiling.
Answer
  • By breaking and rejoining one DNA
  • By breaking and rejoining one DNA or Both
  • By breaking one DNA
  • By rejoining one both the DNA

Question 33

Question
_________________ relieve tension created by unwinding localized areas of DNA
Answer
  • Topoisomerases
  • Toposomes
  • Catenation
  • Knotting

Question 34

Question
DNA replication is bidirectional
Answer
  • True
  • False

Question 35

Question
______________chromosomes have a single origin of replication ______________chromosomes have multiple origins of replication
Answer
  • Prokaryotic & Prokaryotic
  • Eukaryotic & Prokaryotic
  • Eukaryotic & Eukaryotic
  • Prokaryotic & Eukaryotic

Question 36

Question
Synthesis continues until adjacent replication forks meet
Answer
  • True
  • False

Question 37

Question
Order the replication process
Image:
80c473a6-caab-44df-a0d7-66d62c56f1a4 (image/jpeg)
Answer
  • dcab
  • badc
  • abcd
  • cdab

Question 38

Question
Every living organism must get energy from food molecules that they make or obtain from environment
Answer
  • True
  • False

Question 39

Question
______________________ is a catabolic process where chemical bond energy of food molecules transferred to ATP
Answer
  • Cellular respiration
  • Molecular respiration
  • Intracellular respiration
  • Metabollic respiration

Question 40

Question
Most organisms use [blank_start]aerobic[blank_end] cellular respiration
Answer
  • aerobic

Question 41

Question
Food is broken down into [blank_start]Carbon dioxide[blank_end] and [blank_start]Water[blank_end]
Answer
  • Carbon dioxide
  • Carbon monoxide
  • Carbon Hydroxide
  • Water
  • Sodium
  • Nitrogen

Question 42

Question
How much ATP is produced per GULCOSE
Answer
  • 36.38 ATP's
  • 37.38 ATP's
  • 32.38 ATP's
  • 36.10 ATP's

Question 43

Question
What are the four Stages of Aerobic Respiration Stage 1 : [blank_start]Glycolysis[blank_end] Stage 2 : [blank_start]Formation of acetyl coenzymes[blank_end] Stage 3 : [blank_start]Citric acid Cycle[blank_end] Stage 4 : [blank_start]Chemioosmosis[blank_end]
Answer
  • Glycolysis
  • Lactic acid cycle
  • Formation of acetyl coenzymes
  • Formation of citric acid
  • Citric acid Cycle
  • Formation of acetyline
  • Chemioosmosis
  • Sulfur Excretion

Question 44

Question
Glycolysis occur in 3 phases
Answer
  • True
  • False

Question 45

Question
Define the equation " glucose + 2 ATP → 2 G3P + 2 ADP → 2G3P + 2NAD+ + 4ADP → 2 pyruvate + 2NADH + 4ATP "
Answer
  • Glycolsis
  • Citric Acid Cycle
  • Chemosmosis
  • Acetyle coencyme

Question 46

Question
What are the Net products of glycolysis
Answer
  • 2 ATPs
  • 5 ATPs
  • 2 NADHs
  • 1 NADHs
  • 2 pyruvates
  • 1 pyruvates

Question 47

Question
What are the Citric acid cycle products per glucose
Answer
  • 6 NADH, 2 FADH2
  • 5 NADH, 2 FADH2
  • 2 ATP
  • 3 ATP
  • 4 CO2
  • 3 CO2

Question 48

Question
Each Citrate begins a “cycle” of ______ subsequent reactions,
Answer
  • Six
  • Seven
  • Three
  • Two

Question 49

Question
Name the following blanks
Image:
ac26c771-04e8-48df-8bbc-a1447ea2ca8e (image/jpeg)
Answer
  • Acetyl Coenzyme A
  • Coenzyme
  • Citrate
  • Carbon Compound
  • Acetyl coenzyme
  • Citrate
  • 4 carbon compound
  • Oxaloacetate
  • 5 carbon compound
  • 3 carbon compound
  • 1 carbon compound
  • 4 carbon compound
  • 4 carbon bond
  • 5 carbon bond
  • 2 carbon bond
  • 3 carbon bond
  • Oxaloacetate
  • 4 carbon compound
  • citrate
  • 5 carbon compound

Question 50

Question
Their high-energy electrons lose energy as they pass from one electron acceptor molecule to another
Answer
  • True
  • False

Question 51

Question
Electron acceptors/carriers are usually transmembrane proteins embedded in cristae
Answer
  • True
  • False

Question 52

Question
" Establishes proton gradient and Free energy released from electron transporting used to pump H+ across cristae" Best suits which one of the following
Answer
  • Oxidative Phosphorylation
  • Electron Transport Chain
  • Citric cycle
  • Acetyl

Question 53

Question
What does Electron Transport Chain mean ?
Answer
  • An electron transport chain is a series of complexes that transfer electrons from electron donors to electron acceptors via redox reactions, and couples this electron transfer with the transfer of protons across a membrane.
  • An electron transport chain is a series of complexes that transfer electrons from donors to electron acceptors via hypothermic reactions, and couples this proton transfer with the transfer of protons across a membrane.
  • An electron transport chain is a series of complexes that transfer electrons from electron donors to electron acceptors via endothermic reactions, and this electron transfer with the transfer of protons across a membrane.
  • An electron transport chain is a series of complexes that transfer electrons from electron donors to electron acceptors via Exothermic reactions, and couples this electron transfer with the transfer of protons across a membrane.

Question 54

Question
Can Amino acids be broken down to produce ATP ?
Answer
  • Maybe
  • Yes
  • No
  • None of the above

Question 55

Question
Define the image
Image:
a098e1a0-9ee4-482e-b639-d7669743425e (image/jpeg)
Answer
  • Amino Acid
  • Erepsin
  • Leucines
  • Nucleic acid sequence 1

Question 56

Question
Define the equation
Image:
be2e7c38-cd28-4803-b9f1-880744685f85 (image/jpeg)
Answer
  • Citric cycle
  • Dietary lipids
  • ECH
  • Glycolysis

Question 57

Question
Anaerobic Respiration Does use O2 as final electron acceptor
Answer
  • True
  • False

Question 58

Question
Anaerobic respiration uses [blank_start]inorganic[blank_end] substance as final electron acceptor during electron transport chain
Answer
  • inorganic

Question 59

Question
Fermentation best suits
Answer
  • Anaerobic process that does not use electron transport chain
  • Does not use O2 as final electron acceptor
  • Uses inorganic substance as final electron acceptor during electron transport chain
  • Produces 5 ATP/glucose by substrate-level phosphorylation during glycolysis

Question 60

Question
Pyruvate is not end product of fermentation
Answer
  • True
  • False

Question 61

Question
NADH produced during glycolysis must not be converted back to NAD+ to allow glycolysis to continue
Answer
  • True
  • False

Question 62

Question
In ____________________ Pyruvate converted to 2-C ethyl alcohol (2-C) and CO2
Answer
  • Alcohol fermentation
  • Fermentation
  • Pyruvate fermentation
  • Anaerobic fermentation

Question 63

Question
Yeasts are facultative anaerobes Used in brewing
Answer
  • True
  • False

Question 64

Question
Does Bacteria & Virus use Lactate (lactic acid) fermentation
Answer
  • True
  • False
  • Bacteria uses but virus does not
  • Virius uses but bacteria does not

Question 65

Question
Is "Oxygen" needed for sustained activity in lactic fermentation
Answer
  • Yes
  • No
  • Yes but not necessarily needed
  • No but better to have it

Question 66

Question
Who is the father of heredity.
Answer
  • Gregor Mendel
  • Charles Darwin
  • Racheal Carlson
  • Robert hooke

Question 67

Question
When did Mendel Die?
Answer
  • 1884
  • 1885
  • 1883
  • 1880

Question 68

Question
What plant did mendel use for his expirmient
Answer
  • Cucumer
  • Pea
  • Carrot
  • Sun Flower

Question 69

Question
How many phenotypic traits did mendel study
Answer
  • Seven
  • Eight
  • Six
  • Five

Question 70

Question
Homologous chromosomes carry same genes, but can carry different alleles of those genes
Answer
  • True
  • Partly True
  • False
  • None of the Aove

Question 71

Question
What is a Locus
Answer
  • Physical location where a gene resides on a chromosome
  • Physical location where a gene resides on a Nucleic acid
  • Physical location where a Amino acids resides on a chromosome
  • Physical location where a gene resides on a Metabolic cell

Question 72

Question
Which of the following is Not Mendel’s Principle of Segregation
Answer
  • Alleles separate during formation of reproductive cells
  • In F2 generation, fertilization involving two t gametes allowed short phenotype to reappear
  • Homologous chromosomes carry same genes
  • F1 generation gametes contained dominant tall allele (T) OR recessive short allele (t)

Question 73

Question
Understanding inheritance of single trait (locus) with two alleles
Answer
  • Mono Hybrid Cross
  • Theory of evolution
  • Dihybrid Cross
  • Genetic Terminology

Question 74

Question
Tracks inheritance of two traits, governed by genes on nonhomologous chromosomes
Answer
  • Dihybrid Cross
  • Mono hybrid cross
  • Theory of Evolution
  • Mendel's Experiment

Question 75

Question
In Dihybrid cross F1 individuals produce four gametes types with equal probability namely
Answer
  • BS, Bs, bS, bs
  • BS, Bs,BS, Bs,
  • bS, bs,BS, Bs,
  • Bs, Bs, bs, bs

Question 76

Question
In F2 generation Predictable phenotype ratio is
Answer
  • 9:3:3:1
  • 9:3:3:3
  • 9:2:1:2
  • 5:1:5:2

Question 77

Question
Which one is Not Mendel’s Principle of Independent Assortment
Answer
  • Alleles on nonhomologs distributed randomly into gametes,independently of one another
  • Random orientation of homologous chromosomes in metaphase II
  • In guinea pigs, assortment of B and b alleles not affected by assortment of S and s alleles
  • B allele equally likely to end up in a gamete with S or s allele

Question 78

Question
Thomas Hunt Morgan’s work with fruit flies Took place in ___________expanded genetics knowledge.
Answer
  • Early 1900
  • Early 1920
  • Late 1900
  • Late 1920

Question 79

Question
What are sex chromosomes?
Answer
  • Genes which largely determine gender in most eukaryotes
  • Genes which largely determine gender in most prokaryotes
  • Genetics which determine gender in some eukaryotes
  • Genetics which termine gender in most eukaryotes

Question 80

Question
In mammals, birds and many insects, sex-determining genes on sex chromosomes are
Answer
  • Female mammals XX Male mammals YY
  • Female mammals XY Male mammals YY
  • Female mammals YX Male mammals XX
  • Female mammals XX Male mammals XY

Question 81

Question
Sex determination in animals [blank_start]X-Y[blank_end] system Mammals Including Humans [blank_start]X-O[blank_end] system Certain Insects [blank_start]Z-W[blank_end] system Birds, Fishes and some insects [blank_start]Haplo-Diploid[blank_end] system Most bees and Ants
Answer
  • X-Y
  • X-K
  • Z-W
  • Z-H
  • X-T
  • X-W
  • X-O
  • X-I
  • X-X
  • Haplo-Diploid
  • X-A
  • X-N

Question 82

Question
During early [blank_start]embryonic[blank_end] development, random inactivation of one X chromosome occurs in somatic cells
Answer
  • embryonic

Question 83

Question
If ___________ heterozygous is for X-linked trait, one allele expressed in half of the body, other allele expressed in the other half
Answer
  • Male
  • Female
  • None of the above as it has not een devleoped

Question 84

Question
Cats carry one of their fur color genes on___chromosome
Answer
  • X
  • Y
  • H
  • XY

Question 85

Question
In which of the following a Heterozygote has intermediate phenotype
Answer
  • Mono Hybrid cross
  • Dihybrid Cross
  • Incomplete Dominence
  • Genectiic Variation

Question 86

Question
Heterozygote simultaneously expresses phenotype of both homozygotes relates to
Answer
  • Codominance
  • Monohybrid cross
  • Dihybrid cross
  • Incomplete Dominance

Question 87

Question
What is Pleiotropy?
Answer
  • Ability of one gene to affect multiple traits
  • Ability of one gene to affect two traits
  • Ability of one gene to affect one traits
  • Ability of one gene to affect no traits

Question 88

Question
Alleles from different loci interact to determine phenotype is GENE INTRACTION
Answer
  • True
  • False

Question 89

Question
Human skin color determined by 7 genes
Answer
  • True
  • False

Question 90

Question
Genetically identical individuals may develop differently in different environments
Answer
  • True
  • False

Question 91

Question
Human height is polygenic
Answer
  • True
  • False

Question 92

Question
_____________ is condensed chromatin
Answer
  • Chromosome
  • Telomeres
  • Keratin
  • Lipids

Question 93

Question
Name the parts
Image:
21529ad1-85af-4d1d-8434-85938d0682c7 (image/jpeg)
Answer
  • Nucleus
  • Nuclear pores
  • Nucleus Envelope
  • Chromatin
  • Nucleolus
  • Cisternae

Question 94

Question
1 nucleosome =_____ histone protein and _____ base pairs of DNA
Answer
  • 8 and 142
  • 7 and 146
  • 6 and 142
  • 8 and 146

Question 95

Question
What do you see in the picture given
Image:
09b5242d-3386-484f-a12c-2259d33c09e9 (image/jpeg)
Answer
  • DNA without Histones
  • DNA with Histones
  • Basic Structure of DNA
  • None of the above

Question 96

Question
What happens during Prophase ?
Answer
  • The nucleosome condenses into many tight small chromosomes
  • The nucleosome condenses into many loose small chromosomes
  • The nucleus decays into many tight small chromosomes
  • The nucleosome condenses into many tight large chromosomes

Question 97

Question
Bacterial chromosome have histone
Answer
  • True
  • False

Question 98

Question
Bacterial chromosome have histone
Answer
  • True
  • False

Question 99

Question
Which of the following answers best suit >Epithelial cells undergo mitosis constantly >Mature blood cells don't divide > Stem cells in the bone marrow divide.
Answer
  • Eukaryotic Cell Cycle
  • Prokaryotic Cell Cycle
  • Citric Cycle
  • Lipids cell cycle

Question 100

Question
Cardiac muscles can change and grow new muscle but skeletal muscles cannot repair and remodel gradually.
Answer
  • True
  • False

Question 101

Question
What does Coenocytic means [blank_start]multinucleate[blank_end]
Answer
  • multinucleate

Question 102

Question
Interface G1 phase ([blank_start]first gap[blank_end] phase) • S phase ([blank_start]synthesis[blank_end] phase) • G2 phase ([blank_start]second gap[blank_end] phase)
Answer
  • first gap
  • Synthesis phase
  • Synthesis
  • First Gap
  • Second Gap
  • Second Gap
  • Second gap
  • Synthesis
  • First Gap

Question 103

Question
What happens during S phase (synthesis phase)
Answer
  • Centrioles duplicated
  • Histone proteins synthesized
  • DNA replicates
  • Protein synthesis increases
  • Cell Grows and Prepares for S shape

Question 104

Question
Mitosis is a Continuous process of five stages
Answer
  • True
  • False

Question 105

Question
Order the stages of Mitosis [blank_start]Prophase[blank_end] [blank_start]prometaphase[blank_end] [blank_start]metaphase[blank_end] [blank_start]anaphase[blank_end] [blank_start]telophase[blank_end]
Answer
  • Prophase
  • Prometaphase
  • Metaphase
  • Anaphase
  • Telophase
  • Prometaphase
  • Prophase
  • Metaphase
  • Anaphase
  • Telophase
  • Metaphase
  • Prophase
  • Prometaphase
  • Anaphase
  • Telophase
  • Anaphase
  • Prophase
  • Prometaphase
  • Metaphase
  • Telophase
  • Telophase
  • Anaphase
  • Metaphase
  • Prometaphase
  • Prophase

Question 106

Question
_______________ is a protein where the microtubules attach to the chromosomes.
Answer
  • Kinetochore
  • Lipids
  • Chromatids
  • Centromere

Question 107

Question
What happens during Prometaphase?
Answer
  • Nuclear envelope fragments
  • Cytoskeleton disassembled
  • Mitotic spindle begins to form
  • Cytoskeleton assembled

Question 108

Question
During Anaphase the sister chromatids separate
Answer
  • True
  • False

Question 109

Question
Name the images
Image:
cc991dae-5c72-4f6f-950a-c982c4e3e47d (image/jpeg)
Answer
  • Interphase
  • Prophase
  • Prometaphase
  • Metaphase
  • Anaphase
  • Telophase

Question 110

Question
Prokaryotes use binary fission
Answer
  • True
  • False

Question 111

Question
Asexual reproduction in eukaryotes uses mitosis
Answer
  • True
  • False

Question 112

Question
Sexual reproduction in eukaryotes involves mitosis
Answer
  • True
  • False

Question 113

Question
Ploidy Contain only one member of each homologous chromosome pair
Answer
  • True
  • False

Question 114

Question
In plants, fungi and some protists, meiosis does directly yield haploid gametes
Answer
  • True
  • False

Question 115

Question
shorter wave lengths = less energy
Answer
  • True
  • False

Question 116

Question
Humans detect photons that correspond to UV portion of electromagnetic spectrum
Answer
  • True
  • False

Question 117

Question
Which one has the longest wavelength
Answer
  • Microwaves
  • Visible Light
  • X-rays
  • Gamma Rays

Question 118

Question
When certain types of molecules absorb____________, an electron becomes energized
Answer
  • Photons
  • Neutrons
  • Electrons
  • None

Question 119

Question
What is pigment of light
Answer
  • A molecule that can be exited by light
  • A molecule that can be destroyed by light
  • A molecule that can be split by light
  • A molecule that can be pigmented by light

Question 120

Question
____________________ cells have chloroplast, and they are the ones that perform photosynthesis.
Answer
  • Parenchyma
  • Lipids
  • Cellular
  • Respiratory

Question 121

Question
Chlorophylls a and b absorb ________ and _______ light
Answer
  • Green and blue
  • Blue and red
  • Red and green
  • Red and Yellow

Question 122

Question
Chlorophyll______ is primary photosynthetic pigment
Answer
  • a
  • b
  • ac
  • ab

Question 123

Question
Carotenoids absorb _______ and________ light
Answer
  • Blue and blue-green
  • Red and Yellow-green
  • Green and yellow-red
  • Blue and blue-red

Question 124

Question
Energy is transferred from pigment to pigment till it reaches chlorophyll " a ", and the wavelength is Decreased
Answer
  • True
  • False

Question 125

Question
Light energy is converted to chemical energy in [blank_start]Photosynthesis[blank_end]
Answer
  • Photosynthesis

Question 126

Question
Photosystem are made up of __________ and pigments.
Answer
  • Proteins
  • Carbon
  • Oxygen
  • Nitrogen

Question 127

Question
Photosystem I (P720) is one of the types of photostem
Answer
  • True
  • False

Question 128

Question
Light-Dependent Reactions Begin when pigment molecule absorbs photon
Answer
  • True
  • False

Question 129

Question
1 electron is donated from the reaction center chlorophyll " A " when the photon reaches the chlorophyll " A "pigment. So two electrons are produced in total and start an [blank_start]electron transport chain[blank_end].
Answer
  • electron transport chain

Question 130

Question
What does best suit Photophosphorylation?
Answer
  • During light-dependent reactions, synthesis of ATP coupled to transport of electrons originally energized by photons
  • During light-dependent reactions, synthesis of ATP coupled to transport of photons originally energized by Electrons
  • Electrons flow two at a time
  • Each Photophosphorylation has a reaction center

Question 131

Question
What is the use of Photoposporalation
Answer
  • Used to pump protons across thylakoid membrane from stroma to thylakoid lumen
  • Used to Absorb protons across thylakoid membrane Using stroma and thylakoid lumen
  • Used to Excrete Electrons across thylakoid membrane Using stroma and thylakoid lumen
  • Used to pump Protiens across thylakoid membrane from stroma to thylakoid lumen

Question 132

Question
What is shown in the given image
Image:
df9c189f-e29d-499e-a262-599c695a50e0 (image/jpeg)
Answer
  • Light-Dependent Reation
  • Nitrogen Fixation Reaction
  • Photophosphorylation Reaction
  • Carbon Fixation reaction

Question 133

Question
Calvin cycle occurs in [blank_start]stroma[blank_end]
Answer
  • stroma

Question 134

Question
Carbon Fixation Reactions are also known as C3 pathway
Answer
  • True
  • False

Question 135

Question
What are the three phases of carbon fixation
Answer
  • Carbon reduction phase
  • Nitrogen reduction phase
  • RuBP regeneration phase
  • RuBB regeneration phase
  • Carbon dioxide uptake Phase
  • Carbon uptake Phase

Question 136

Question
Carbon fixation requires CO2 and light (indirectly)
Answer
  • True
  • False

Question 137

Question
Some plants use C3 pathway to fix carbon prior to Calvin cycle
Answer
  • True
  • False

Question 138

Question
What does "CAM " in Pathway stand for
Answer
  • Crassulacean acid metabolism
  • Crassulacean angular metabolism
  • Crassulacean acid mitosis
  • Carbon acid metabolism

Question 139

Question
The sourses of genetic variation during miosios are:
Answer
  • They Result in Daughter cell
  • Crossing Over and Random Assortment of meternal and paternal homologs
  • Synapis and mutation
  • Crossing over and random pairing of tetrads

Question 140

Question
What is a dominant allele
Answer
  • Having two different Allele for a gene
  • Determines phenotype is hetrozygote
  • The Genetic Makup of a person
  • More Common In a population

Question 141

Question
A barr body in a mammalian female cell represents
Answer
  • Inactivated X Chromosome
  • Activate X Chromosome
  • A polor body
  • An inactivated oolycte

Question 142

Question
In snapdragons, heterozygotes for one of the genes have pink flowers, whereas homozygotes have red or white flowers. When plants with red flowers are crossed with plants with white flowers, what proportion of the offspring will have pink flowers?
Answer
  • 25%
  • 75%
  • 50%
  • 100%

Question 143

Question
when crossing an organism that is homozygous recessive for a single trait with a heterozygote what is the chance of producing an offspring with homozygous recessive phenotype
Answer
  • 100%
  • 50%
  • 75%
  • 25%

Question 144

Question
Black fur in mice (B) is dominant to brown fur (b). Short tails (T) are dominant to long tails (t). these two traits are unlinked what fraction of the progeny of the cross BbTt x BbTt will have black fur and long tails
Answer
  • 1/2
  • 3/4
  • 9/16
  • 3/16

Question 145

Question
The overall reactions of photosynthesis are best summarized as
Answer
  • 6 CO2+ 12 H2O->C6H12O6 +12 O2
  • 6 CO2+ 12 H2O->C6H12O6 +12 H2O
  • 6 CO2+ 12 O2->C6H12O6 +12 H2O
  • 6 CO2+ 12 O2+C6H12O6->12 O6 +12 H2O

Question 146

Question
During the electron transport chain h2o is formed where does the oxygen for the synthesis of h20 come from
Answer
  • O2
  • H2O
  • C6H1O2
  • Pvruvate

Question 147

Question
When one molecule of glucose is completely oxidized in aerobic respiration the net amount of atp produced is
Answer
  • 36 to 38
  • 2
  • 28 to 36
  • 4

Question 148

Question
In C4 plants reactions that fix co2 into four-carbon compounds occur in
Answer
  • Xylem cell
  • Bundle shealth cell
  • Mesophyll cell
  • Guard Cell

Question 149

Question
An animal with a diploid number of 36 will have______ chromosomes in its gamets and ______ tetrads during meiosis I
Answer
  • 15 and 20
  • 18 and 36
  • 18 and 18
  • 17 and 18

Question 150

Question
During chemiosmosis,_____ are transferred from NADH and FADH2 to electron acceptor molecules, and the energy released is used to create a ____ gradient across the inner mitochondrial membrane.
Answer
  • Electron and neutron
  • Protons and Neutons
  • Electrons and protons
  • Neutrons and protons
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