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Biology Quiz Final

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Entrance Biology Quiz sobre Biology Quiz Final, criado por Digital Growth em 18-03-2017.
Digital Growth
Quiz por Digital Growth, atualizado more than 1 year ago
Digital Growth
Criado por Digital Growth aproximadamente 7 anos atrás
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Resumo de Recurso

Questão 1

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

Questão 2

Questão
[blank_start]Cell aging[blank_end] and [blank_start]apoptosis[blank_end] may relate to telomere shortening
Responda
  • Cell aging
  • apoptosis

Questão 3

Questão
Telomerase can extend chromosomes by Diving more repeat sequence to their ends
Responda
  • True
  • False

Questão 4

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

Questão 5

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

Questão 6

Questão
[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.
Responda
  • Hershey
  • Chase

Questão 7

Questão
Genetic Materials is
Responda
  • DNA
  • Protien
  • RNA
  • Nucleic Acid

Questão 8

Questão
Genes were protein before they were invented
Responda
  • True
  • False

Questão 9

Questão
Elements _____ &_____are found in proteins and DNA
Responda
  • S & P
  • S & Zn
  • P & Mg
  • P & H

Questão 10

Questão
Who made the DNA Photographic plate
Responda
  • Rosalind Franklin
  • Francis Crick
  • Raymond Gosling
  • Salvador Luria

Questão 11

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

Questão 12

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

Questão 13

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

Questão 14

Questão
[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
Responda
  • 1871
  • 1928
  • 1944
  • 1949
  • 1928
  • 1871
  • 1949
  • 1944
  • 1871
  • 1944
  • 1928
  • 1949
  • 1871
  • 1928
  • 1944
  • 1949

Questão 15

Questão
Which of the following are Nucleotide components
Responda
  • Adenine
  • Guanine
  • Thymine
  • Adrenaline
  • Tourmaline
  • Cytosine

Questão 16

Questão
Nucleotide base A and T forms
Responda
  • 2 H bonds
  • 3 H bonds
  • 1 H bonds
  • 0 H bonds

Questão 17

Questão
Nucleotide base G and C forms
Responda
  • 2 H bonds
  • 3 H bonds
  • 1 H bonds
  • 0 H bonds

Questão 18

Questão
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
Responda
  • 1
  • 3
  • 7
  • 4
  • 6
  • 2
  • 5
  • 0

Questão 19

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

Questão 20

Questão
Spot the diffrence
Image:
72a0f065-d942-4f91-bcef-85a8d772cbba (image/jpeg)
Responda
  • 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

Questão 21

Questão
Paired nucleotide runs anti parallel
Responda
  • True
  • False

Questão 22

Questão
Each stands of DNA has [blank_start]3[blank_end]' End and [blank_start]2[blank_end]' End
Responda
  • 3
  • 2

Questão 23

Questão
DNA 3' end has exposed
Responda
  • 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

Questão 24

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

Questão 25

Questão
Nucleotide strands are complimentary due to
Responda
  • Twin Base rule
  • Twin paring rule
  • Base pairing rule
  • Odd Paring rule

Questão 26

Questão
Part A : Purine number ≠ pyrimidine number Part B : A=T ; G=C
Responda
  • 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

Questão 27

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

Questão 28

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

Questão 29

Questão
Who confirmed the semi-conservative replication of DNA.
Responda
  • Francis
  • Meselson
  • Thomas
  • Marie

Questão 30

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

Questão 31

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

Questão 32

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

Questão 33

Questão
_________________ relieve tension created by unwinding localized areas of DNA
Responda
  • Topoisomerases
  • Toposomes
  • Catenation
  • Knotting

Questão 34

Questão
DNA replication is bidirectional
Responda
  • True
  • False

Questão 35

Questão
______________chromosomes have a single origin of replication ______________chromosomes have multiple origins of replication
Responda
  • Prokaryotic & Prokaryotic
  • Eukaryotic & Prokaryotic
  • Eukaryotic & Eukaryotic
  • Prokaryotic & Eukaryotic

Questão 36

Questão
Synthesis continues until adjacent replication forks meet
Responda
  • True
  • False

Questão 37

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

Questão 38

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

Questão 39

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

Questão 40

Questão
Most organisms use [blank_start]aerobic[blank_end] cellular respiration
Responda
  • aerobic

Questão 41

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

Questão 42

Questão
How much ATP is produced per GULCOSE
Responda
  • 36.38 ATP's
  • 37.38 ATP's
  • 32.38 ATP's
  • 36.10 ATP's

Questão 43

Questão
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]
Responda
  • Glycolysis
  • Lactic acid cycle
  • Formation of acetyl coenzymes
  • Formation of citric acid
  • Citric acid Cycle
  • Formation of acetyline
  • Chemioosmosis
  • Sulfur Excretion

Questão 44

Questão
Glycolysis occur in 3 phases
Responda
  • True
  • False

Questão 45

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

Questão 46

Questão
What are the Net products of glycolysis
Responda
  • 2 ATPs
  • 5 ATPs
  • 2 NADHs
  • 1 NADHs
  • 2 pyruvates
  • 1 pyruvates

Questão 47

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

Questão 48

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

Questão 49

Questão
Name the following blanks
Image:
ac26c771-04e8-48df-8bbc-a1447ea2ca8e (image/jpeg)
Responda
  • 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

Questão 50

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

Questão 51

Questão
Electron acceptors/carriers are usually transmembrane proteins embedded in cristae
Responda
  • True
  • False

Questão 52

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

Questão 53

Questão
What does Electron Transport Chain mean ?
Responda
  • 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.

Questão 54

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

Questão 55

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

Questão 56

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

Questão 57

Questão
Anaerobic Respiration Does use O2 as final electron acceptor
Responda
  • True
  • False

Questão 58

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

Questão 59

Questão
Fermentation best suits
Responda
  • 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

Questão 60

Questão
Pyruvate is not end product of fermentation
Responda
  • True
  • False

Questão 61

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

Questão 62

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

Questão 63

Questão
Yeasts are facultative anaerobes Used in brewing
Responda
  • True
  • False

Questão 64

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

Questão 65

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

Questão 66

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

Questão 67

Questão
When did Mendel Die?
Responda
  • 1884
  • 1885
  • 1883
  • 1880

Questão 68

Questão
What plant did mendel use for his expirmient
Responda
  • Cucumer
  • Pea
  • Carrot
  • Sun Flower

Questão 69

Questão
How many phenotypic traits did mendel study
Responda
  • Seven
  • Eight
  • Six
  • Five

Questão 70

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

Questão 71

Questão
What is a Locus
Responda
  • 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

Questão 72

Questão
Which of the following is Not Mendel’s Principle of Segregation
Responda
  • 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)

Questão 73

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

Questão 74

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

Questão 75

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

Questão 76

Questão
In F2 generation Predictable phenotype ratio is
Responda
  • 9:3:3:1
  • 9:3:3:3
  • 9:2:1:2
  • 5:1:5:2

Questão 77

Questão
Which one is Not Mendel’s Principle of Independent Assortment
Responda
  • 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

Questão 78

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

Questão 79

Questão
What are sex chromosomes?
Responda
  • 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

Questão 80

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

Questão 81

Questão
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
Responda
  • X-Y
  • X-K
  • Z-W
  • Z-H
  • X-T
  • X-W
  • X-O
  • X-I
  • X-X
  • Haplo-Diploid
  • X-A
  • X-N

Questão 82

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

Questão 83

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

Questão 84

Questão
Cats carry one of their fur color genes on___chromosome
Responda
  • X
  • Y
  • H
  • XY

Questão 85

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

Questão 86

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

Questão 87

Questão
What is Pleiotropy?
Responda
  • 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

Questão 88

Questão
Alleles from different loci interact to determine phenotype is GENE INTRACTION
Responda
  • True
  • False

Questão 89

Questão
Human skin color determined by 7 genes
Responda
  • True
  • False

Questão 90

Questão
Genetically identical individuals may develop differently in different environments
Responda
  • True
  • False

Questão 91

Questão
Human height is polygenic
Responda
  • True
  • False

Questão 92

Questão
_____________ is condensed chromatin
Responda
  • Chromosome
  • Telomeres
  • Keratin
  • Lipids

Questão 93

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

Questão 94

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

Questão 95

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

Questão 96

Questão
What happens during Prophase ?
Responda
  • 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

Questão 97

Questão
Bacterial chromosome have histone
Responda
  • True
  • False

Questão 98

Questão
Bacterial chromosome have histone
Responda
  • True
  • False

Questão 99

Questão
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.
Responda
  • Eukaryotic Cell Cycle
  • Prokaryotic Cell Cycle
  • Citric Cycle
  • Lipids cell cycle

Questão 100

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

Questão 101

Questão
What does Coenocytic means [blank_start]multinucleate[blank_end]
Responda
  • multinucleate

Questão 102

Questão
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)
Responda
  • first gap
  • Synthesis phase
  • Synthesis
  • First Gap
  • Second Gap
  • Second Gap
  • Second gap
  • Synthesis
  • First Gap

Questão 103

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

Questão 104

Questão
Mitosis is a Continuous process of five stages
Responda
  • True
  • False

Questão 105

Questão
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]
Responda
  • 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

Questão 106

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

Questão 107

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

Questão 108

Questão
During Anaphase the sister chromatids separate
Responda
  • True
  • False

Questão 109

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

Questão 110

Questão
Prokaryotes use binary fission
Responda
  • True
  • False

Questão 111

Questão
Asexual reproduction in eukaryotes uses mitosis
Responda
  • True
  • False

Questão 112

Questão
Sexual reproduction in eukaryotes involves mitosis
Responda
  • True
  • False

Questão 113

Questão
Ploidy Contain only one member of each homologous chromosome pair
Responda
  • True
  • False

Questão 114

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

Questão 115

Questão
shorter wave lengths = less energy
Responda
  • True
  • False

Questão 116

Questão
Humans detect photons that correspond to UV portion of electromagnetic spectrum
Responda
  • True
  • False

Questão 117

Questão
Which one has the longest wavelength
Responda
  • Microwaves
  • Visible Light
  • X-rays
  • Gamma Rays

Questão 118

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

Questão 119

Questão
What is pigment of light
Responda
  • 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

Questão 120

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

Questão 121

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

Questão 122

Questão
Chlorophyll______ is primary photosynthetic pigment
Responda
  • a
  • b
  • ac
  • ab

Questão 123

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

Questão 124

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

Questão 125

Questão
Light energy is converted to chemical energy in [blank_start]Photosynthesis[blank_end]
Responda
  • Photosynthesis

Questão 126

Questão
Photosystem are made up of __________ and pigments.
Responda
  • Proteins
  • Carbon
  • Oxygen
  • Nitrogen

Questão 127

Questão
Photosystem I (P720) is one of the types of photostem
Responda
  • True
  • False

Questão 128

Questão
Light-Dependent Reactions Begin when pigment molecule absorbs photon
Responda
  • True
  • False

Questão 129

Questão
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].
Responda
  • electron transport chain

Questão 130

Questão
What does best suit Photophosphorylation?
Responda
  • 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

Questão 131

Questão
What is the use of Photoposporalation
Responda
  • 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

Questão 132

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

Questão 133

Questão
Calvin cycle occurs in [blank_start]stroma[blank_end]
Responda
  • stroma

Questão 134

Questão
Carbon Fixation Reactions are also known as C3 pathway
Responda
  • True
  • False

Questão 135

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

Questão 136

Questão
Carbon fixation requires CO2 and light (indirectly)
Responda
  • True
  • False

Questão 137

Questão
Some plants use C3 pathway to fix carbon prior to Calvin cycle
Responda
  • True
  • False

Questão 138

Questão
What does "CAM " in Pathway stand for
Responda
  • Crassulacean acid metabolism
  • Crassulacean angular metabolism
  • Crassulacean acid mitosis
  • Carbon acid metabolism

Questão 139

Questão
The sourses of genetic variation during miosios are:
Responda
  • 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

Questão 140

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

Questão 141

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

Questão 142

Questão
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?
Responda
  • 25%
  • 75%
  • 50%
  • 100%

Questão 143

Questão
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
Responda
  • 100%
  • 50%
  • 75%
  • 25%

Questão 144

Questão
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
Responda
  • 1/2
  • 3/4
  • 9/16
  • 3/16

Questão 145

Questão
The overall reactions of photosynthesis are best summarized as
Responda
  • 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

Questão 146

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

Questão 147

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

Questão 148

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

Questão 149

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

Questão 150

Questão
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.
Responda
  • Electron and neutron
  • Protons and Neutons
  • Electrons and protons
  • Neutrons and protons

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