- A mutation occurs at the same site on DNA but restores the original version of the gene is called ___?
a. Point mutation
b. Fixed mutation
c. Tautomerization
d. Back mutation - Newly formed polypeptide converted into the final configuration by the help of a protein called as _?
a. Regulators
b. Stabilizer
c. Chaperone
d. Catalase - Which one is not a chain-terminating codon?
a. UAA
b. UAG
c. UGA
d. AUG - Which of the following recognizes UAA?
a. Amino Acid
b. tRNA
c. rRNA
d. Release factors - which one of the following is a signal site for the initiation of transcription in eukaryotes?
a. TTAA Box
b. CAAT Box
c. TGCA Box
d. None of the above - An embryo-derived through more than one tissue is called as _?
a. Diploid
b. Hybrid
c. Chimera
d. Clone - Incorrect in case of cystic fibrosis?
a. X linked recessive disorder
b. Clogging of lungs with mucous
c. Clogging of the pancreas with mucous
d. Clogging of the liver with mucous - Degeneracy of genetic code means?
a. Slowness of change
b. Constant mutation rate
c. Single amino acid more than one codon
d. All - An enzyme that unwinds the DNA double helix before the formation of the replication fork is called _.
a. SSBs
b. DNA Helicase
c. DNA mutase
d. Helper DNA polymerase - The non-genetic cause of the physical appearance of an organism is called _________________.
a. Phenotype
b. Epigenesis
c. Eugenics
d. Mosaic - If a gene is totally removed from a gene pool it is called _.
a. Genetic drift
b. Genetic end
c. Fixation
d. Selection - Which is incorrect in the case of Huntington`s Disease?
a. Neurodegenerative disorder
b. Autosomal recessive
c. Mutation due to trinucleotide repeat
d. All - The regions on DNA easily attacked by endonucleases is the site named as __?
a. Welcome site
b. Weak site
c. Hypersensitive site
d. Endonuclease Binding site - A few amino acids sequence that removes itself from primary polypeptide is called as __?
a. Activator
b. Stabilizer
c. Intein
d. Chaperon - During northern blotting, tRNA is from gell to nylon membrane by the action of __.
a. Adhesion
b. Capillary action
c. Hydrogen bonding
d. Ion exchange effect - If the two different species have homologous genes then these genes are called _.
a. Replica
b. Clone
c. Orthologous
d. Paralogous - Phagemids are actually formed from __.
a. Bacteriophage chromosome
b. Bacterial plasmids
c. Both a & b involve in its formation
d. Only occurs in hot water springs - Which of the following is referred to as mid-prophase I stage?
a. Pronema
b. Diplonema
c. Pachnema
d. Zygonema - Panmixis is a term used as synonyms of the _.
a. Selective mating
b. Random mating
c. Inbreeding
d. Heterosis - A cell that can differentiate into several types is called_____________.
a. Totipotent
b. Pleitropic
c. Epistatic
d. Pluripotent - The extent to which a gene is expressed as __.
a. Expressivity
b. Penetrance
c. Both
d. None - Poly A polymerase involves in the ______.
a. Polyadenylation
b. Hydrolysis of A-A bond
c. Convert purines to pyrimidine
d. Convert pyrimidine to purine - The occurrence of more than five digits on the hand or feet is called?
a. Teratogenesis
b. Polydactyly
c. Mosaic development
d. None - A person in which genetically transmitted character (Disorder) first identified is called __.
a. Branding Individual
b. Proband
c. Mutant
d. Standard wild - Which one is incorrect in the case of contig?
a. Overlapping region
b. Present on the genetic map
c. Represent a consensus region of genetic material
d. These are not express
Note: One thing to keep in mind is that if you want to get some benefit, you have to solve the Quiz first, and then you have to look at the key given below..
Answer Keys PPSC Planner Zoology Quiz 3 – Genetics