ABO Blood Groups In Humans Are Controlled By The Gene L. It Has Three Alleles–Ia, Ib And I. Since There Are Three Different Alleles, Six Different Genotypes Are Possible. How Many Phenotypes Can Occur?
a) One b) Two c) Three d) Four Answer: d) Four
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Which One Of The Following Does Not Follow The Central Dogma Of Molecular Biology?
a) HIV b) Pea c) Mucor d) Chlamydomonas Answer: a) HIV Explanation: HIV belongs to the Retrovirus group. It exhibits... View Article
Satellite DNA Is Useful Tool In?
a) Genetic engineering b) Organ transplantation c) Sex determination d) Forensic science Answer: d) Forensic science
The One Aspect Which Is Not A Salient Feature Of Genetic Code, Is Its Being?
a) Universal b) Specific c) Ambiguous d) Degenerate Answer: c) Ambiguous Explanation: Codons are non ambiguous except for GUG.
Which One Of The Following Cannot Be Explained On The Basis Of Mendel’s Law Of Dominance?
a) The discrete unit controlling a particular character is called a factor b) Out of one pair of factors one... View Article
The Kind Of Epithelium Which Forms The Inner Walls Of Blood Vessels Is?
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Membrane-bound Organelles Are Absent In?
a) Saccharomyces b) Chlamydomonas c) Streptococcus d) Plasmodium Answer: c) Streptococcus
During Mitosis Er And Nucleolus Begin To Disappear At?
a) Early prophase b) Early metaphase c) Late metaphase d) Late prophase Answer: a) Early prophase One of the stages... View Article
The Main Arena Of Various Types Of Activities Of A Cell Is?
a) Plasma membrane b) Mitochondria c) Nucleus d) Cytoplasm Answer: d) Cytoplasm
Which One Of The Following Structures Between Two Adjacent Cells Is An Effective Transport Pathway?
a) Plastoquinones b) Plasmodesmata c) Endoplasmic reticulum d) Plasmalemma Answer: b) Plasmodesmata Plasmodesmata is a category of gap junction in... View Article
The Plasma Membrane Consists Mainly Of?
a) Phospholipids embedded in a protein bilayer b) Proteins embedded in a polymer of glucose molecules c) Proteins embedded in... View Article
Which One Of The Following Kinds Of Animals Are Triploblastic?
a) Sponges b) Flatworms c) Ctenophores d) Corals Answer: b) Flatworms
Which One Of The Following Statements About All The Four Of Spongilla, Leech, Dolphin And Penguin Is Correct?
a) Penguin is homeothermic while the remaining three are poikilothermic b) Leech is a fresh water form while all others... View Article
One Example Of Animals Having A Single Opening To The Outside That Serves Both As Mouth As Well As Anus Is?
a) Fasciola b) Octopus c) Asterias d) Ascidia Answer: a) Fasciola
Single-celled Eukaryotes Are Included In?
a) Fungi b) Protista c) Archaea d) Monera Answer: b) Protista Single celled eukaryotes are included in Protista.
Male And Female Gametophytes Are Independent And Free-living In?
a) Sphagnum b) Pinus c) Castor d) Mustard Answer: a) Sphagnum
Infectious Proteins Are Present In?
a) Gemini viruses b) Viroids c) Prions d) Satellite viruses Answer: c) Prions
Some Hyperthermophilic Organisms That Grow In Highly Acidic (Ph2) Habitats Belong To The Two Groups?
a) Protists and mosses b) Eubacteria and archaea c) Liverworts and yeasts d) Cyanobacteria and diatoms Answer: b) Eubacteria and... View Article
There Is A Restriction Endonuclease Called EcoRI. What Does The “Co” Part In It Stands For?
a) coli b) colon c) coelom d) coenzyme Answer: a) coli
An Organism Used As Biofertilizer For Raising Soyabean Crop Is?
a) Nostoc b) Azotobacter c) Azospirillum d) Rhizobium Answer: d) Rhizobium Explanation: Soyabean is a legume associated symbiotically with Rhizobium.
