Biology Fsc Part 1 Chapter 1 Online Test With Answers

Biology Fsc Part 1 Chapter 1 Online Test

Sr. # Questions Answers Choice
1 Which statemetn is correct about ABA Promotes flowrerig in pineapples Promotes flowring in short-day plants and inhibits in long day plants Promotes bolting in rosette plants Promotes apical dominance
2 The exoskeleton of arthropods is primarily composed by Chitin Calcium carbonae  Cellulose Silica
3 The remote scnsing method uses. Satellite or drone imagery quadrates to count Observation and recorrding from fixed point Marking and recapturing
4 sympatric speciation differs from allopatric speciation because it. Requires geographicla isolation  Is driven only by mutation rates Involves only small populations Occurs through niche differentiation or polyploidy without physical barriers
5 Ernst Mayr's definition of species emphasizes. Reproducgive isolation in natural populations Shared habitat preferences Inentical DNA Squences Morphologicla similarities
6 Mark recapture method is particularly used for. Studing animals that are difficult to count directly Estimating abundance of easily observable species Counting speices in quadrats Mapping large scale distributions
7 Role or function of an organism or species with in an ecosystem reers to. Niche Alcove Slot Recess
8 Reverse transcribing viruses like HIV are unique because they  Lack a protein capsid Infect bacteria Convert RNA into DNA Convert DNA into RNA
9 The viruses in which RNA genome is directly translated into proteins by the host cells ribosomes are called. Positive sense RNA virus  Negative sense RNA Viruses Reverse transcribing viruses All of them
10 Gastroenteritis is causes by  Parvoviruses Adenoviruses Rotaviruses Both a and C
11 The viruses which lack an outer lipid envolope and consists only of capsid enclosing the nucleic acid are called. Non enveloped viruses Enveloped viruses Naked viruses Both a and c
12 A researche styding COVID-19 viurs would classify it as a. ss RNA Virus ss DNA Virus ds DNA vIRUS dS RNA Virus
13 A plant virus with a helical capsid is. Tobacco mosaic virus Adenovirus Herpes virus HIV
14 Viruses are not consideredorganisms because they Are Acellular Cause disease Cannnot be ssen with naked eye Live in water
15 Which gland secretes sweat in mammals. Sebaceous gland Prostate gland Pineal glad Sudoriferous gland
16 The mammals which lay eggs in which whole development of the embryo proceeds are called. Egg laying mammals Marupials Placental Metatherians
17 Which one of gthe following mammal is a marsupial Duch bil platypus Quoll Spony ant eater Horse
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