The presence of a feathered shank is restricted to the biological class of ____________?
Show answer Hide answer
Answer: A. Asian class
Explanation
Poultry breeds are categorized into specific geographical and biological classes by experts. The presence of feathered shanks is a defining trait required for specific breeds. This unique phenotypic characteristic is restricted exclusively to the Asian class of poultry. Poultry classification systems group chicken breeds based on their geographic origins and traits. Asian class breeds typically feature large bodies, feathered legs, and red earlobes. Selective breeding has preserved these distinct physical markers over many generations.
Poultry judges examine leg feathering carefully during agricultural livestock exhibitions. Breeders maintain standard characteristics to preserve the genetic heritage of traditional fowl. Understanding poultry classifications helps farmers select appropriate breeds for specific climates. English class poultry breeds are characterized by clean, unfeathered shanks and white skin. American class breeds typically feature clean legs and yellow skin as standard traits. Option D is incorrect because the Asian class specifically displays this feathered shank trait.
Related questions
Q1. The excretory apparatus of platyhelminths is comprised of___________?
Show answer Hide answer
Answer: B. Flame cells
Platyhelminths possess specialized tubular networks for internal waste excretion and osmoregulation. These primitive excretory systems feature specialized flagellated cells known as flame cells. The beating flagella rese...
Q2. The initial action spectrum was derived utilizing__________?
Show answer Hide answer
Answer: D. Spirogyra
T.W. Engelmann conducted historic experiments to determine which light wavelengths drive photosynthesis. He used a filamentous green alga to map photosynthetic activity across the light spectrum. This specific alga, Spir...
Q3. Flagellar structures are built from________?
Show answer Hide answer
Answer: A. micro tubules
Eukaryotic flagella and cilia require complex internal cytoskeletal scaffolding to function. This internal structural core is constructed from highly organized arrays of microtubules. Microtubules form the characteristic...
Q4. Which of the listed conditions does not stem from a viral agent?
Show answer Hide answer
Answer: C. Tetanus
Tetanus is a dangerous neurological disease caused by a pathogenic bacterial species. The bacterium Clostridium tetani produces potent neurotoxins that affect human muscle function. Because it is caused by bacteria, teta...
Q5. Which category of pathogen instigates ailments amenable to antibiotic treatment?
Show answer Hide answer
Answer: A. bacteria
Antibiotics are specialized pharmaceutical drugs designed to target bacterial cellular machinery. Bacterial pathogens possess unique structures like cell walls that antibiotics can disrupt. Consequently, infections cause...
Q6. Plant exposure to chilling temperatures to induce flowering is termed___________?
Show answer Hide answer
Answer: C. Vernalisation
Certain plants require a prolonged period of cold temperatures to trigger reproductive development. This physiological process of cold-induced flowering is known scientifically as vernalisation. Chilling temperatures bre...