Observe the following simplified scheme and choose the correct option that matches with the letters given in the boxes.
- p-Agnatha, q- Gnathostomata, r-Pisces, s-Tetrapoda
- p- Gnathostomata, q- Agnatha, r-Tetrapoda, s- Pisces
- p-Tetrapoda, q- Pisces, r- Gnathostomata, s - Agnatha
- p- Agnatha, q- Gnathostomata, r-Tetrapoda, s - Pisces
The Correct Option is A
Approach Solution - 1
p (Lacks Jaw) refers to Agnatha, which are jawless vertebrates (e.g., lampreys and hagfish).
q (Bears Jaw) refers to Gnathostomata, which are jawed vertebrates (e.g., fish, amphibians, reptiles, birds, and mammals).
r (Bear fins) refers to Pisces, which are fish (aquatic vertebrates with fins).
s (Bear limbs) refers to Tetrapoda, which are vertebrates that have four limbs (e.g., amphibians, reptiles, birds, and mammals).
The correct answer is (A) :p-Agnatha, q- Gnathostomata, r-Pisces, s-Tetrapoda
Approach Solution -2
p - Agnatha: Agnatha are jawless fish (lacks jaw).
q - Gnathostomata: Gnathostomata are vertebrates with jaws (bears jaw). This large group then splits into those with fins and those with limbs.
r - Pisces: Pisces are fish and have fins (bear fins).
s - Tetrapoda: Tetrapoda are four-limbed vertebrates (bear limbs).
The correct answer is (A) :p-Agnatha, q- Gnathostomata, r-Pisces, s-Tetrapoda
Top KCET Biology Questions
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