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Apart from the basic chordate characters, what do vertebrates possess for excretion and osmoregulation?
The NCERT text states, 'Besides the basic chordate characters, vertebrates have a ventral muscular heart... kidneys for excretion and osmoregulation...'
Which of the following statements correctly differentiates between Urochordata and Cephalochordata regarding the notochord?
The NCERT text clearly states, 'In Urochordata, notochord is present only in larval tail, while in Cephalochordata, it extends from head to tail region and is persistent throughout their life.'
The heart in chordates is typically located:
Table 4.1 in the NCERT book compares chordates and non-chordates, stating that 'Heart is ventral' in chordates, whereas it is 'dorsal (if present)' in non-chordates.
Which characteristic is shared by both chordates and non-chordates according to the provided text?
The NCERT text mentions that chordates are 'bilaterally symmetrical'. While the other options are distinctly chordate features, bilateral symmetry is a characteristic found in many non-chordate phyla as well (e.g., Platyhelminthes, Annelida, Arthropoda, Mollusca as per the 'Summary' and Table 4.2).
What is the fate of the notochord in adult vertebrates?
The NCERT text states, 'The members of subphylum Vertebrata possess notochord during the embryonic period. The notochord is replaced by a cartilaginous or bony vertebral column in the adult.'
Which of the following phyla exhibits a 'post-anal part (tail)' as a defining characteristic?
Table 4.1 explicitly lists 'A post-anal part (tail) is present' as a characteristic of Chordates, while Non-chordates lack a post-anal tail.
The circulatory system in Chordata is described as:
The initial description of Chordata states, 'They possess a post anal tail and a closed circulatory system.'
Which of the following correctly lists the taxonomic hierarchy for Humans starting from Phylum?
Table 1.1 provides the taxonomic categories for Man: Phylum - Chordata, Class - Mammalia, Order - Primata, Family - Hominidae, Genus - Homo, Species - Homo sapiens. The correct ascending order from Phylum is Chordata, Mammalia, Primata, Hominidae, Homo, Homo sapiens.
Which of the following describes the linkage in lactose, a disaccharide found in milk?
As per the NCERT text, 'Lactose... is composed of b-D-galactose and b-D-glucose. The linkage is between C1 of galactose and C4 of glucose.'
Which of the following statements is true regarding starch?
The NCERT text states, 'Starch... is a polymer of $\alpha$-glucose and consists of two components—Amylose and Amylopectin.'
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The bank mixes NEET previous year questions (PYQs) with practice questions, each tagged with its exam appearances where applicable.