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What is the function of the proboscis gland in Hemichordata?
The NCERT text explicitly mentions, 'Excretory organ is proboscis gland' in Hemichordata.
Which of the following characteristics is common to both Hemichordata and Echinodermata, as described in the provided context?
The NCERT text states that Hemichordates are 'worm-like marine animals' and Echinoderms are 'All are marine'. While other options may relate to one, 'exclusively marine' is common to both as per the text.
The level of organization found in Phylum Hemichordata is:
The NCERT mentions, 'This phylum consists of a small group of worm-like marine animals with organ-system level of organisation.' This is further supported by the summary that discusses the basis of classification.
Which of the following examples are correctly associated with Phylum Hemichordata?
The NCERT provides, 'Examples: Balanoglossus and Saccoglossus' under the description of Phylum Hemichordata.
In Hemichordata, what is the nature of fertilization and development?
The NCERT states, 'Fertilisation is external. Development is indirect.' for Hemichordata.
What is the rudimentary structure found in the collar region of Hemichordates, considered similar to a notochord?
The NCERT text describes, 'Hemichordates have a rudimentary structure in the collar region called stomochord, a structure similar to notochord.'
Regarding the body plan of Hemichordata, which combination of features is accurate?
The NCERT states, 'They are bilaterally symmetrical, triploblastic and coelomate animals.' for Hemichordata.
Which of the following body parts are distinct segments of a Hemichordate body?
The NCERT chapter explicitly describes the Hemichordate body as 'composed of an anterior proboscis, a collar and a long trunk.'
Which of the following principles forms the basis for the operation of hydraulic lift and hydraulic brakes?
According to the provided text, 'A number of devices, such as hydraulic lift and hydraulic brakes, are based on the Pascal’s law. In these devices, fluids are used for transmitting pressure.'
Pascal's Law states that when external pressure is applied to any part of a fluid contained in a vessel, it is transmitted:
The NCERT text explicitly states, 'whenever external pressure is applied on any part of a fluid contained in a vessel, it is transmitted undiminished and equally in all directions. This is another form of the Pascal’s law.'
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The bank mixes NEET previous year questions (PYQs) with practice questions, each tagged with its exam appearances where applicable.