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A: The first stage of gametophyte in the life cycle of moss is protonema stage. R: Protonema develops directly from spores produced in capsule.
Protonema (filamentous gametophyte) develops from capsule spores; both statements true.
Among eukaryotes, replication of DNA takes place in:
DNA replication occurs in the Synthesis (S) phase of interphase.
Axile placentation is observed in:
Axile placentation: China rose, Petunia, Lemon, Tomato (Tomato is also axile but Dianthus has free-central).
In the equation $GPP - R = NPP$, $R$ here is:
NPP = GPP − Respiratory loss (energy used by plant for respiration).
Which of the following stages of meiosis involves division of centromere?
Centromeres split and sister chromatids separate in Anaphase II.
Spraying of which of the following phytohormone on juvenile conifers helps in hastening the maturity period, that leads to early seed production?
GA accelerates maturity in conifers, hastening early seed production.
Unequivocal proof that DNA is the genetic material was first proposed by:
Hershey-Chase blender experiment (1952) — unequivocal proof.
Large, colourful, fragrant flowers with nectar are seen in:
Entomophilous (insect-pollinated) flowers are large, brightly coloured and fragrant.
The process of appearance of recombination nodules occurs at which sub stage of prophase I in meiosis?
Recombination nodules appear in Pachytene (crossing over occurs here).
Among 'The Evil Quartet', which one is considered the most important cause driving extinction of species?
Habitat loss & fragmentation is the leading cause (NCERT, Evil Quartet).
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The bank mixes NEET previous year questions (PYQs) with practice questions, each tagged with its exam appearances where applicable.