alleryIn mustard, which structure persists to form the main taproot?
- Radicle
- Plumule
- Cotyledon
- Leaf base
Show answer and solution
Correct answer: A. Radicle
The radicle forms the primary root. In mustard it persists, branches and forms the taproot system.
NEET UG Neet B02 — practice questions
Explore 25 free Neet B02 questions in NEET UG Biology. Open each question or exercise to read its content, reference answers and available explanation.
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Showing questions 1–25 of 25.
In mustard, which structure persists to form the main taproot?Read the answer and worked solution →A carrot specimen has a swollen conical root. Its main modified function is:Read the answer and worked solution →Which venation pair is typical of dicots and monocots, respectively?Read the answer and worked solution →Which pair correctly links a modified leaf with its function?Read the answer and worked solution →Which mature seed pair is non-endospermic and endospermic, respectively?Read the answer and worked solution →Which vascular tissue mainly carries water and minerals from roots?Read the answer and worked solution →A stem loses functional phloem but retains its xylem. Which transport is directly impaired?Read the answer and worked solution →In Hibiscus (Malvaceae), the whorl just below the calyx is the:Read the answer and worked solution →Which combination describes Hibiscus?Read the answer and worked solution →Mustard has tetradynamous stamens. What does this mean?Read the answer and worked solution →A long, narrow fruit of Brassicaceae whose valves separate from a persistent replum is a:Read the answer and worked solution →In a typical Asteraceae floret, which stamen parts are united?Read the answer and worked solution →Which ovary combination is typical of an Asteraceae floret?Read the answer and worked solution →The small flower-bearing units of a wheat inflorescence are:Read the answer and worked solution →In the caryopsis of a grass, the seed coat is fused with the:Read the answer and worked solution →Which epithelial junction helps cement neighbouring cells together?Read the answer and worked solution →A slide shows long cylindrical, multinucleate fibres with clear cross bands. The tissue is:Read the answer and worked solution →Which pair correctly links neural cells with their roles?Read the answer and worked solution →Which structures increase the absorptive surface inside a frog intestine?Read the answer and worked solution →The membrane visible just behind each frog eye mainly receives:Read the answer and worked solution →Which cockroach gut pairing is correct?Read the answer and worked solution →In a cockroach, haemolymph directly bathes organs in the haemocoel. Its circulation is:Read the answer and worked solution →In a cockroach, gas exchange with tissues occurs chiefly by diffusion at the:Read the answer and worked solution →The segmental ganglia of a cockroach are linked by longitudinal connectives along its:Read the answer and worked solution →During cockroach copulation, sperm bundles are transferred as:Read the answer and worked solution →
Worked practice questions
A carrot specimen has a swollen conical root. Its main modified function is:
- Climbing
- Food storage
- Pollination
- Seed dispersal
Show answer and solution
Correct answer: B. Food storage
The conical storage root of carrot accumulates reserve food. Its swollen part is a modified root.
Which venation pair is typical of dicots and monocots, respectively?
- Parallel; reticulate
- Reticulate; parallel
- Parallel; parallel
- Reticulate; reticulate
Show answer and solution
Correct answer: B. Reticulate; parallel
Most dicot leaves have a network of veins (reticulate venation). Most monocot leaves have parallel veins.
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