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Morphology of Flowering Plants — NEET Biology MCQs

30 questions written by hand against the NCERT chapter. Every wrong option is explained, not just the right one.

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Sample questions from this chapter

A seedling retains one thick descending root produced by the radicle, and successively smaller lateral roots arise from it. Which root system is developing?
  1. Tap root system, as in mustard ✓
  2. Fibrous root system, as in wheat
  3. Adventitious root system, as in banyan
  4. Pneumatophore system, as in mangroves
Answer: A. Persistence of the radicle as a main primary root with secondary and tertiary branches defines a tap root system. Fibrous roots are the closest trap because they also form a branched underground mass, but no single primary axis persists.
Why not B: In wheat the primary root is short-lived and many similarly sized roots replace it from the stem base.
Why not C: Banyan prop roots arise from branches, not by continued growth of the seedling radicle.
Why not D: Pneumatophores are specialised upward-growing respiratory roots, not the basic radicle-and-laterals pattern.
A student calls both the edible parts of potato and sweet potato 'storage roots'. Which observation corrects the classification?
  1. Both bear root hairs, proving that both are modified roots.
  2. Sweet potato has scale leaves and axillary buds, whereas potato has none.
  3. Potato bears eyes representing buds, whereas sweet potato stores food in an adventitious root. ✓
  4. Potato is a fruit because it develops underground after fertilisation.
Answer: C. Potato is a stem tuber identified by its bud-bearing eyes; sweet potato is a tuberous adventitious root. The mistake persists because both are underground food-storage organs, but position is less diagnostic than nodes and buds.
Why not A: A potato tuber lacks root hairs; underground position alone often causes this root misidentification.
Why not B: The stem evidence belongs to potato: its eyes are buds, while sweet potato does not carry stem nodes.
Why not D: Fruits mature from ovaries and bear seeds; subterranean development does not make a swollen stem a fruit.
Two green leaf-like organs are compared. Organ X bears an axillary bud at its base and represents a single stem internode; organ Y is a flattened petiole after the lamina is suppressed. They are respectively:
  1. Cladode and phyllode ✓
  2. Phyllode and phylloclade
  3. Phylloclade and cladode
  4. Leaflet and stem tendril
Answer: A. A single-internode photosynthetic stem branch is a cladode; a flattened photosynthetic petiole is a phyllode. Their similar appearance makes origin decisive: the bud associates X with the shoot system, while Y remains part of a leaf.
Why not B: This assigns petiole identity to the bud-associated stem organ and then makes the petiole a multi-internodal stem.
Why not C: A phylloclade spans several internodes, so it does not fit X's explicitly single-internode extent.
Why not D: A leaflet lacks its own axillary bud, while a tendril is specialised for support rather than a flattened photosynthetic blade.

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Every NCERT question in this chapter is solved, free: NCERT solutions — Morphology of Flowering Plants →

Other NEET Biology chapters

The Living WorldBiological ClassificationPlant KingdomAnimal KingdomAnatomy of Flowering PlantsStructural Organisation in Animals

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Questions

How many NEET questions are there on Morphology of Flowering Plants?

This chapter test has 30 questions — 10 easy, 14 medium and 6 hard — all written against the NCERT Class 11 chapter.

Is this NEET Biology chapter test free?

Yes. Every chapter test is free with no login, and you get your all-India rank on every one. Nothing on the site is on sale right now.

Do the questions explain the wrong options?

Yes — every distractor carries its own explanation naming the specific misconception that makes a student pick it. That is the part most question banks skip, and it is the part that changes your next attempt.