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Morphology of Flowering Plants Quiz-14

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NEET is the most famous and important medical entrance examination held in our country. This exam is an objective type, an offline test which includes 4 sections namely– Physics, Chemistry, Botany, and Zoology. The maximum marks that can be scored are 720 marks and have 180 questions. About half of the paper consists of questions from Biology, as the NEET exam essentially focuses on capacitating students to go for seats in medical courses. One of the most significant and crucial sections in the NEET exam is of Biology. It comprises of theories, descriptions, discoveries, diagrams, definitions, explanations of differences, and relations. The majority of the topics covered in the NEET syllabus are from the NCERT syllabus of Class 11 & 12 and other related sources become part of the rest of the syllabus. Clear Exam curates a list of articles selected by professionals who recommend the highly vital topics for NEET exams. The table below takes you directly to the respective topic where the in-depth article and the MCQs are available for an easy and productive learning experience. Prior to solving NEET question papers or practicing mock tests, you must ensure to study the basic concepts in NEET and practice a few sample questions related to this exam. Students will be covered for all their studies as the topics are available from basics to even the most advanced. .

Q1. Tetradynamous stamens are found in
  •  Chrysanthemum
  •  Zinnia
  •  Poppy
  •  Brassica
Solution
Tetradynamous condition is a condition of stamens, where four stamens are long, while the other two are short. This is the characteristic feature or family-Brassicaceae or Cruciferae, e.g., mustard or Brassica campestris.

Q2.A simple one seeded fruit in which pericarp is fused with seed coat is
  •  Achene
  •  Caryopsis
  •  Cypsela
  •  Nut
Solution
Caryopsis fruits develop from unilocular, single-ovuled, superior ovary of Multicarpellary gynoecium. They are small and single-seeded. Their pericarp is completely fused with the seed-coat or testa.

Q3.   In Amorphophallus, vegetative reproduction occurs through
  •  Rhizome
  •  Corm
  •  Spores
  •  Conidia
Solution
In Amorphophallus (element foot), buds present on corm give rise to new aerial shoots and new corm.

Q4. The existence of two types of leaves in the same plant, is called
  •  Phyllody
  •  Phylloclade
  •  Heterophylly
  •  Heterosis
Solution
Heterophylly is the phenomenon in which morphologically dissimilar leaves are produced on the same plant body. Many aquatic plants, e.g., Ranunculusscleretus produce very much dissected submerged leaves with simple and entire floating leaves at the same time on the same plant body.


Q5. Identify the types of roots in the diagram A and B
        

  •  A-Fibrous; B-Tap
  •  A-Adventitious; B-Fibrous
  •  A-Fibrous; B-Adventitious
  •  A-Tap; B-Fibrous
Solution
  Primary roots and its branches constitutes the tap root system as seen in mustard plants (figure A). Roots originate from the base of the stem and constitutes the fibrous root system as seen in wheat plant (figure B)

Q6. In which of the following types of fruits, dorsiventral dehiscence takes place? I. Legume II. Follicle III. Siliqua IV. Capsule
  •  I and III
  •  I and II
  •  II and III
  •  II and IV
Solution
Legume or pod fruits and siliqua fruits can be dehisced through dorsal and ventral sutures. Legume is developed from a monocarpellary, one chambered and superior ovary, eg. pea, while siliqua develops from a bicarpellary, syncarpous and superior ovary, e.g., mustard.

Q7.In a cereal grain, the single cotyledon of embryo is represented by
  •  Coleorhiza
  •  Scutellum
  •  Prophyll
  •  Coleoptile
Solution
In a cereal grain (e.g. wheat), the single cotyledon of embryo is represented by the Scutellum. Scutellum is specialised for nutrient absorption from the endosperm.

Q8.The fleshy fruits with hard and stony endocarp are called
  •  Drupe
  •  Berry
  •  Pepo
  •  Pome
Solution
The drupe is single seeded fruits characterised by thin Epicarp fleshy mesocarp and stony endocarp. They are called stone fruits, e.g., mango, coconut.

Q9.Which of the following represents the male reproductive organ in a flower?
  •  Androecium
  •  Stamen
  •  Both (a) and (b)
  •  None of these
Solution
Androecium is composed of stamens. Each stamen which represents the male reproductive organ consists of stalk or a filament and an anther.

Q10. Study the following and choose the correct statements. I.Bulb of Allium cepa is a modified stem. II.Cloves of Allium sativum are fleshy scale leaves. III.Corm of Colocasia is a modified root. IV.Tendril in Vitis vinifera is a modified axillary bud.
  •  I and II
  •  II and IV
  •  II and III
  • I and IV
Solution
Statement I and II are correct.

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