Morphology of Flowering Plants Quiz-11

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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. Which one of the following is an example of cleistogamy?
  •  Sunflower
  •  Vallisneria
  •  Commelina
  •  Calotropis
In cleistogamy, bisexual flowers never open; therefore, the pollen grains may only pollinate the stigma of the same flower, e.g., Commelina benghalensis.

Q2.G (2) represents
  •  Gynoecium, bicarpellary, apocarpous, superior
  •  Gynoecium, bicarpellary, syncarpous, inferior
  •  Gynoecium, bicarpellary, syncarpous, inferior
  •  Gynoecium, bicarpellary, syncarpous, superior
G (2)Represents gynoecium, bicarpellary, syncarpous and superior

Q3.   Roots arising from the part of plant other than the radicle are called
  •  Adventitious root
  •  Stilt root
  •  Nodal root
  •  Intermodal root
In some plants like grass, Monstera and the banyan tree, roots arise from parts of the plant other than the radicle are called adventitious roots.

Q4. Number of carpels is Sida cordifolia is always
  •  Equal to the number of styles
  •  Equal to the number of locules
  •  Double the number of styles
  •  Half the number of locules
In Sida cordifolia, the number of carpels is equal to the number of locules.

Q5.Two plants ‘A’ and ‘B’ belonging to Solanaceae are observed. In plant ‘A’, the number of locules in the ovary of a flower is half of that of its carpel number. In plant B, the number of locules in the ovary of a flower is double the number of carpels. Identify the plants ‘A’ and ‘B’ respectively
  •  Capsicum, Datura
  •  Cestrum, Petunia
  •  Withania, Solanum
  •  Lycopersicon, Nicotiana
  In Datura stramonium, gynoecium is bicarpellary syncarpous, ovary superior, bilocular, becoming tetralocular due to formation of a false septa. Therefore, plant B is Datura. In Capsicum, gynoecium is bicarpellary, syncarpous, ovary superior. The cross wall ovary is unilocular in the upper part.

Q6. The capitulum type of inflorescence is found in
  •  Marigold
  •  Salvia
  •  Euphorbia
  •  Jasmine
Head or capitulum inflorescence consists of mono or dimorphic florets borne on a condensed axis, the receptacle. The florets are borne in acropetal manner but appear centripetal due to much condensation of the axis, e.g., Launea, Ageratum, Vernonia, Dahlia, Helianthus, marigold, etc.

Q7.Vascular bundles are arranged in a ring in the members of family
  •  Orchidaceae
  •  Iridaceae
  •  Euphorbiaceae
  •  Liliaceae
In dicotyledons or dicotyledone-vascular bundles are arranged in ring, e.g., Euphorbiaceea, Ranunculanceae, etc.

Q8.Identify A,B and C in the given diagram

  •  A-Region of maturation, B-Region of elongation, C-Region of meristemastic activity
  •  A-Region of elongation, B-Region of maturation, C-Region of meristematic activity
  •  A-Region of meristematic, B-Region of maturation, C-Region of elongation activity
  •  A-Region of meristematic, B-Region of elongation, C-Region of maturation
The cells of the elongation zone gradually differentiate and mature. Hence, this zone, proximal to the region of elongation, is called the region of maturation. From this region, some of the epidermal cells form very fine and delicate, thread-like structures called root hairs. These root hairs absorb water and minerals from the soil.


Q9.Inflorescence in jowar is
  •  Corymb
  •  Spike
  •  Panicle
  •  Head
In jowar (Sorghum vulgare), inflorescence is usually compact panicle, sometime loose and spreading panicle.

Q10. In Duranta, the nature of vasculated defensive structures represent the modification of
  •  Axillary bud as in Bougainvillea
  •  Terminal bud as in Carissa
  •  Stipules as in Acacia
  • Apical bud as in Artabotrys
Thorns are deep-seated outgrowths present as modified stem structures, possessing vascular cylinder surrounded by dark. In Duranta and Bougainvillea, thorns are the modification of axillary buds.

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Quiz-11-Morphology-of-Flowering-Plants Quiz-11
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