Plant Kingdom 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. In gymnosperm the roots are generally
  •   Respiratory root
  •   Prop root
  •   Tap root
  •   Adventitious root
(c) In gymnosperms the primary root commonly grows to become a thick central root, the tap root, which may or may not have thick lateral roots (branches)

Q2. Consider the following statements I. They reproduce asexually by non-motile spores and sexually by non-motile gametes II. In this class, sexual reproduction is oogamous and accompanied by complex post-fertilisation developments III. The common members are polysiphonia ,porpyra ,gracilaria, and gelidium The above characteristics are belongs to which class of algae
  •  Chlorophyceae
  •   Phaeophyceae
  •   Both (a) and (b)
  •   Rhodophyceae
(c) All statements belong to class-Rhodophyceae

Q3.   Which is wrong in respect to bryophytes?
  •   Water is essential for sexual reproduction
  •   Presence of antheridium
  •   Presence of ciliated sperms
  •   Presence of autotrophic independent sporophyte
(d) In bryophytes the diploid sporophyte is short lived and dependent upon the gametophyte

Q4.  Identify and in the following figure and choose the correct option
  •   A-Strobilus, B-Node, C-leaves
  •   A-Strobilus, B-node, C-branch
  •   A-Sporophyll, B-Node, C-Internode
  •   A-Sporophyll, B-Internode, C-Node
(b) A-Strobilus, B-Node, C-Branch

Q5. Iodine is obtained from
  •   laminaria
  •   chlorella
  •   polysiphonia
  •   porpyra
  (a) Brown algae such as etc, are the main source of iodine.

Q6.  Eight nucleated female gametophyte is found in
  •   Bryophytes
  •   Gymnosperms
  • Angiosperms
  •   Pteridophytes
(c) Polygonum type of embryo sac is the most common in angiosperms. It is 7-celled and 8-nucleate. The nuclei are arranged in such a way that three organised at micropylar end and form egg apparatus (one egg and two synergides,) two nuclei migrate to centre and form polar nuclei in a single central cell and three nuclei at chalazal pole organised into antipodal cells

Q7. Which of the following plant does not have rhizombium containing root nodules?
  •   phaselous
  •   pinus
  •   pisum
  •   cicer
(b) is a gymnospermic plant that does not have containing root nodules.

Q8. Which of the following is correct for cycas reproduction?
  •   Zooidogamy is followed by siphonogamy
  •  Siphonogamy is followed by zooidogamy
  •   Siphonogamy only
  •   Zooidogamy
(b) Fertilization in is siphonogamous followed by zooidogamous. During fertilization the pollen tube discharging its contents into the liquid of archegonial chamber. The cilia and membrane of sperm slips off and cytoplasm and nucleus fuses with the egg forming oospore.

Q9. Cleavage polyembryony occurs in
  •   pinus
  •   mini cycas
  •   cycas
  •   ephendra
Polyembryony is of common occurrence among the gymnosperms. This is possible because more than one archegonia are fertilized and more than one zygote are formed. These develop into embryos but only one of them succeeds in developing into a complete embryo. In the conifers, there is a cleavage polyembryony. In this case, all the four cells of the young embryo separate and develop into four embryos, but only one completely develops and others abort,

Q10.  Consider the following statements I. The plants have magnificent property of retaining water. They can with hold water two hundred times more than their own weight. Hence, they are widely used by gardeners to keep cut plant parts moist during transportation and propagation II. These plants grow as semiaquatic or submerged in acidic marshes. The older portions of plant die but do not decay due to peculiar germicidal properties The above statements belongs to which of the following bryophitic plant?
  •   Pogonatum
  •   Funaria
  •   Sphagnum
  • Marchantia
(c) Sphagnum

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quiz14 plantkingdom
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