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Plant Kingdom Quiz-19

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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.  Anther produces
  •   Pollen grains
  •   Spores
  •   Gametes
  •   Egg cell
Solution
(a) Pollen grains. Male sex organ is stamen also known as androecium. It consists of an anther lobe and a filament. Anther produces pollen grains

Q2. The characteristic features of bryophytes are I. main plant body is gametophytic II. main plant body is sporophytic III. requirement of water for fertilisation Which of the statements given above are correct?
  •   I and II
  •   I and III
  •   II and III
  •   I, II and III
Solution
(b) In bryophytes, the haploid gametophyte is dominant, long lived, green and independent whereas the diploid sporophyte is short lived and dependent upon the gametophyte. Water is essential for reproduction. The sex organs are multicellular and jacketed with sterile jacket

Q3.   In gymnosperms, pollination takes place by
  •   Water
  •   Air
  •   Insects
  •   Animals
Solution
(b) In gymnosperm pollen grain is released from microsporangium and carried with the help of air current. It comes in contact with opening of ovule

Q4.  Cyanobacterium is an algae having
  •   Blue-green pigment
  •   Red pigment
  •   Brown pigment
  •   Yellow-brown pigment
Solution
(a) The members of Myxophyceae or Cyanophyceae are commonly known as blue-green algae due to the presence of blue-green pigment phycocyanin, phycoerythrin alongwith chlorophyll carotene and myxoxanthin

Q5. First vascular plant is
  •   Thallophyta
  •   Bryophyta
  •   Pteridophyta
  •   Spermatophyta
Solution
  (c) Pteridophytes are spore forming, non-seed bearing, non-flowering vascular plants. Thallophytes do not have vascular tissues. Bryophytes also come under thallophytes. Spermatophyte is a group of seed forming vascular plants. It includes gymnosperms and angiosperms.

Q6.  In gymnosperm, the multicellular female gametophyte is retained with in
  •   Microsporangium
  •   Megasporangium
  • Male gametophyte
  •   Archegonia
Solution
(b) The multicellular female gametophyte is retained with in megasporagium

Q7. Consider the following statements I. In red algae vegetative reproduction takes place by fragmentation II. In red algae the food is stored as floridean starch, which is very similar to amylopectin and glycogen is structure III. Cell wall of red algae consists of chitin Which of the statements given above are correct?
  •   I and II
  •   I and III
  •   II and III
  •   All of these
Solution
(a) In red algae vegetative reproduction takes place by fragmentation. The reserve food material is in the form of floridean starch. It is very much similar to amylopectin and glycogen in structure. The cell wall is made up of cellulose, pectic compounds and certain mucopolysaccharides called phycocolloids

Q8. In funaria capsule, dispersal of spores takes place through
  •   Peristomial teeth
  •   Annulus
  •   Calyptra
  •   Operculum
Solution
(a) In moss the dispersal of spores is facilitated by hygroscopic pouring movements of peristomial teeth (lengthening and shortening of peristomial teeth). The inner peristome acts as a sieve allowing only few spores to escape at a time.

Q9. Read carefully the given statements about algae and choose the correct option I. The plant body is thalloid II. Mainly aquatic III. Reproduction takes place by vegetative, asexual and sexual IV. and are the colonial form of algae
  •   I, II and III
  •   II, III and IV
  •   I, III and IV
  •   I, II, III and IV
Solution
(a) Algae is a group of chlorophyll bearing, photosynthetic, autotrophic, thalloid plants. Except a few, all the algae are aquatic. The algae reproduce by vegetative, asexual and sexual means. Ulothrix is a filamentous algae and Volvox is in colonial form

Q10.  Which of the following algae are suitable for human consumption?
  •  laminaria fucas
  •   gracilaria chondrus
  •   porphyra spirogyra
  • rhodymania porphyra
Solution
porpyra (d) is used as food in various countries and rhodydmania palmata is chewed as tobacco in Scotland.

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