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पहिली ते दहावी संपूर्ण अभ्यास

पहिली ते दहावी संपूर्ण अभ्यास
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Friday 30 August 2024

PLANT KINGDOM NEET MCQ

 PLANT KINGDOM NEET MCQ 


Q161. All statements are true for both ferns and conifers, except 

(1) True stem, leaves and roots in main plant body 

(2) Independent free living existence of gametophytes 

(3) Archegoniate embryophytes 

(4) Oogamous sexual reproduction

Ans.2

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Q162. How many of the following feature(s) is/are commonly concerned with Pinus as well as Cycas? 

(a) Pinnate leaves 

(b) Mycorrhiza 

(c) Branched stem 

(d) Wind pollination 

(e) Female strobili 

(f) Non-motile sperms 

(g) Simple leaves 

(h) Naked ovule 

Mark the correct option. 

(1) Three              (2) Four 

(3) Two                (4) One

Ans.3

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Q163. Ferns and mosses resemble in possessing 

(1) Large sized true leaves 

(2) Unicellular rhizolds 

(3) Haplo-diplontic life cycle pattern 

(4) Gametic meiosis in lifecycle

Ans.3

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Q164. Which of the following is a wrong combination? 

(1) Cell wall is made up  -Brown

of cellulose and algin       algae

(2) Strobilus, haplontic  -Horsetails

life cycle, biflagellate 

sperm Horsetails 

(3) Non motile                 -Red 

      gametes                       algae 

 

(4) Coralloid roots,         -Cycadales 

      dioecious                     plants 

Ans.2

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Q165. What will be the number of chromosomes in endosperm (p) and perisperm (q) if there are 12 chromosomes in venter canal cell of a conifer? 

(1) (p) 36, (q) 24          

(2) (p) 24, (q) 24 

(3) (p) 36, (q) 12        

(4) (p) 12, (q) 24

Ans.4

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Q166. In which of the following plant (s), dominant phase is the independent, photosynthetic, thalloid, dorsiventral haploid gametophyte which alternates with the short-lived multicelled sporophyte totally dependent on gametophyte? 

(1) Funaria, Sphagnum 

(2) Marchantia, Riccia 

(3) Pteris, Porella 

(4) Both (1) & (2)

Ans.2

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Q167. Heterosporous vascular cryptogams fail to develop seeds because 

(1) Female gametes are large and non-motile 

(2) Retention of megaspores permanently within the megasporangia has not become established 

(3) Fusion of gametes results in formation of zygote which develops into embryo 

(4) They lack precocious germination of spores

Ans.2

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Q168. Which of the following structure/feature is common in Volvox, mosses, ferns and conifers? 

(1) True leaves 

(2) Vascular bundles 

(3) Embryo 

(4) Oogamous reproduction

Ans.4

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Q169.Ginkgo and Cedrus are included in gymnosperms because 

(1) Ovary is not enclosed by any wall and remains exposed, both before and after fertilisation 

(2) Seeds are not protected by seed coats 

(3) Seeds do not occur inside the fruit 

(4) Both (2) and (3)

Ans.3

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Q170. If a root cell of a pteridophyte contains 10 chromosomes, then the chromosome number in its leaf cell, sperm mother cell and spore mother cell respectively is 

(1) 10, 10, 10 

(2) 5, 10, 10 

(3) 10, 5, 10 

(4) 10, 5, 5

Ans.3

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