ThePrismSolutions

ThePrismSolutions

Sexual Reproduction in Flowering Plant




Q.1) Mango and guava are propagated through :

a) Tissue culture
b) Grafting
c) Stem cuttings
d) Layering


Q.2) Explant is :

a) A small part of plant for tissue culture
b) Exploited part of plant
c) Harvested plant
d) Uprooted part for transplantion


Q.3) Out of the following which two methods yield genetically similar plants :

i) Stem cutting, ii) seed production, iii) Mutation, iv) tissue culture.

a) (i) and (ii)
b) (ii) and (iii)
c) (i) and (iv)
d) (ii) and (iv)



Q.4) In due course of evolution, it is interesting to find that plant showing allogamy and their pollinators have evolved together. It is called:

a) Co-evolution
b) Mutualism

c) Proto-cooperation
d) Commensalism


Q.5) Development of haploid plants from totipotent pollen is called :

a) Androgenesis
b) Parthenocarpy
c) Emasculation
d) Somatic Hybridization


Q.6) The ploidy of testa and tegmen is respectvely :

a) n, n
b) 2n, 2n
c) 2n, n
d) n, 2n
Q.7) Seed coat is derived from:

a) Pericarp
b) Epicarp
c) Integuments of ovule
d) Nucellus


Q.8) Which type of pollen grains are found in insect pollinated flowers ?

a) Hygroscopic
b) Light and sticky
c) Light and rough
d) Heavy and Coloured


Q.9) Aleurone layer is part of :

a) Self sterility
b) Dichogamy
c) Heterogamy
d) None of these


Q.10) The plant part which consist of two generation one with in the other is :

a) Germinated pollen grain
b) Embryo
c) Unfertilized ovule
d) seed






ANSWER


(Ans 1.) B

(Ans 2.) A

(Ans 3.) C

(Ans 4.) A

(Ans 5.) A

(Ans 6.) B

(Ans 7.) C

(Ans 8.) B

(Ans 9.) A

(Ans 10.) C


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