ThePrismSolutions

ThePrismSolutions

Sexual Reproduction in Flowering Plant



Q1. Which statement is true for angiosperms ?

(A) Microspore is the resultant of mitotic division
(B) Microspore is the 1st cell of gametophytic generation
(C) Microspore is the resultant of double fertilization
(D) Microspore is the 1st cell of endosperm



Q2. During favourable condition the encysted amobea divides by multiple fission and produces pseudo-podispores. The phenomenon is known as:

(A) Budding
(B) sporulation
(C) Fagmentation
(C) Regeneration



Q3. A hybird where the cytoplasm of two parantal cells are fused by retaining only one parantal nucleus is called :

(A) Asymmetric somatic hybird
(B) cybird
(C) An interbred
(C) symmetric somatic hybird



Q4. Male gamete in angiosperm is produced by :

(A) Generative cell
(B) Microspore cell
(C) vegetative cell
(D) Tube cell



Q5. One advantage of cleistogamy is:

(A) it leads to greater genetic diversity
(B) seed dispersal is more efficient and wide spread
(C) seed set is not dependent on pollination
(D) Each visit of a pollinator results in transfer of hundred of pollen grains



Q6. Hydra repdroduces by budding. This is an example of :

(A) Asexual repdroduction
(B) Sexual repdroduction
(C) Regeneration
(D) Parthenocarpy



Q7. Identify the correct statement :

(A) Because of marked climatic variations, plants growing near the sea shore do not produce annual ring
(B) The age of the plant can be determined by its height
(C) Grafting is difficult in monocot plants as they have scattered vascular bundles
(D) Healing of damaged tissue is because of activity of sclerenchyma cells



Q8. vegetative propagation in Mint occurs by :

(A) stolon
(B) Runner
(C) Offset
(D) Rhizome



Q9. A typical dicotyledonous embryo consist of :

(A) Radicle only
(B) Embryonal axis only
(C) Cotyledons only
(D) Radicle, embryonal axis and cotyledons



Q10. Apomictic embryos in citrus arise from :

(A) Synergid
(B) Maternal sporophytic tissue
(C) Antipodals
(D) Egg cell



ANSWER


(Ans 1.) B
(Ans 2.) B
(Ans 3.) B
(Ans 4.) A
(Ans 5.) C
(Ans 6.) A
(Ans 7.) C
(Ans 8.) A
(Ans 9.) D
(Ans 10.) B



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