ThePrismSolutions

ThePrismSolutions

Sexual Reproduction in Flowering Plant



Q1. Double fertilization is the process in plant that includes:

(A) Syngamy and triple fusion
(B) only triple fusion
(C) Development of antipodal cell
(D) None of these



Q2. Transverse binary fission occurs in :

(A) Euglena
(B) Amoeba
(C) Hydra
(D) Paramecium



Q3. In the monocotyledonous seeds, the endosperm is separated from the embryo by a distinct layer known as:

(A) Testa
(B) Aleurone layer
(C) Tegmen
(D) Scutellum
(E) coleoptile



Q4. Type of pollination in commelina is :

(A) Chasmogamy
(B) Geitonogamy
(C) Xenogamy
(D) Autogamy



Q5. Cellular totipotency is demonstrated by :

(A) Only gymnospermous cell
(B) All plant cell
(C) All eukaryotic cells
(D) All bacterial cells



Q6. Cotyledons and testa respectively are edible part in :

(A) Cashwnut and litchi
(B) Groundnut and pomegranate
(C) walnut and Tamarind
(D) Frenchbean and coconut



Q7. In grafting, stock is :

(A) Stem of desired variety
(B) Bud of desired variety
(C) Part of rooted plant
(D) part to be grafted



Q8. Sporopollenin is chemically :

(A) Fatty substance
(B) Homopolysaccharides
(C) Proteins
(D) Heteropolysaccharides



Q9. Which of the following statements about sporopollenin is false ?

(A) Exine is made up of sporopollenin
(B) Sporopollenin is most resistant organic material
(C) Exine has apertures called germpores where sporopollenin is present
(D) sporopollenin can withstand high temperature and strong acids
(E) No enzyme that degrades sporopollenin is so far known



Q10. In which of the following kinds of ovules, the embryo sac is horse-shoe shaped?

(A) Hemitropous ovules
(B) orthortopous ovules
(C) Amphitropous ovules
(D) Circinotropous Ovules



ANSWER


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



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