ThePrismSolutions

ThePrismSolutions

Sexual Reproduction in Flowering Plant



Q1. Why is asexual reproduction sometimes disadvantageous ?

(A) It allows sedentary animals to produce offspring without mates
(B) It allows animal to produce many offspring qucikly
(C) It saves times and energy of gamete formation
(D) It produces genetically uniform population



Q2. Meiosis occur in :

(A) Megaspore
(B) Meiocyte
(C) Conidia
(D) Gemmule



Q3.Syngamy can occur outside the body of organisms in :

(A) Algae
(B) Ferns
(C) Fungi
(D) Mosses



Q4. Perisperm differs from endosperm in :

(A) Having no reserve food
(B) Being a diploid tissue
(C) Its formation by fusion of secondary nucleus with several sperm
(D) Being a haploid tissue



Q5. Product of sexual reproduction generally generates :

(A) Prolonged dormancy
(B) New genetic combination leading to variation
(C) Large biomass
(D) Longer viability of seeds



Q6. Gametogenesis refers to the process of :

(A) Fusion of two gametes
(B) Fusion of two gametangia
(C) Formation of two types of gametes
(D) Formation of male gametes only



Q7. Life span is parrot is :

(A) 15 years
(B) 50 years
(C) 25 years
(D) 140 years



Q8. which one of the following is wrong about chara :

(A) Globule and nucule present on the same plant
(B) Upper antheridium and lower oogonium
(C) Globule is male reproductive structure
(D) Upper oogonium and lower round antheridium



Q9. Which one of the following shows isogamy with non-flagellated gametes :

(A) Ectocarpus
(B) Ulothrix
(C) Spirogyra
(D) Sargassum



Q10. Function of filiform apparatus is to :

(A) Guide the entry of pollen tube
(B) Recognize the suitable pollen at stigma
(C) Stimulate division of generative cell
(D) Produce nectar






ANSWER


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



Ask Your Query Here


....................

Coming Subjects

  • MATHS FOR JEE MAINS

  • PHYSICS FOR JEE MAINS

  • CHEMISTRY FOR JEE MAINS

  • HISTORY

  • C PROGRAMMING

  • JAVA PROGRAMMING