Sexual Reproduction in Flowering Plants MCQ Questions for Class 12 Biology Chapter 2 with Answers

Its our pleasure to assist you towards your goal .for inbuilt quality question with standard solution may help you a lot. Class 12 Biology book Chapter 2 Sexual Reproduction in Flowering Plants with Answers Pdf free download .This may assist you to understand and check your knowledge about the chapters. MCQ question and solution may help you to get better performance in exam.

NCERT MCQ Chapters for Class 12 Biology

Q1. Maize is:

(A) Hygrophilous
(B) Anemophilus
(C) Cleistogamous
(D) Entomophilous

(B) Anemophilus

Q2. Even in absence of pollinating agents seed-setting is assured in

(A) Commelina
(B) Zostera
(C) Salvia
(D) Fig

(A) Commelina

Q3. In Capsella the endosperm in generally:

(A) Haploid
(B) Diploid
(C) Triploid
(D) Tetraploid

Q4. Unisexuality of flowers prevents

(A) Autogamy, but not geitonogamy
(B) Both geitonogamy and xenogamy
(C) Geitonogamy, but not xenogamy
(D) Autogamy and geitonogamy

(A) Autogamy, but not geitonogamy

Q5. While planning for an artificial hybridisation programme involving dioecious plants, which of the following steps would not be relevant?

(A) Bagging of female flower
(B) Dusting of pollen on stigma
(C) Emasculation
(D) Collection of pollen.

Q6. When the pollen of a flower is transferred to the stigma of another flower on the same plant, the process is known as

(A) autogamy
(B) geitonogamy
(C) xenogamy
(D) cleistogamy

(B) geitonogamy

Q7. Pollen grain of large number of species can be stored in:

(A) Liquid oxygen
(B) Liquid carbon dioxide
(C) Liquid sulphur dioxide
(D) Liquid nitrogen

(D) Liquid nitrogen

Q8. The outermost and innermost wall layers of microsporangium in an anther are respectively:

(A) Endothecium and tapetum
(B) Epidermis and endodermis
(C) Epidermis and middle layer
(D) Epidermis and tapetum.

(D) Epidermis and tapetum.

Q9. Spiny or sticky pollen grains and large, attractively coloured flowers are associated with

(A) hydrophily
(B) entomophily
(C) ornithophily
(D) anemophily

(B) entomophily

Q10. Normal Embryosac of Angiosperm is :

(A) Unicellular
(B) Bicelled
(C) Penta celled
(D) Seven called

(A) Unicellular

Q11. From among the situations given below, choose the one that prevents both autogamy and geitonogamy.

(A) Monoecious plant bearing unisexual flowers
(B) Dioecious plant bearing only male or female flowers
(C) Monoecious plant with bisexual flowers
(D) Dioecious plant with bisexual flowers.

(B) Dioecious plant bearing only male or female flowers

Q12. Both chasmogamous and cleistogamous flowers are present in

(A) Helianthus
(B) Commelina
(C) Rosa
(D) Gossypium

(B) Commelina

Q13. In an embryo sac, the cells that degenerate after fertilisation are:

(A) Synergids and primary endosperm cell.
(B) Synergids and antipodals.
(C) Antipodals and primary endosperm cell.
(D) Egg and antipodals.

(B) Synergids and antipodals.

Q14. The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons?

(A) Cotyledon
(B) Endosperm
(C) Aleurone layer
(D) Plumule

(A) Cotyledo

Q15. In a fertilised embryo sac, the haploid, diploid and triploid structures are:

(A) Synergid, zygote and primary endosperm nucleus.
(B) Synergid, antipodal and polar nuclei.
(C) Antipodal, synergid and primary endosperm nucleus.
(D) Synergid, polar nuclei and zygote.

(A) Synergid, zygote and primary endosperm nucleus.

Q16. The development of fruits without fertilisation of the ovary, is called

(A) parthenogenesis
(B) parthenocarpy
(C) agamospermy
(D) apomixis

(B) parthenocarpy

Q17. The phenomenon wherein, the ovary develops into a fruit without fertilisation is called

(A) Apomixis
(B) Parthenocarpy
(C) Asexual reproduction
(D) Sexual reproduction

(B) Parthenocarpy

Q18. A dicotyledonous plant bears flowers but never produces fruits and seeds. The most probable cause for the above situation is :

(A) Plant is dioecious and bears only pistillate flowers
(B) Plant is dioecious and bears both pistillate and staminate flowers
(C) Plant is monoecious
(D) Plant is dioecious and bears only staminate flowers.

(D) Plant is dioecious and bears only staminate flowers.

Q19. Which of the following is not a water pollinated plant ?

(A) Zostera
(B) Vallisneria
(C) Hydrilla
(D) Cannabis

(D) Cannabis

Q20. Which structure is not found in Angiosperm?

(A) Archegonium
(B) Carpel
(C) Anther
(D) Magagametophyte

(A) Archegonium

I Think the given NCERT MCQ Questions for class 12 Biology book Chapter 2 Sexual Reproduction in Flowering Plants with Answers Pdf free download will assist you. If you’ve got any queries regarding CBSE Class 12 Biology Sexual Reproduction in Flowering Plants MCQs Multiple Choice Questions with Answers, drop a comment below and that we will come back to you soon.