Class 12 Biology MCQ Chapter 2 Sexual Reproduction in Flowering Plants Solutions English Medium to each chapter is provided in the list so that you can easily browse through different chapters Class 12 Biology MCQ Chapter 2 Sexual Reproduction in Flowering Plants Question Answer in English and select need one. AHSEC Class 12 Biology Objective Type Question Answer As Per AHSEC New Book Syllabus Download PDF. AHSEC Biology MCQ Class 12 Solutions.
Class 12 Biology MCQ Chapter 2 Sexual Reproduction in Flowering Plants
Also, you can read the NCERT book online in these sections Solutions by Expert Teachers as per Central Board of Secondary Education (CBSE) Book guidelines. AHSEC Class 12 Biology Multiple Choice Solutions in English Medium are part of All Subject Solutions. Here we have given AHSEC Class 12 Biology MCQ Question Answer English Medium for All Chapters, You can practice these here.
Sexual Reproduction in Flowering Plants
Chapter: 2
| MCQs |
Choose the Correct Option:
1. What is the main purpose of sexual reproduction in flowering plants?
(i) To create new variants for species survival.
(ii) To produce seeds.
(iii) To form flowers.
(iv) To produce fruits.
Ans: (i) To create new variants for species survival.
2. Which part of the flower represents the male reproductive organ?
(i) Androecium.
(ii) Gynoecium.
(iii) Sepals.
(iv) Petals.
Ans: (i) Androecium.
3. What is the process of formation of pollen grains called?
(i) Microsporogenesis.
(ii) Microsporogenesis.
(iii) Microspore formation.
(iv) Microspore tetraploidy.
Ans: (i) Microsporogenesis.
4. What does the anther of a stamen contain?
(i) Megasporangium.
(ii) Microsporangium.
(iii) Ovules.
(iv) Embryos.
Ans: (ii) Microsporangium.
5. Which part of the female reproductive organ is involved in pollination?
(i) Ovary.
(ii) Stigma.
(iii) Style.
(iv) Petals.
Ans: (ii) Stigma.
6. The fusion of one male gamete with the egg cell is called:
(i) Syngamy.
(ii) Triple fusion.
(iii) Fertilization.
(iv) Meiosis.
Ans: (i) Syngamy.
7. Which type of fusion results in the formation of the zygote?
(i) Syngamy.
(ii) Triple fusion.
(iii) Binary fusion.
(iv) Non-fertilization.
Ans: (i) Syngamy.
8. Which part of the flower develops into the seed?
(i) Ovary.
(ii) Ovule.
(iii) Stigma.
(iv) Petal.
Ans: (ii) Ovule.
9. What is the main advantage of apomixis?
(i) It leads to genetic variation.
(ii) It allows for the formation of seeds without fertilization.
(iii) It leads to increased pollen production.
(iv) It produces hybrid varieties.
Ans: (ii) It allows for the formation of seeds without fertilization.
10. Which part of the ovule is responsible for fertilization?
(i) Micropyle.
(ii) Chalaza.
(iii) Nucellus.
(iv) Funicle.
Ans: (i) Micropyle.
11. In which part of the embryo sac does the male gamete fuse with the egg cell?
(i) Antipodal cells.
(ii) Egg cell.
(iii) Polar nuclei.
(iv) Synergids.
Ans: (ii) Egg cell.
12. What is formed during triple fusion in flowering plants?
(i) Zygote.
(ii) Endosperm.
(iii) Polar nuclei.
(iv) Synergids.
Ans: (ii) Endosperm.
13. Which of the following is a characteristic of pollen grains?
(i) They contain only one cell.
(ii) They are spherical and have a two-layered wall.
(iii) They do not contain any genetic material.
(iv) They are formed only in the pistil.
Ans: (ii) They are spherical and have a two-layered wall.
14. The exine of the pollen grain is made of:
(i) Cellulose.
(ii) Pectin.
(iii) Sporopollenin.
(iv) Proteins.
Ans: (iiI) Sporopollenin.
15. In which of the following stages does the embryo sac become 7-celled and 8-nucleate?
(i) After microsporogenesis.
(ii) After fertilization.
(iii) During megasporogenesis.
(iv) During pollen formation.
Ans: (ii) After fertilization.
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