NEET Biology Class 12 Chapter 1 : Sexual Reproduction in Flowering Plants MCQ Question

🌸 Sexual Reproduction in Flowering Plants - 50 NEET MCQs

Q1. The outermost layer of microsporangium is

a) Tapetum b) Epidermis c) Middle layer d) Endothecium

Q2. Pollen grains are rich in

a) Sporopollenin b) Cellulose c) Pectin d) Lignin

Q3. Which is the male gametophyte in angiosperms?

a) Microspore b) Pollen grain c) Pollen tube d) Generative cell

Q4. The embryo sac of angiosperms is

a) 8-nucleate, 7-celled b) 7-nucleate, 8-celled c) 4-nucleate, 4-celled d) 8-nucleate, 8-celled

Q5. Double fertilization was discovered by

a) Strasburger b) Nawaschin c) Hofmeister d) Maheshwari

Q6. What is the ploidy of endosperm?

a) n b) 2n c) 3n d) 4n

Q7. The outermost whorl of flower is

a) Corolla b) Calyx c) Androecium d) Gynoecium

Q8. Tapetum provides nutrition to

a) Megaspore b) Microspore c) Embryo d) Endosperm

Q9. Cleistogamous flowers are

a) Cross pollinated b) Self pollinated c) Wind pollinated d) Insect pollinated

Q10. Example of anemophily is

a) Mango b) Wheat c) Hibiscus d) Orchid

Q11. The functional megaspore forms

a) Embryo b) Embryo sac c) Endosperm d) Ovule

Q12. Synergids are present at

a) Micropylar end b) Chalazal end c) Centre d) Random

Q13. Pollination by water is called

a) Anemophily b) Entomophily c) Hydrophily d) Zoophily

Q14. The number of male gametes in a pollen tube is

a) 1 b) 2 c) 3 d) 4

Q15. Albuminous seeds have

a) No endosperm b) Persistent endosperm c) Two cotyledons d) One cotyledon

Q16. Apomixis means

a) Sexual reproduction b) Asexual seed formation c) Double fertilization d) Cross pollination

Q17. Geitonogamy is

a) Self pollination b) Pollination between two flowers of same plant c) Cross pollination d) No pollination

Q18. The integuments of ovule form

a) Seed coat b) Fruit wall c) Endosperm d) Embryo

Q19. Bagging technique is used for

a) Self pollination b) Cross pollination c) Emasculation d) Preventing unwanted pollination

Q20. The first cell of male gametophyte is

a) Generative cell b) Microspore c) Vegetative cell d) Tube cell

Q21. Which layer undergoes radial thickening?
a) Epidermis b) Endothecium c) Tapetum d) Middle layer

Q22. Pollen bank stores pollen at
a) 0°C b) -196°C c) 4°C d) Room temp

Q23. Female gametophyte is
a) Ovule b) Embryo sac c) Megaspore d) Egg

Q24. The triploid tissue is
a) Embryo b) Endosperm c) Nucellus d) Integument

Q25. Non-albuminous seed example
a) Wheat b) Pea c) Maize d) Castor

Q26. Dichogamy prevents
a) Autogamy b) Geitonogamy c) Xenogamy d) Apomixis

Q27. The wall of ovary forms
a) Seed b) Fruit c) Endosperm d) Embryo

Q28. Parthenocarpic fruit is
a) Mango b) Banana c) Apple d) Orange

Q29. Polyembryony is seen in
a) Mango b) Pea c) Wheat d) Rice

Q30. The largest cell of embryo sac
a) Synergid b) Antipodal c) Central cell d) Egg

Q31. Exine of pollen is made of
a) Cellulose b) Sporopollenin c) Pectin d) Cutin

Q32. Emasculation is removal of
a) Pistil b) Anthers c) Petals d) Sepals

Q33. The number of pollen grains per anther
a) Thousands b) Millions c) Hundreds d) Billions

Q34. Insect pollinated flowers are
a) Small, dull b) Large, colorful c) Odorless d) Nectarless

Q35. The embryo develops from
a) Zygote b) Endosperm c) Egg d) Polar nuclei

Q36. Coleoptile is present in
a) Dicot b) Monocot c) Both d) None

Q37. Perisperm is
a) Persistent nucellus b) Endosperm c) Integument d) Seed coat

Q38. The type of placentation in pea
a) Axile b) Marginal c) Parietal d) Basal

Q39. Self incompatibility prevents
a) Cross pollination b) Self pollination c) Both d) None

Q40. The process of fusion of male and female gamete
a) Fertilization b) Syngamy c) Double fertilization d) Triple fusion

Q41. Micropylar end has
a) Antipodals b) Synergids c) Polar nuclei d) Central cell

Q42. The fruit formed without fertilization
a) True fruit b) False fruit c) Parthenocarpic fruit d) Aggregate fruit

Q43. The male gametes are formed by
a) Mitosis b) Meiosis c) Amitosis d) Binary fission

Q44. The edible part of coconut
a) Endocarp b) Endosperm c) Embryo d) Mesocarp

Q45. The embryo sac develops from
a) Megaspore mother cell b) Functional megaspore c) Microspore d) Nucellus

Q46. Protandry is seen in
a) Sunflower b) Pea c) Wheat d) Maize

Q47. The number of nuclei involved in double fertilization
a) 2 b) 3 c) 4 d) 5

Q48. The outer covering of ovule
a) Tegmen b) Testa c) Integument d) Pericarp

Q49. Wind pollinated flowers produce
a) Less pollen b) More pollen c) Nectar d) Fragrance

Q50. The seed coat is derived from
a) Nucellus b) Integuments c) Endosperm d) Embryo