Reproduction in Flowering Plants - NCERT Based MCQs for NEET

This article contains NCERT based MCQ questions test on Biology chapter "Reproduction in Flowering Plants". You can attempt these questions in the form of an interactive quiz and calculate your score. Read the below quiz rules carefully before you start.

General Instructions

• Quiz contains 45 questions of 4 marks each.
• Correct answer (✔) will award you +4 marks and Incorrect answer (✘) will give you -1 mark.
• Total test is of 180 marks.
• Tap on box in order to select any option that you think is correct.
• Press the Submit button given in the end of quiz to calculate your score.
• There is a PDF file attached in the end of quiz. You can see detailed solutions to all questions and do self analysis from that file as well. 

Question 1. Find out the odd one

(1) Micropyle 

(2) Embryo sac

(3) Nucellus 

(4) Pollen grain

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Question 2. The ovule attached to the placenta of ovary wall by

(1) Raphae 

(2) Micropyle

(3) Funicle 

(4) Hilum

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Question 3. Function of filiform apparatus is to –

(1) recognise the suitable pollen at stigma.

(2) stimulate division of generative cell.

(3) produce nectar.

(4) guide entry of pollen tube.

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Question 4. Which one of the following statements is correct?

(1) The seed in grasses is not endospermic.

(2) Mango is a parthenocarpic fruit.

(3) A proteinaceous aleurone layer is present in maize grain

(4) A sterile pistil is called a staminode.

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Question 5. An angiosperm male plant with 24 chromosomes in its pollen mother cells is crossed with female plant bearing 24 chromosomes in its root cells. What would be the ploidy of embryo and endosperm respectively formed after his cross?

(1) 24 and 48

(2) 24 and 24

(3) 48 and 72 

(4) 24 and 36

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Question 6. Cross pollination does not occur in

(1) allogamous flowers 

(2) geitonogamous flowers

(3) cleistogamous flowers 

(4) chasmogamous flowers

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Question 7. Select the plants pollinated by water

I. Water hyacinth 

II. Zostera

III. Amorphophallus 

IV. Vallisneria

V. Yucca

(1) I, IV and V 

(2) II and V

(3) II and IV 

(4) II, III and IV

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Question 8. Which of the following feature (s) is/are common to both wind and water pollinated flowers?

I. Pollen grains are long and ribbon-like

II. Stigma is large and feathery

III. The flowers are not colourful

IV. The flowers do not produce nectar

(1) III and IV 

(2) II and III

(3) I and II 

(4) Only II

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Question 9. Read the following statements and identify the correct options given

I. Angiosperms range in size from microscopic Wolffia to tall trees of Eucalyptus.

II. In angiosperms, the seeds are enclosed by fruits.

III. Double fertilization is an event unique to angiosperms.

IV. In angiosperms, each cell of an embryo sac is diploid.

V. In angiosperms, the zygote develops into an endosperm.

(1) I, II and IV 

(2) I, II and V

(3) I, II and III 

(4) II, III and IV

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Question 10. Cross pollination through insect agent is called

(1) anthropophily 

(2) malacophily

(3) entomophily 

(4) omithophily

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Question 11. Cleistogamous flowers are –

(1) bisexual flowers which remain opened

(2) bisexual flowers which remain closed

(3) open female flower

(4) open male flower

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Question 12. Emasculation ensures cross pollination in

(1) staminate flower 

(2) bisexual flower

(3) neuter flower 

(4) pistillate flower

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Question 13. Which part of the plant contain sporogenous tissue?

(1) Pollen 

(2) Microspores

(3) Young anther 

(4) Stamen

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Question 14. Transfer of pollen grains from the anther to the stigma of another flower of the different plant is known as

(1) Autogamy 

(2) Geitonogamy

(3) Xenogamy 

(4) Cleistogamy

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Question 15. The embryo sac of angiosperms contains

(1) 3 celled egg apparatus, 3 antipodal cell and 2 polar nuclei.

(2) 2 celled egg apparatus, 3 antipodal cell and 2 polar nuclei.

(3) 3 celled egg apparatus, 2 antipodal cell and I polar nuclei.

(4) 3 celled egg apparatus, 1 antipodal cell and 2 polar nuclei.

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Question 16. Zygote is resulted by the process –

(1) Isogamy 

(2) Anisogamy

(3) Monogamy 

(4) Syngamy

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Question 17. Developing pollen is nourished by

(1) tapetum 

(2) endothecium

(3) epidermis 

(4) spore mother cell

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Question 18. During the process of sexual reproduction in flowering plants, double fertilization involves

(1) fertilization of egg cell by two male gametes.

(2) fertilization of egg cell and a central cell by two male gametes brought by same pollen tube.2

(3) fertilization of egg cell and a central cell by two male gametes brought by different pollen tube.

(4) fertilization of two egg cells by two male gametes brought by same pollen tube.

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Question 19. Endosperm, a product of double fertilization in angiosperms is absent in the seeds of –

(1) gram 

(2) orchids

(3) maize 

(4) Both (1) and (2)

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Question 20. PEN stands for

(1) Primary Endosperm Nucleus

(2) Polyembryo Nourishment

(3) Primary Endosperm Nourishment

(4) Primary Embryo Nourishment

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Question 21. In which of the following plants, pollen is released before the stigma becomes receptive in the same flower?

(1) Allium 

(2) Colchicum

(3) Datura 

(4) Solanum

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Question 22. Identify the pair of wrong statements in the following.

I. Intine of pollen grain in made up of sporopollenin.

II. Pollen grains are well preserved as fossils because of the presence of sporopollenin.

III. Enzymes can degrade the organic material of the exine of pollen grain.

IV. Sporopollenin can withstand high temperatures strong acids and alkali.

(1) III and IV 

(2) I and III

(3) I and II 

(4) II and III

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Question 23. Wind pollinated plants generally do not show the following character –

(1) feathery stigma

(2) single ovule in the ovary

(3) well exposed stamens

(4) flowers are large and colorful

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Question 24. The germ pores in the pollen grain are the regions

(1) that can withstand high temperature and strong acids and alkalies

(2) through which sperms are released into the female gametophyte

(3) which are made up of lignin and suberin

(4) which lack sporopollenin

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Question 25. In castor and maize plants –

(1) autogamy is prevented but not geitonogamy.

(2) both autogamy and geitonogamy are prevented.

(3) male and female flowers are borne by different plants.

(4) the anthers and stigma are placed at different positions to encourage cross pollination.

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Question 26. Nucellar polyembryony is reported in species of

(1) Gossypium 

(2) Triticum

(3) Brassica 

(4) Citrus

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Question 27. In which one of the following pollination is autogamous?

(1) Xenogamy 

(2) Chasmogamy

(3) Cleistogamy 

(4) Geitonogamy

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Question 28. If the number of chromosomes in egg cell is 8, then what is the number of chromosomes in endosperm?

(1) 24 

(2) 8

(3) 16 

(4) 12

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Question 29. Ruminate endosperm is found in the seeds of family

(1) Compositae 

(2) Cruciferae

(3) Euphorbiaceae 

(4) Annonaceae

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Question 30. Pericarp is formed of –

(1) endosperm 

(2) ovary wall

(3) tapetum 

(4) epidermis

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Question 31. Ubisch bodies are secreted by

(1) tapetum 

(2) exine

(3) microspore mother cells 

(4) endothecium

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Question 32. Male gametophyte of angiosperms is reduced to

(1) one cell 

(2) two cells

(3) three cells 

(4) four cells

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Question 33. 7-celled and 8-nucleated structure in angiosperms, is known as –

(1) embryo sac 

(2) endosperm

(3) embryo 

(4) egg apparatus

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Question 34. Emasculation is concerned with

(1) hybridisation 

(2) clonal selection

(3) mass selection 

(4) pure line selection

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Question 35. Egg apparatus of angiosperms consists of

(1) one synergid and two egg cells

(2) two synergids and one egg cell

(3) one central ceil, two synergids and three antipodalcells

(4) one egg cell, two polar nuclei and three antipodalcells

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Question 36. Sporopollenin, a chemical substance is found in

(1) endothecium of anther 

(2) tapetum of anther

(3) intine of pollen grain 

(4) exine of pollen grain

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Question 37. What is the function of germ pore?

(1) Emergence of radical.

(2) Absorption of water seed germination.

(3) Initiation of pollen tube.

(4) Release of male gametes.

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Question 38. Which one of the following statements is wrong?

(1) When pollen is shed at two-celled stage, double fertilisation does not take place.

(2) Vegetative cell is larger, than generative cell.

(3) Pollen grains in some plants remain viable for months.

(4) Intine is made up of cellulose and pectin.

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Question 39. Plants with ovaries having only one or a few ovules, are generally pollinated by –

(1) bees 

(2) butterflies

(3) birds 

(4) winds

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Question 40. Male gametes in angiosperms are formed by the division of –

(1) microspore 

(2) generative cell

(3) vegetative cell 

(4) microspore mother cell

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Question 41. Unisexuality of flowers prevents

(1) autogamy but not geitonogamy.

(2) both geitonogamy and xenogamy.

(3) gietonogamy but not xenogamy.

(4) autogamy and geitonogamy.

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Question 42. Which one of the following is surrounded by a callose wall?

(1) Microspore mother cell 

(2) Male gamete

(3) egg 

(4) Pollen grain

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Question 43. An enzyme that can stimulate germination of barley seeds is

(1) lipase 

(2) protease

(3) invertase 

(4) α-amylase

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Question 44. Embryo developed from nucleus and integument is known as –

(1) apospory 

(2) apogamy

(3) apomixis 

(4) adventive embryony

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Question 45. Removal of anthers at the time of plant breeding is called

(1) emasculation 

(2) anthesis

(3) pollination 

(4) fertilization

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Detailed Solutions

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