Reproduction in Flowering Plants mcq pdf neet download | Pollination

mcq on reproduction in flowering plants pollination
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Multiple choice Questions of Botany Topic Reproduction in Flowering Plants mcq pdf neet download and Pollination MCQs with Answers ( Reproduction in Flowering Plants mcq pdf neet download and Pollination Quiz ) for NEET, GATE, AIAPGET, NEET MDS, NEET PG, DNB PDCET, AIIMS SS, PGIMER (Other), AIIMS PG and many more competitive examinations.

MCQ on Sexual Reproduction in Flowering Plants | Exam Questions on Pollination

1. Dichogamy that favours cross – pollination is a type of floral mechanism in which

( a ) anthers and stigma are placed at different levels

( b ) stamens and stigma mature at different times

( c ) structure of anther and stigma acts as barrier

( d ) pollen is unable to germinate on its own stigma

Ans. b

2. Pollen grains of a flower fall on the stigma of another flowers of same plant . The phenomenon is

( a ) genetically autogamy and ecologically allogamy

( b ) genetically autogamy

( c ) ecologically allogamy

( d ) genetically allogamy and ecologically autogamy

Ans. a

3. Cross – pollination offers certain Advantages as well as disadvantages of plants . Which one of the following statements is not true about cross – pollination ?

( a ) It can fail to take place due to distance barrier

( b ) It is less economic because plants have to produce large number of pollen grains

( c ) It often gives high yield of crop

( d ) It takes place only in monoecious flowers

Ans. d

4. Occurrence of a fence or barrier between anthers and stigma of a flower is called

( a ) dichogamy

( b ) cleistogamy

( c ) herkogamy

( d ) heterostyly

Ans. c

5. What is the condition called in which a pollen of a flower falls on the stigma of another flower of the same plant ?

( a ) Ecologically cross – pollination

( b ) Genetically and ecologically cross – pollination

( c ) Genetically self – pollination and ecologically cross – pollination

( d ) None of the above

Ans. c

6. Some flowers are usually closed . It is seen in

( a ) homogamy

( b ) cleistogamy

( c ) protogamy

( d ) allogamy

Ans. b

7. For the process of pollination , pollen grain must

( a ) mature and has three nuclei

( b ) land on stigma

( c ) release its sperm nuclei

( d ) release its sperm

Ans. a

8. Hydrophily is an excellent demonstrative property of

( a ) Eichhornia

( b ) Nymphaea

( c ) Vallisneria

( d ) Nelumbium

Ans. c

Reproduction in flowering plants mcq pdf neet

9. Cleistogamy is commonly seen in

( a ) Ficus

( b ) Commelina

( c ) Anthocephalus

( d ) Vallisneria

Ans. b

10. The Yucca flower is pollinated by

( a ) butterfly

( b ) moth

( c ) honey bee

( d ) bumble bee

Ans. b

11. Pollination in the sausages occurs by

( a ) bats

( b ) birds

( c ) insects

( d ) wind

Ans. a

12. Cleistogamous flowers

( a ) never open

( b ) open in day

( c ) always open

( d ) few open and some remain closed

Ans. a

13. Chalazogamy is the common features of

( a ) Casuarina

( b ) Betula

( c ) Both ( a ) and ( b )

( d ) Cucurbita

Ans. c

Reproduction in flowering plants questions and answers pdf

14. Pollination in Salvia occurs through the agency of

( a ) insects

( b ) bats ( c ) ants

( d ) snails

Ans. a

15. Insect – pollinated flowers have

( a ) brightly coloured pollen

( b ) dry pollens with smooth surface

( c ) sticky pollen with rough surface

( d ) large quantities of pollen

Ans. c

16. Which of the following can prevent the self – pollination ?

( a ) Herkogamy

( b ) Dichogamy

( c ) Self – sterility

( d ) All of these

Ans. d

17. Flower pollinated by humming birds is

( a ) Bignonia

( b ) Peepal

( c ) Magnolia

( d ) Bougainvillea

Ans. a

18. ……… is / are favoured by heterostyly in Primula .

( a ) Autogamy

( b ) Allogamy

( c ) Homogamy

( d ) All of these

Ans. b

19. Pollination which can occur in the same plants is

( a ) dichogamy

( b ) dicliny

( c ) cleistogamy

( d ) herkogamy

Ans. c

20. Plants pollinated by moths possess

( a ) strong scents

( b ) long corolla tube

( c ) nectaries

( d ) All of these

Ans. d

Sexual reproduction in flowering plants mcq

21. The cross – pollinated flowers are

( a ) brightly coloured

( b ) small ‘

( c ) scented

( d ) Both ( a ) and ( c )

Ans. d

22. Pollen of anemophilous plants are

( a ) large and heavy

( b ) small and sticky

( c ) small , dry and unwettable

( d ) large , light and hygroscopic

Ans. c

23. Self – pollination in potato is performed in

( a ) bud condition

( b ) cleistogamous condition

( c ) bending of filaments to bring anthers in contact with stigma

( d ) when style bends to bring stigma in contact with anthers .

Ans. d

24. Pollination in Vallisneria is

( a ) hydrophilous

( b ) cleistogamous

( c ) anemophilous

( d ) entomophilous

Ans. a

25. Maize is

( a ) cleistogamous

( b ) anemophilous

( c ) entomophilous

( d ) hydrophilous

Ans. b

26. In custard apple ,

( a ) self pollination is highly likely

( b ) the flowers are dioecious

( c ) anthers and stamens may mature at different times

( d ) All of the above

Ans. c

27. Distance between the stigma and anthers in the same flower

( a ) reduces the chances of self pollination

( b ) enhances the chances of self pollination

( c ) reduces the chances of cross pollination

( d ) enhances the chances of cross pollination

Ans. a

Reproduction in plants class 12 mcq pdf

28. In the angiosperm life cycle which of the following is not a member of the sporophyte generation ?

( a ) Carpel

( b ) Anther

( c ) Pollen

( d ) Ovary

Ans. c

29. A plant that flowers in its second year of growth and then dies is

( a ) a biennial

( b ) a semi – annual

( c ) an annual

( d ) a perennial

Ans. a

30. Which of the following flowering arrangements promotes self – pollination ?

( a ) Monoecious

( b ) Dioecious

( c ) Dichogamous

( d ) None of these

Ans. d

31. Early seed plants were pollinated by

( a ) wind

( b ) bees

( c ) birds

( d ) butterflies

Ans. a

32. A number of megaspores degenerate after being produced by the meiosis of the megaspore mother cell . That number is

( a ) 2

( b ) 3

( c ) 1

( d ) 4

Ans. b

33. A trend in floral evolution is

( a ) bilateral symmetry

( b ) lateral symmetry

( c ) spiral symmetry

( d ) radial symmetry

Ans. a

34. Which of the following is not part of the innermost whor of the flower ?

( a ) Stamen

( b ) Style

( c ) Pistil

( d ) Ovary

Ans. b

35. Self – pollination can occur in which of the following :

( a ) Dioecious plants

( b ) Dichogamous plants

( c ) Pistillate plants

( d ) None of these

Ans. d

mcq on reproduction in flowering plants

36. Which of the following is not an annual plant ?

( a ) Cabbage

( b ) Corn

( c ) Sunflower

( d ) Wheat

Ans. a

37. If a flower is to be pollinated by birds , it should be

( a ) blue

( b ) white

( c ) yellow

( d ) red

Ans. d

38. Pollination is characteristic of

( a ) gymnosperms

( b ) fungi

( c ) angiosperms

( d ) pteridophytes

Ans. v

39. Wind pollinated plants differ from insect pollinated plants in having

( a ) small petals and sticky pollen

( b ) small coloured petals and heavy pollen

( c ) coloured petal and large pollens

( d ) no petals and light pollen

Ans. d

40. A typical example of self pollination is

( a ) rice

( b ) wheat

( c ) maize

( d ) cotton

Ans. c

41. Deposition of pollen on the stigma of another flower of the same plant is

( a ) homogamy

( b ) dichogamy

( c ) xenogamy

( d ) geitonogamy

Ans. d

42. Pollen grain of flowers pollinated by insects or wind are

( a ) large and showy

( b ) rough and sticky

( c ) rough and smooth

( d ) rough and dry

Ans. b

43. Pollination by bats is called ?

( a ) Ornithophily

( b ) Entomophily

( c ) Malacophily

( d ) Cheiropterophily

Ans. d

44. Insect pollinated flowers usually possess

( a ) dry pollens with smooth surface

( b ) sticky pollens with rough surface

( c ) large quantities of pollen

( d ) brightly coloured pollens

Ans. b

45. If a pollen of a flower falls on the stigma of another flower belonging to the same plant it is

( a ) genetically self pollination and ecologically cross pollination

( b ) ecologically cross pollination

( c ) genetically and ecologically cross pollination

( d ) None of the above

Ans. d

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