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Saturday, December 11, 2021

PRACTICE QUESTIONS MORPHOLOGY OF FLOWERING PLANTS :- INFLORESCENCE


MORPHOLOGY OF FLOWERING PLANTS 

TOPIC :- INFLORESCENCE 

QUESTIONS FOR BASIC UNDERSTANDING

 

  1. What is solitary flower?
  2.  What is peduncle?
  3. What is inflorescence?
  4. How inflorescence increases chances of pollination?
  5. What are the two main parts of inflorescence?
  6. What are the two types of inflorescence?
  7. What types of growth of inflorescence axis is found in racemose and cymose?
  8.  Why growth of inflorescence axis is continuous in racemes?
  9.  Why growth of inflorescence axis is discontinuous in cymose?
  10. What do you mean by Acropetal succession?
  11. What do you mean by basipetal succession?
  12. What is centripetal order of opening of flower?
  13. What is centrifugal order of opening of flower?
  14.  Mention two examples of racemose and cymose inflorescence?

 

MULTIPLE CHOICE QUESTIONS

1)  Cyathium is a type of

     a) Flower                             b) Fruit

     c) Inflorescence                   d) Phyllotaxy

2)  The flowers of a raceme are arranged

     a) Acropetally             b) Basipetally

     c) Centripetally          d) Centrifugally

3)  Catkin is a type of

     a) Flower                             b) Inflorescence

     c) Phyllotaxy               d) Placentation

4)  The inflorescence of Onion is

     a) Cyme umbel            b) Racemose umbel

     c) Corymb                            d) Catkin

5)  The inflorescence of Rice/family Gramineae is

     a) Spike                     b) Thyrsus

     c) Spikelet                           d) Raceme

6)  The central stalk-like structure of the spikelet is

     a) Peduncle                           b) Rachilla

     c) Rachis                    d) Pedicel

7)  In the spadix, the spathe surrounds

     a) Spike                     b) Raceme

     c) Catkin                    d) Umbel

8)  The glumes are modified

     a) Petals                     b) Sepals

     c) Tepals                    d) Bracts

9)  Axis of the inflorescence is called

     a) Peduncle                           b) Thalamus

     c) Petiole                    d) Pedicel

10) Zigzag development of flowers on inflorescence axis is

     a) Helicoid cyme                   b) Umbel

     c) Scorpioid cyme                 d) Corymb

11) The inflorescence present in Euphorbia is

     a) Cyathium                b) Capitulum

     c) Helicoid cyme                   d) Verticillaster

12) Three types of flowers occur in the inflorescence of

     a) Capitulum               b) Hypanthodium

     c) Cyathium                d) Umbel

13) Which one of the following is of related type

     a) Catkin and Hypanthodium

     b) Raceme and cyathium

     c) Corymb and umbel

     d) Verticillaster and spike

14) Opening/arrangement of flowers in a cymose inflorescence is

     a) Centrifugal             b) Centripetal

     c) Basipetal                          d) Acropetal

15) Inflorescence consisting of a number of flowers arising from the same point with the same level at the top is

     a) Corymb                   b) Corymbose-raceme

     c) Capitulum                d) Umbel

16) Inflorescence having a flattened axis, sessile flowers and a whorl of involucral bracts is

     a) Umbel                    b) Head

     c) Corymb                            d) Raceme

17) A biparous cyme ending in uniparous cymes constitutes

     a) Verticillaster          b) Panicle

     c) Thyrus                   d) Paniculate cyme

18) An inflorescence which is not racemose and appears like a flower is

     a) Capitulum                b) Cymose

     c) Cyathium                d) Corymb

19) The most advanced type of inflorescence is

     a) Corymb                            b) Capitulum

     c) Spadix                             d) Polychasial cyme

20)    Cyathium and Hypanthodium types of inflorescence are similar in having

     a) Nectar glands         b) Apical pore

     b) Petaloid bracts       d) Unisexual flowers

21) A number of sessile flowers grow on a suppressed peduncle forming a globose inflorescence called

     a) Catkin                    b) Corymb

     c) Umbel                    d) Capitate

22)    The inflorescence in family compositae is

     a) Capitulum               b) Spadix

     c) Umbel                    d) Catkin

23)    Spadix inflorescence occurs in

     a) Mulberry                          b) Banana

     c) Coriander                         d) Delonix

24)    Hypanthodium is

     a) Thalamus                          b) Fruit

     c) Inflorescence                   d) Ovary

25)    Hypanthodium inflorescence is found in

     a) Coriander                         b) Sunflower

     c) Cauliflower             d) Fig.

26)     An edible inflorescence is

     a) Raphanus sativus

     b) Brassica oleracea

     c) Brassica rapa

     d) Mustard

27)    Umbel inflorescence occurs in

     a) Coriandrum             b) Colocasia

     c) Musa                                d) Sunflower

28) Which type of inflorescence occurs in Ficus

     a) Verticillaster          b) Hypanthodium

     c) Cymose                            d) Racemose

29) Inflorescence is collection of

     a) Petals                     b) Stamens

     b) Flowers                            d) Carpels

30)    Inflorescence in which flowers developing from different places of the peduncle reach the same level, is

     a) Catkin                    b) Corymb

     c) Umbel                    d) Raceme

31) In catkin, the flowers are

     a) Unisexual and sessile

     b) Bisexual and sessile

     c) Unisexual and pedicellate

     d) Bisexual and pedicellate

32)    Whorl of small green structures present around Sunflower is

     a) Epicalyx                           b) Calyx

     c) Leaves                    d) Involucre

33)    Verticillaster inflorescence occurs in

     a) Lamiaceae/Labiatae

     b) Brassicaceae/Cruciferae

     c) Compositae/Asteraceae

     d) Solanaceae

34)    Inflorescence having unisexual sessile flowers are

     a) Spike                      b) Spikelet

     c) Catkin                    d) Spadix

35)    Select the correct combination of inflorescences

     a) Simple raceme, corymb, umbel, simple cyme   

     b) Simple raceme, spadix, spike, catkin

     c) Cyathium, verticillaster, Hypanthodium, catkin

     d) Capitulum, globose head, Verticillaster, catkin

36)     Elongated peduncle bearing pedicellate flowers continuously in acropetal order is

     a) Corymb                            b) Umbel

     c) Raceme                            d) Head

37)     Spadix inflorescence is characteristic feature of

     a) Colocasia                          b) Palm

     c) Banana                              d) All the above

38)    Scorpioid cyme occurs in

     a) Hamelia                            b) Nerium

     c) Heliotropium                     d) Clerodendron

39)    Capitulum inflorescence does not occur

     a) Dahlia                               b) Sunflower

     b) Marigold                          d) China Rose

40) In fennel, coriander and carrots, the type of inflorescence found is

          (a) Verticillaster             (b)  Umbelliferae 

(c) spadix                        (d) spike

 

 






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