Chapter 5 - Morphology of Flowering Plants- Questions and Answers
Qus 1. Placentation, in which ovules develop on the inner wall of the ovary or in peripheral part, is:
a) Basal
b) Axile
c) Parietal
d) Free central
C
Qus 2. Which of the following shows whorled phyllotaxy?
a) Mustard
b) China rose
c) Alstonia
d) Calotropis
C
Qus 3.Bicarpellary ovary with obliquely placed septum is seen in :-
a) Brassica
b) Aloe
c) Solanum
d) Sesbania
C
Qus 4.The roots that originate from the base of the stem are:
a) Lateral roots
b) Fibrous roots
c) Primary roots
d) Prop roots
B
Qus 5. In some plants thalamus contributes to fruit formation. Such fruits are termed as:
a) False fruits
b) Aggregate fruits
c) True fruits
d) Parthenocarpic fruit
A
Qus 6. Correct position of floral parts over thalamus in mustard plant is:
a) Gynoecium occupies the highest position, while the other parts are situated below it.
b) Margin of the thalamus grows upward, enclosing the ovary completely, and other parts arise below the ovary
c) Gynoecium is present in the centre and other parts cover it partially.
d) Gynoecium is situated in the centre, and other parts of the flower are located at the rim of the thalamus, at the same level.
A
Qus 7. Vegetative propagule in Agave is termed as:
a) Rhizome
b) Bulbil
c) Offset
d) Eye
B
Qus 8. The standard petal of a papilionaceous corolla is also called:
a) Carina
b) Pappus
c) Vexillum
d) Corona
C
Qus 9.Tricarpellary syncarpous gynoecium is found in flowers of:
a) Liliaceae
b) Solanaceae
c) Fabaceae
d) Poaceae
A
Qus 10. Which of the following is not a stem modification?
a) Pitcher of Nepenthes
b) Thorns of citrus
c) Tendrils of cucumber
d) Flattened structures of Opuntia
A
Qus 11.How many plants among Indigofera, Sesbania, Salvia, Allium, Aloe, mustard, groundnut, radish, gram and turnip have stamens with different lengths in their flowers?
a) five
b) six
c) three
d) Four
d
Qus 12. Stems modified into flat green organs performing the functions of leaves are known as :-
a) Cladodes
b) Phyllodes
c) Phylloclades
d) Scales
C
Qus 13. In china rose the flowers are:
a) Zygomorphic, epigynous with twisted aestivation
b) Actinomorphic, hypogynous witht wisted aestivation
c) Actinomorphic, epigynous with valvate aestivation
d) Zygomorphic, hypogynous with imbricate aestivation
B
Qus 14. Among bitter gourd, mustard, brinjal, pumpkin chinarose, lupin, cucumber, sunnhemp, gram, guava, bean, chilli, plum, Petunia, tomato, rose, Withania, potato, onion, Aloe and tulip how many plants have hypogynous flower?
a) Eighteen
b) Six
c) Ten
d) Fifteen
d
Qus 15. Placenta and pericarp are both edible portions in:
a) Apple
b) Tomato
c) Banana
d) Potato
B
Qus 16. When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as:
a) Vexillary
b) Twisted
c) Imbricate
d) Valvate
C
Qus 17. An example of edible underground stem is:
a) Carrot
b) Groundnut
c) Potato
d) sweet Potato
C
Qus 18.An aggregate fruit is one which develops from:
a) Multicarpellary syncarpous gynoecium
b) Multicarpellary apocarpus gynoecium
c) Complete inflorescence
d) Multicarpellary superior ovary
B
Qus 19. Leaves become modified into spines in -
a) Pea
b) Silk Cotton
c) Onion
d) Opuntia
d
Qus 20. Among china rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many plants have superior ovary?
a) Four
b) Six
c) Five
d) Three
B
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