Consider the following four statements (i), (ii), (iii), (iv) and select the right option.
(i) In vexillary aestivation, the large posterior petal is called- standard, two lateral ones are wings and two small anterior petals are termed keel.
(ii) The floral formula for liliaceae is
(iii) In pea flower, the stamens are monoadelphous
(iv) Persistent calyx is characteristic feature of fabaceae

(i) and (iii)

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(i) and (ii)

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(ii) and (iii)

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(iii) and (iv)

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Solution

The correct option is B (i) and (ii)
(i) In vexillary aestivation, the large posterior petal is called- standard, two lateral ones are wings and two small anterior petals are termed keel.
(ii) The floral formula for liliaceae is

In pea flowers, the stamens are diadelphous, grouped in two bundles.
Persistent calyx is a characteristic feature of family solanaceae.

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Similar questions

Q. Consider the following four statements (i), (ii), (iii), (iv) and select the right option.
(i) In vexillary aestivation, the large posterior petal is called- standard, two lateral ones are wings and two small anterior petals are termed keel.
(ii) The floral formula for liliaceae is

(iii) In pea flower, the stamens are monoadelphous
(iv) Persistent calyx is characteristic feature of fabaceae

Q. Consider the following four statements A, B, C and D select the right option for two correct statements.
Statements :
(A) In vexillary aestivation, the large posterior petal is called-standard, two lateral ones are wings and two small anterior petals are termed keel.
(B) The floral formula for Liliaceae is

\oplus P_{3 + 3} A_{3 + 3} G_{3 -}

.
(C) In pea flower the stamens are monadelphous.
(D) The floral formula for Solanaceae is

\oplus K_{(5)} C_{(3)} G_{(2)}

.
The correct statements are

Which among the following statements are true for unisexual flowers ?
(i) They possess both stamen and pistil
(ii) They possess either stamen or pistil
(iii) They exhibit cross-pollination
(iv) Unisexual flowers possessing only stamens cannot produce fruits

(a) (i) and (iv)
(b) (ii) (iii) and (iv)
(c) (ii) and (iii)
(d) (i), (iii) and (iv)

Question 17
Which of the following statements are true about unisexual flowers?

(i) They possess both stamen and pistil
(ii) They possess either stamen or pistil
(iii) They exhibit cross-pollination
(iv) Unisexual flowers possessing only stamens cannot produce fruits

(a) (i) and (iv)
(b) (ii), (iii) and (iv)
(c) (iii) and (iv)
(d) (i), (iii) and (iv)

Q. Which of the following statements are true for sexual reproduction in flowering plants?
(i) it requires two types of gametes
(ii) fertilisation is a compulsory event
(iii) it always results in the formation of zygote
(iv) offsprings formed are clones

(a) (i) and (iv)
(b) (i), (ii) and (iv)
(c) (i), (ii) and (iii)
(d) (ii), (iii) and (iv)

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