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Different Types of Arrangement of Stamens

Which of the ...

Question

Which of the following statements are true?
I : All complete flowers are bisexual
II : All bisexual flowers are complete
III : Achlamydeous flowers are incomplete

A

I & II

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B

II & III

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C

I & III

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D

Only I

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Solution

The correct option is C I & III
All bisexual flowers are not complete as sometimes they lack non essential whorls.

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Similar questions

Q. Which of the following statements are true for flowers?
(i) flowers are always bisexual
(ii) they contain sexual reproductive organs
(iii) they are produced in all groups of plants
(iv) after fertilisation they give rise to fruits

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

Question 16
Which of the following statements are true about flowers?

(i) Flowers are always bisexual
(ii) They are the sexual reproductive organs
(iii) They are produced in all groups of plants
(iv) After fertilization, they give rise to fruits

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

Statements

All petals are flowers.

Some flowers are buds.

Some buds are leaves.

All leaves are plants.

Conclusions

I. Some petals are buds.

II. Some flowers are plants.

III. No flower is plant.

Q. Study the given diagrams showing the cross-section of two flowers. Which of the following statements is/are correct regarding them?
(i) The flowering plants have developed from seeds.
(ii) Flower

x

is female flower and flower

Y

is a bisexual flower.
(iii) Fertilization can take place in both flowers.

Q. Statements: 1. All bibs are red.
2. All red are flowers.
3.No flowers are tablets
Conclusions: I. Some flowers are bibs
II. No tablets are bibs
III. Some red are bibs
IV. Some tablets are red.

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Different Types of Arrangement of Stamens

Standard XII Biology

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