In all the four whorls of flower, which of the following is an accessory organ?

(1) Calyx

(2) Corolla

(3) Perianth

(4) All of these

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
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Perianth is

(1) Distinct calyx and Corolla

(2) Indistinct calyx and Corolla

(3) Amorphous calyx and Corolla

(4) Both 2. and 3.

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
 57%
From NCERT
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Perianth is found in

(1) Lily

(2) Solanum

(3) Pea

(4) Buttercup

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
 93%
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When a flower has both androecium and gynoecium

(1) It is bisexual

(2) It is unisexual

(3) It is monoecious

(4) It is dioecious

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
 87%
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When a flower has either androecium or gynoecium, called as

(1) Bisexual

(2) Unisexual

(3) Polygamous

(4) Monoecious

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
 93%
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Actinomorphic means

(1) Bilateral symmetry

(2) Radial symmetry

(3) Bisexuality

(4) Unisexuality

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
 90%
From NCERT
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Zygomorphic means

(1) Bilateral symmetry

(2) Radial symmetry

(3) Bisexuality

(4) Unisexuality

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
 95%
From NCERT
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Actinomorphic flower

(1) When a flower can be divided into two equal radial halves in a single plane

(2) When a flower can be divided into two equal radial halves in any radial plane

(3) When a flower can be divided into two equal radial halves in a vertical plane

(4) When a flower can be divided into two equal radial halves in a single radial plane

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
 86%
From NCERT
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Zygomorphic flower

(1) When a flower can be divided into two equal radial halves in a single plane

(2) When a flower can be divided into two equal radial halves in any radial plane

(3) When a flower can be divided into two equal similar halves in a single vertical plane

(4) When a flower can be divided into two equal radial halves in a single radial plane

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
 55%
From NCERT
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Which of the following flowers does not has actinomorphic symmetry?

(1) Mustard

(2) Datura

(3) Chilli

(4) Cassia

Subtopic:  Flower & Parts of Flower: I | Flower & Parts of Flower |
 88%
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