Perianth and Tepals

Q.

Name the different whorls of a flower.

Q.

Difference between bract and bracteoles.

Q.

What is superficial placentation?

Q.

Ramya's teacher asked her which is the most attractive part of the plant, which helps in reproduction. Ramya replied ___________ are the most attractive part of the plant.

1. Leaves

2. Stem

3. Flowers

4. Root

Q.

Most flowers produce a sweet fragrant liquid called __.

Q.

The part of the flower which contains fused sepal and petal is called a ___ .

Q. Sepals are united in ____ and petals are united in ____

Q.

Perianth of a flower include

1. Petals

2. Ovary

3. Sepals

4. Stamen

Q. Below is a picture of a flower belonging to family Annonaceae (the family that represents fruits like custard apple and jackfruit). Choose the correct term that describes the corolla of the flower.

1. Sepaloid petals
2. Petals
3. Petaloid sepals
4. Perianth

Q.

Identify the correct statements with respect to an anther.

1. An anther is always bilobed.
   
   

2. Anther lobe with one theca is called dithecous.
   
   

3. The bilobed nature of anther is distinct in its longitudinal section.
   
   

4. A typical anther is tetragonal and tetrasporangiate.

Q.

A complete (or perfect) flower is one which contains all the _________ types of floral structure.

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1. Two

2. Three

3. Four

4. Five

Q.

Which of the following has the most colorful and attractive part of a flower?

1. Stalk

2. Receptacle

3. Perianth

4. Gynoecium

Q.

Sepals are collectively called as corolla.

1. True
2. False

Q.

Bisexual flowers have_______ .

1. Only androecium

2. Only gynoecium

3. Both the essential whorls

4. All the four whorls

Q.

The sepals of flowers of Gul Mohar (Flame of the forest) are red in color. The correct term that describes them is________.

1. Sepals
2. Sepaloid petals
3. Petaloid sepals
4. Petals

Q.

Scutellum in a caryopsis represents

1. outermost layer of endosperm

2. a sheath that protects the radicle

3. the place where the seed is attached to rephe

4. a cotyledon

Q. Choose the correct functions of sepals.

1. They protect stamens and pistil
2. They protect young flower buds
3. They support the petals
4. They perform photosynthesis when green in color

Q. Choose the correct options which characterize perigynous flower.

1. Ovary is half inferior
2. Sepals and petals are present at the rim of the thalamus at half the way of ovary
3. Thalamus completely covers the ovary
4. Ovary occupies the topmost position on the thalamus.

Q.

If one or more sets of floral structure missing the flower is called ________ flower.

1. Non-essential

2. Essential

3. Incomplete

4. Complete

Q. Given below is the picture of cucurbita (pumpkins) female flower. Identify the type of the flower based on position of ovary.

1. Epigynous flower
2. Hypogynous flower
3. Perigynous flower
4. None of these

Q. In $\underset{–}{\left(i\right)}$ condition, both male and female flowers are borne on same plant; an example of such plants is $\underset{–}{\left(ii\right)}$.

1. (i) monoecious, (ii) papaya
2. (i) monoecious, (ii) cucurbit
3. (i) dioecious, (ii) papaya
4. (i) dioecious, (ii) cucurbit

Q. A flower devoid of sepals and petals/perianth is called

1. Sessile
2. Asymmetrical
3. Achlamydeous
4. Imperfect

Q. Non-essential floral organs without differentiation of calyx and corolla are called ________.

1. Lodicules
2. Thalamus
3. Pedicel
4. Perianth

Q.

what is pistillate flower.

Q. Polyphyllous petaloid perianth is found in

1. Festuca
2. Gloriosa
3. Crinum
4. Polyanthes

Q. Identify the wrong answer.

1. Bicarpellatae - Epipetalous stamens - 4 cohorts
2. Monochlamydeae - Perianth - 8 cohorts
3. Heteromerae - More than two carpels - 3 cohorts
4. Calyciflorae - Cup shaped thalamus - 5 cohorts

Q. Which part of a plant bears leaves, flowers and fruits?

Q. The perianth is the term used when:

1. Androecium and gynoecium are not distinct.
2. Androecium and calyx are not distinct.
3. Corolla and gynoecium are not distinct.
4. Calyx and corolla are not distinct.

Q. How are Monocotyledonae and Dicotyledonae different taxa but belong to the same level??

Q. Sepals of Salvia are said to be petaloid. why?