Valvate, Twisted and Imbricate Aestivation

Q. When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as

1. Vexillary
2. Imbricate
3. Valvate
4. Twisted

Q.

Give an example of twisted aestivation.

Q. Identify the types of aestivation in the diagram given below.

1. A - Valvate, B - Imbricate, C - Twisted, D - Vexillary
2. A - Vexillary, B - Twisted, C - Imbricate, D - Valvate
3. A - Imbricate, B - Twisted, C - Valvate, D - Vexillary
4. A - Valvate, B - Twisted, C - Imbricate, D - Vexillary

Q. Aestivation in which members of a whorl lie close to each other without overlapping:

1. Vexillary
2. Valvate
3. Imbricate
4. Twisted

Q. In which of the following types of aestivation, one margin of the appendage overlaps the margin of the next appendage.

1. Valvate
2. Imbricate
3. Twisted
4. Vexillary

Q. When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as:

1. Twisted
2. Imbricate
3. Valvate
4. Vexillary

Q. Which option is correctly matched with the diagrams?

1. A–Valvate, B–Twisted, C–Imbricate, D–Vexillary
2. A–Vexillary, B–Valvate, C–Twisted, D–Imbricate
3. A–Imbricate, B–Vexillary, C–Valvate, D–Twisted
4. A–Twisted, B–Imbricate, C–Vexillary, D–Valvate

Q. Floral diagram fails to indicate

1. epipyhylly and epipetaly
2. position of ovary and thalamus
3. cohesion of carpels and stamens
4. aestivation and placentation

Q. Identify the different types of aestivation in A, B, C and D and select the correct option.

1. A-Valvate, B-Twisted, C-Imbricate, D-Vexillary
2. A-Vexillary, B-Valvate, C-Twisted, D-Imbricate
3. A-Imbricate, B-Vexillary, C-Valvate, D-Twisted
4. A-Twisted, B-Imbricate, C-Vexillary, D-Valvate

Q. Pea and bean flowers exhibit

1. valvate aestivation
2. twisted aestivation
3. imbricate aestivation
4. papilionaceous aestivation

Q. Match the aestivation patterns.

1. Imbricate
2. Vexillary
3. Twisted

Q.

In what kind of aestivation does a flower bud appears bent or contorted due to overlapping appendages.

1. Valvate

2. Vexillary

3. Papilionaceous

4. Twisted

Q. Define aestivation in flowers.

Q. Which of the following describes imbricate aestivation?

1. Appendages in a whorl just touch one another at the margin, without overlapping
2. If one margin of the appendage overlaps that of the next one and so on
3. If the margins of appenages overlap one another but not in any particular direction
4. The largest appendage overlaps the two lateral petals appenadages which in turn overlap the two smallest anterior appendages

Q. What do you mean by Aestivation? Explain types of aestivation.

Q. In which of the following types of aestivation, one margin of the appendage overlaps the margin of the next appendage.

1. Valvate
2. Imbricate
3. Twisted
4. Vexillary

Q. Aestivation in which members of a whorl lie close to each other without overlapping:

1. Vexillary
2. Valvate
3. Imbricate
4. Twisted

Q. Identify the types of aestivation in the diagram given below.

1. A - Valvate, B - Twisted, C - Imbricate, D - Vexillary
2. A - Valvate, B - Imbricate, C - Twisted, D - Vexillary
3. A - Imbricate, B - Twisted, C - Valvate, D - Vexillary
4. A - Vexillary, B - Twisted, C - Imbricate, D - Valvate

Q.

In what kind of aestivation does a flower bud appears bent or contorted due to overlapping appendages.

1. Valvate

2. Vexillary

3. Papilionaceous

4. Twisted

Q. When the margins of sepals or petals overlap one another without any particular direction the condition is termed as

1. Imbricate
2. Twisted
3. Valvate
4. Vexillary

Q.

In what kind of aestivation does a flower bud appears bent or contorted due to overlapping appendages.

1. Valvate

2. Vexillary

3. Papilionaceous

4. Twisted

Q. When sepals petals in a whorl just touch one another at the margin without overlapping its is said to be:

1. Imbrieate aestivation
2. Vexillary aestivation
3. Valvate aestivation
4. Twisted aestivaton

Q. Descending imbricate aestivation occurs in the corolla of

1. Tamarindus

2. Cassia

3. Pisum

4. Helianthus

Q.

The mode of arrangement of sepals or petals in a floral bud with respect to the other members of same whorl is known as

1. Placentation
2. Aestivation
3. Cohesion
4. Adhesion

Q. Match the aestivation patterns.

1. Imbricate
2. Vexillary
3. Twisted

Q.

Gulmohar has ___________ type of aestivation.

1. Valvate

2. Imbricate

3. Vexillary

4. Twisted

Q.

Gulmohar has ___________ type of aestivation.

1. Imbricate

2. Valvate

3. Vexillary

4. Twisted

Q. Floral bud is covered by

1. Petals
2. Anthers
3. Stigmas
4. Sepals

Q. Petals of a flower are arranged in such a way that each overlaps a petal on one side and is overlapped by other petal on the other side. The aestivation is _______.

1. Valvate
2. Quincuncial
3. Imbricate
4. Twisted

Q.

In what kind of aestivation does a flower bud appears bent or contorted due to overlapping appendages.

1. Valvate

2. Vexillary

3. Papilionaceous

4. Twisted