Aestivation

Q.

Which animal can not sleep?

Q.

Define the following terms:
(a) Aestivation
(b) Placentation
(c) Actinomorphic
(d) Zygomorphic
(e) Superior ovary
(f) Perigynous flower
(g) Epipetalous Stamen

Q.

The mode of arrangement of sepals or petals in a floral bud is known as aestivation. Draw the various types of aestivation possible for a typical pentamerous flower.

Q.

Name any flower in which five petals can be seen?

Q.

Explain the term environment stimuli in terms of responsiveness by living organisms.

Q.

The following diagrams represent the types of aestivation in corolla. Identify the correct combination of labeling.

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

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

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

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

5. A-Valvate, B- Twisted, C-Imbricate, D-Vexillary

Q. Persistent calyx is characteristics of

1. Allium/Liliaceae
2. Hibiscus/Malvaceae
3. Dalbergia/papilionatae
4. Solanum/Solanaceae

Q. Animals aestivate during _________ season.

1. winter
2. summer
3. rainy
4. spring

Q. Out of 5 petals of a flower bud , two are completely internal, two are completely external and the remaining one has its margin at one end internal and external at the other. Which of the following is this type of aestivation?

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

Q. Aestivation in which members of a whorl be close but do not overlap is

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

Q.

Among flowers of Calotropis, Tulip, Sesbania, Asparagus, Tobacco and Groundnut, how many plants have valvate aestivation?

1. Four
   
2. Eight
3. Five
4. Six

Q. Animals aestivate during _________ season.

1. winter
2. summer
3. rainy
4. spring

Q. Animals aestivate during _________ season.

1. winter
2. summer
3. spring
4. rainy

Q. Out of 5 petals of a flower bud , two are completely internal, two are completely external and the remaining one has its margin at one end internal and external at the other. Which of the following is this type of aestivation?

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

Q. Eggs are covered by leathery shell in

1. Birds
2. Amphibians
3. Snakes
4. Prototherians

Q. Flowers have different number of parts in each whorl is called as

1. Isomerous
2. Heteromerous
3. Anisomerous
4. Spirocyclic

Q.

what do you mean by hibernation (winter sleep) , aestivation (summer sleep) , diapause ?

Q.

Describe Datura metel in technical terms. Draw the floral diagram and write the floral formula.

Q. Tumbler is pupa of

1. Butterfly
2. Housefly
3. Mosquito
4. Beetle

Q. Thalamus is not fused with the wall of ovary in

1. Guava and Mustard
2. Apple and Plum
3. China rose and Rose
4. Sunflower and Buttercup

Q.

Define the following terms:

(a) Aestivation

(b) Placentation

(c) Actinomorphic

(d) Zygomorphic

(e) Superior ovary

(f) Perigynous flower

(g) Epipetalous Stamen

Q. Out of 5 petals of a flower bud , two are completely internal, two are completely external and the remaining one has its margin at one end internal and external at the other. Which of the following is this type of aestivation?

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

Q. STRUCTURED/APPLICATION/SKILL TYPE
There is a flower in which you use the following names : Standard, wings and keel.
(a)Name the flower
(b)What do the names given above refer to ?

Q. Aestivation of petals in family Malvaceae is

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