Racemose Inflorescence

Q.

Define the terms monoecious and dioecious with respect to sexuality in plant mentioning examples for each.

Q.

What is meant by acropetal and basipetal order?

Q.

Flowers that have a single ovule in the ovary and are packed into inflorescence are usually pollinated by

1. Water

2. Bee

3. Wind

4. Bat

Q.

How many plants in the list given below have marginal placentation?

Mustard, gram, tulip, asparagus, arhar, sun hemp, chili, colchicine, onion, moong, pea, tobacco, lupin

1. Five

2. Three

3. Six

4. Four

Q.

Which one of the following statements is correct?

1. In tomato, fruit is a capsule

2. Seeds of orchids have oil-rich endosperm

3. Placentation in Primrose is Basal

4. Flower of tulip is a modified shoot.

Q.

Differentiate between:

(a) Racemose and cymose inflorescence

(b) Fibrous roots and adventitious roots

(c) Apocarpous and syncarpous ovary

Q. _______ are arranged in an acropetal order.

1. Only leaves in racemose inflorescence
2. Leaves and flowers in racemose inflorescence
3. Flowers in all types of inflorescence
4. Flowers in cymose inflorescence

Q. In racemose inflorescence

1. the peduncle terminates into a flower
2. the old, mature flower is at the top of the main axis
3. the growth of peduncle is indefinite
4. the flowers are arranged in a basipetal order

Q.

An epigynous flower is characterised by

1. Inferior ovary

2. Superior ovary

3. Oblique ovary

4. Half superior and half inferior ovary

Q. Tulip belongs to the family:

1. Cruciferae
2. Poaceae
3. Liliaceae
4. Compositae

Q.

Synandrous condition is found in

1. Peas

2. Peanut

3. Lemons

4. Gourds

Q. Choose the dioecious organisms from the following
I. Date palm II. Coconut III.Chara IV. Marchantia

1. I, II
2. III, IV
3. I and IV
4. II, IV

Q. Inflorescence with thick fleshy axis and large coloured bracts is:

1. Spadix
2. Hypanthodium
3. Spathe
4. Spikelet

Q. Differentiate between racemose and cymose inflorescence

Q. What is the inflorescence in makoi ??

Q. Assertion :The cymose type of inflorenscence has limited growth
Reason: In cymose inflorescence the main axis terminates in a flower.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

Q.

The axis bearing a cluster of flowers is known as inflorescence.

1. True
2. False

Q. Which of the following is true for racemose inflorescence?

1. The main stalk ends in a flower
2. Younger flowers develop towards growing end while the older flowers grow at the base.
3. Acropetal succession
4. Basipetal succession

Q.

Keel is the characteristic feature of the flower of

1. Aloe

2. Indigofera

3. Tulip

4. Tomato

Q.

Define the term inflorescence. Explain the basis for the different types of inflorescence in flowering plants.

Q. In __(i)___ type inflorescence, main axis terminates in a flower, hence is limited in growth and flowers are borne in__(ii)__ succession.

1. (i) - racemose, (ii) - acropetal
2. (i) - racemose, (ii) - basipetal
   
3. (i) - cymose, (ii) - acropetal
   
4. (i) - cymose, (ii) - basipetal

Q.

In members belonging to the Solanaceae family generally what type of inflorescence is seen?

Q. Inflorescence with thick, fleshy axis and large coloured bracts is

1. Spathe
2. Spadix
3. Hypanthodium
4. Spikelet

Q. Central sterile tissue of capsule in sporophyte of Funaria is called as :

1. Apophysis
2. Annulus
3. Columella
4. Operculum

Q.

The shoe flower belongs to

1. Solanaceae

2. Malvaceae

3. Papilionaceae

4. Liliaceae

Q. The most highly evolved and perfect type of inflorescence is

1. hypanthodium
2. spadix
3. capitulum
4. polychasial cyme

Q. Differentiate between the following.

Q. Mention any three types of inflorescence in Euphorbiaceae with example

Q. The receptacles are flattened at the top and bear numerous sessile flowers in a centripetal manner in

1. cyathium
2. catkin
3. capitulum
4. umbel

Q. _______ are arranged in an acropetal order.

1. Only leaves in racemose inflorescence
2. Flowers in all types of inflorescence
3. Flowers in cymose inflorescence
4. Leaves and flowers in racemose inflorescence