Storage Roots

Q. Which of the following are tap roots modified for food storage?

1. Fusiform root
2. Conical root
3. Fasciculated roots
4. Napiform root

Q. Sweet potato is a modified

1. stem
2. adventitious root
3. rhizome
4. tap root

Q.

Ginger is a stem which can be differentiated from root because it

1. Grows parallel to ground

2. Stores food

3. Lacks chlorophyll

4. Has nodes and internodes

Q.

Write two examples of plants with climbing roots.

Q.

What are aerial roots? Name its types.

Q.

Cuscuta is a:

1. Partial stem parasite

2. Epiphyte

3. Total stem parasite

4. Total root parasite

Q.

What are stilt roots and pneumatophores?

Q.

Which of the following tuberous root is not a tap root?

1. carrot

2. sweet potato

3. turnip

4. radish

Q.

What are the examples of fasciculated roots?

Q.

Name the body part modified for food storage in the following

(a) Carrot ............... (b) Colocasia.............

(c) Sweet potato ............ (d) Asparagus............

(e) Radish......... (f) Potato..........

(g) Dahlia........... (h) Turmeric...........

(i) Gladiolus......... (j) Ginger..................

(k) Portulaca........

Q. Haustoria are found in

1. Cuscuta
2. Vanda
3. Heritiera
4. Dahlia

Q. When storage roots occur in clusters from the base of the stem they are called

1. Fasciculated roots
2. Nodulose roots
3. Beaded roots
4. Annulated roots

Q. Which of the following statements are true?

1. A single tuberous root is produced while fasciculated roots arise in a cluster from the base of the stem
2. Tuberous roots arise in a cluster from the base of the stem while fasciculated roots are single
3. Sweet potato is an example of a tuberous root and Dahlia is an example of fasciculated roots
4. Sweet potato is an example of a fasciculated root and Dahlia is an example of a tuberous root

Q.

Are vascular bundles closed in monocotyledons?

Q.

Which plant has a taproot?

1. Carrot

2. Beetroot

3. Radish

4. All of these

Q. In hydrophytes

1. Vascular system is well developed
2. Vascular system is poorly developed
3. Root system is well developed
4. Root system is poorly developed

Q. Fasciculated roots are modified adventitious roots.

1. False
2. True

Q. Sweet potato is a modified

1. stem
2. adventitious root
3. tap root
4. rhizome

Q. Which of the following type of ecosystem is expected in an area where evaporation exceeds precipitation, and mean rainfall is below 100mm?

1. Grassland
2. Forest
3. Mangroves
4. Desert

Q. Roots that hold horizontal branches of banyan tree in the air are

1. Thumb roots
2. Stilt roots
3. Prop roots
4. All the above

Q.

Which one of the following is micro nutrients?

1. Phosphorous

2. Potassium

3. Nitrogen

4. Boron

Q. Name any one plant in which adventitious roots develop chlorophyll and perform photosynthesis.

Q. When storage roots occur in clusters from the base of the stem they are called

1. Fasciculated roots
2. Nodulose roots
3. Annulated roots
4. Beaded roots

Q. Velamen is a tissue found in

1. Parasites
2. All epiphytes
3. Aerial roots of some orchids$/$ Vanda
4. Halophytes

Q. Root modification is

1. Temporary structural changes in roots
2. Permanent structural changes in roots
3. Permanent internal changes in roots
4. Temporary internal changes in roots

Q. Identify the root which characterized by the swollen apex and tapered end.

1. Conical
2. Fusiform
3. Napiform
4. Prop

Q. Assertion : Presence of pneumatophores (the respiratory roots) is a special adaptation of hydrophytes.
Reason: Pneumatophores help to take up oxygen from the atmosphere and transports it into the main roots.

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. assertion is incorrect but reason is correct

Q. Which of these is not necessary for photosynthesis?

(a) carbon dioxide
(b) chlorophyll
(c) light
(d) nitrogen

Q. Penetrating roots of Cuscuta are

1. Haustoria
2. Stilt roots
3. Climbing roots
4. Assimilatory roots

Q. Sweet potato is a modified:

1. Adventitious root
2. Stem
3. Fibrous root
4. Tap root