Roots: Structure and Types

Q. Which of the following part of the plant produce seeds?

1. Stem
2. Root
3. Leaf
4. Flower

Q.

What is the function of the root cap?

Q.

Name a nematode that infects the roots of tobacco plants.

Q. Mango, neem, carrot, radish possess fibrous root system.

1. True
2. False

Q. Breathing roots are also called pneumatophores.

1. True
2. False

Q.

In the endarch type of primary xylem seen in stems, where is the protoxylem found?

Q.

Tomatoes appear red in colour due to the presence of the pigment lycopene but at the early stage of a tomato , it appears green in colour. How does the tomato get its red colour when it is ripe ?

Q. Match the following.

FOOD	PARTS OF THE PLANT
A - Tomato, Apple	(i) Stem
B - Potato, Sugarcane	(ii) Root
C - Carrot, Radish	(iii) Fruit

1. A-(i); B-(iii); C-(ii)
2. A-(iii); B-(i); C-(ii)
3. A-(ii); B-(i); C-(iii)
4. A-(ii); B-(iii); C-(i)

Q.

What is the scientific name for tea?

Q. Which of the following is a modified stem for storage of food?

1. Potato
2. Sweet potato
3. Carrot
4. Turnip

Q.

Do fish eat seaweed?

Q.

Who proposed the Tunica Corpus theory?

Q.

What is a root cap?

Q.

Where is velamen seen?

Q.

Vegetative propagation in Pistia and Water Hyacinth occurs by:

1. sucker

2. runner

3. offset

4. stolon

Q. Which of the following is/are functions of root?

1. Providing anchorage to the plant
2. Absorbing water and minerals
3. Performing photosynthesis
4. Prevent soil erosion

Q.

Which of the following plant parts can respire even in the absence of O₂?

1. Seeds

2. Roots

3. Stems

4. Leaves

Q.

___ helps in cell division.

Q.

During cell division, the chromosomes duplicate and distribute equally in the daughter cells. This type of cell division is called as ______________.

1. Digestion

2. Photosynthesis

3. Mitosis

4. Fertilization

Q. Assertion (A): Roots are plant structures which always grow below the soil.
Reason (R): Roots absorb water and minerals from the soil.

1. A is true and R is false.
2. A is false and R is true.
3. Both A and R are true.
4. Both A and R are false.

Q. The root system arises from the plumule of a sprouting seed whereas the shoot system arises from the radicle.

1. True
2. False

Q. Which of the following are functions of the root cap?

1. Protection of the root tip from injuries
2. Pushing the roots deep into the soil
3. Inhibiting the growth of competing plants
4. Releases toxins from plant to the soil

Q.

In which of the following root systems primary root is prominent?

1. None of these

2. Tap root

3. Fibrous root

4. Both of these

Q. Roots in which of these following plants grows deepest in the soil?

1. Wheat
2. Rice
3. Corn
4. Carrot

Q.

What is the Study of Fruits called and what does it deal with?

Q. Which among the following statements are true regarding reproductive structures in a flower?
(i) Ovule contains the egg cell
(ii) Ovaries develop into seeds
(iii) An ovule develops into a fruit
(iv) Pollination is the transfer of pollen from anther to stigma

1. Only (i) and (iv)
2. Only (i), (ii)
3. (i), (ii) and (iii)
4. Only (i), (ii)

Q. The plant shown below contains ______ root system.

1. fibrous
2. tap
3. lateral
4. tuberous

Q.

Where does primary stem growth occur?

Q.

What does the Tunica Corpus theory propose?

Q. Which of the following has the main root?

1. Tap root

2. None of these

3. Both of these

4. Fibrous root