T.S of Dicot and Monocot Root

Q. Give comparison between the following: Anatomy of leaf in C3 and C4 plants

Q.

What is Dendrochronology?

Q.

Secondary xylem and phloem in dicot stem are produced by

1. vascular cambium

2. phellogen

3. axillary meristems

4. apical meristems

Q. Conjunctive tissue is made up of

1. collenchyma cells
2. sclerenchyma cells
3. parenchyma cells
4. meristematic cells

Q.

Rewrite the terms in correct order in logical sequence.

Cortical cells, root hair, soil water, endodermis, xylem.

Q.

How many radial vascular bundles are found in the dicot root?

Q. The tissue present between xylem and phloem of a root is called

1. endodermis
2. conjunctive tissue
3. pith tissue
4. pericycle

Q.

In dicot roots

1. Xylem is always endarch

2. Vascular bundles are scattered and have cambium.

3. Xylem and phloem bundles are radially arranged.

4. Xylem is always exarch

Q. Which of the following plants is considered to study the anatomy of the dicot root?

1. Onion
2. Grass
3. Maize
4. Sunflower

Q. Who is the father of plant anatomy?

1. N. Grew
2. Nageli
3. Hartig
4. Schleiden

Q.

What is the difference between epidermis and endodermis?

Q.

Find out the incorrect sentence.

1. Parenchymatous tissues have intercellular spaces.

2. Collenchymatous tissues are irregularly thickened at corners.

3. Apical and intercalary meristems are permanent tissues.

Q. The image given below is the transverse section of which of the following options?

1. dicot root
2. monocot root
3. monocot stem
4. dicot stem

Q. The given diagram represents secondary growth in a typical dicot root. In which one of the options are all the four parts A, B, C and D correctly identified?

1. A - Primary Xylem; B - Primary Phloem; C - Secondary Phloem;
   D - Secondary Xylem
2. A - Primary Phloem; B - Vascular Cambium; C - Secondary Xylem;
   D - Secondary Phloem
3. A - Vascular Cambium; B - Primary Xylem; C - Secondary Xylem;
   D - Secondary Phloem
4. A - Primary Phloem; B - Vascular Cambium; C - Secondary Phloem;
   D - Secondary Xylem

Q.

Which of the following is not a simple tissue?

1. Xylem

2. Parenchyma

3. Collenchyma

4. Sclerenchyma

Q.

In sclerenchyma, the cell wall is

1. Cutinised

2. Suberised

3. Pectinised

4. Lignified

Q. Arrange the regions in the transverse section of the dicot root from the centre to the periphery.

1. Pith, cortex, pericycle, endodermis, epiblema
2. Epiblema, cortex, endodermis, pericycle, pith
3. Pith, pericycle, endodermis, cortex, epiblema
4. Pith, endodermis, pericycle, cortex, epiblema

Q. The loosely arranged non-chlorophyllous parenchyma cells present in lenticels, are called

1. passage cells
2. water stomata
3. complementary cells
4. albuminous cells

Q. Four radial vascular bundles are found in:

1. Dicot root
2. Monocot root
3. Monocot stem
4. Dicot stem

Q. Read the following statements and choose the correct option.
a) Pith is large and well developed in roots of monocot plants.
b) Bundle sheath is presents in dicot stem.
c) Water containing cavities are present within vascular bundles of monocot stem.

1. Only (b) is incorrect
2. Only (a) is incorrect
3. Only (a) and (b) are correct
4. All (a), (b) and (c) are correct

Q.

Is mustard a tap root?

Q.

Which of these is true for dicot roots?

1. Xylem is always endarch.

2. Xylem and phloem bundles are radially arranged.

3. Vascular bundles are scattered and have cambium.

4. Vascular bundles are arranged in the form of a ring at the same radius.

Q. Sapwood differs from heartwood in being/having:

1. Darker in colour
2. Lignified xylary elements
3. Tannins, resins, oils as it is central part
4. Involved in conduction of water from roots to stem

Q.

The cross-section of a plant material showed the following features when viewed under the microscope.

(a) The vascular bundles were radially arranged.

(b) Four xylemstrands with exarch condition of protoxylem.

To which organ should it be assigned?

Q.

Is Phellem produced by the Phellogen?

Q. Which of the following is the characteristic of a monocot root?

1. Radial vascular bundles
2. Single layered endodermis
3. Large pith
4. Conjuctive tissue in between xylem and phloem

Q. The image given below is the transverse section of which of the following options?

1. dicot root
2. monocot root
3. dicot stem
4. monocot stem

Q. How does the stele differ in the monocot and dicot roots?

1. In the arrangement of xylem and phloem
2. In pith region
3. In the number of xylem bundles
4. Both b and c

Q.

Underground stem modification is observed in which plant?

1. Ginger

2. Onion

3. Carrot

4. Beetroot

Q. Stele does not include

1. pericycle
2. endodermis
3. xylem
4. pith