Anatomy of Flowering Plants Questions and Answers Part-17

1. The polyarch condition is seen in
a) Monocot stem
b) Monocot root
c) Dicot root
d) Dicot stem

Answer: b
Explanation: The polyarch condition is seen in Monocot root

2. Which of the following is not a characteristic feature of the anatomy of dicotyledonous root?
a) Radial vascular bundles
b) Secondary growth
c) Pith is little or absent
d) Conjoint collateral

Answer: d
Explanation: Conjoint collateral

3. Endodermis of dicot stem is also called
a) Bundle sheath
b) Starch sheath
c) Mesophyll
d) Pith

Answer: b
Explanation: Endodermis of dicot stem is also called Starch sheath.

4. The cell layer located at the periphery in the cross-section of the root is called
a) Endodermis
b) Epiblema
c) Pericycle
d) Xylem

Answer: b
Explanation: The cell layer located at the periphery in the cross-section of the root is called Epiblema.

5. Exarch xylem is found in
a) Root
b) Stem
c) Leaf
d) Rachis

Answer: a
Explanation: Exarch xylem is found in root.

6. Two to four xylem bundle are found in
a) Monocot root
b) Monocot stem
c) Dicot stem
d) Dicot root

Answer: d
Explanation: Two to four xylem bundle are found in dicot root.

7. Collenchymatous hypodermis is characteristics of
a) Dicot stem
b) Monocot stem
c) Monocot as well as dicot stem
d) Hydrophytes

Answer: a
Explanation: Collenchymatous hypodermis is characteristics of Dicot stem

8. Vascular bundles in dicot stem are
a) Conjoint and collateral
b) Conjoint and closed
c) Conjoint, collateral and open
d) Collateral and open

Answer: c
Explanation: Conjoint, collateral and open

9. Cortex and pith are not distinguished in
a) Dicot stem
b) Monocot stem
c) Dicot root
d) Monocot root

Answer: b
Explanation: Cortex and pith are not distinguished in monocot stem.

10. In a dorsiventral leaf, the location of palisade tissue and phloem are known as
a) Abaxial and abaxial
b) Adaxial and abaxial
c) Adaxial and adaxial
d) Abaxial and adaxial

Answer: b
Explanation: Adaxial and abaxial