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Quiz 1
Solution
Q.1.
Which among the following is incorrect about the anatomy of dicot root?
a) The layer just inside the endodermis in a dicot root is called pericycle
b) The portion between endodermis and epidermis is covered by parenchyma cells
c) Secondary growth initiates from the cells of pericycle
d) Pith in a dicot root quite larger than that of a mono cot root
Q.2.
Which among the following is an incorrect statement about the anatomy of a dicot root?
a) More xylem bundles are present in a dicot root
b) Conjunctive tissues are made of parenchymatic cells
c) Cortex is made of schlerenchymatous cells
d) Intercellular spaces are absent in endodermis
Q.3.
Conjunctive cells are present only in dicot root and absent in monocot roots.
a) True
b) False
Q.4.
Which among the following is incorrect about dicot stem?
a) Xylem and phloem are vascular bundles are arranged in a ring like fashion
b) Hypodermis is present just below the epidermis
c) The vascular bundles are of open type
d) Pith is made of vascular bundles
Q.5.
Cortical layers of a dicot stem are made of collenchyma cells.
a) True
b) False
Q.6.
Vascular bundles, pericycle and pith are combinedly called stele.
a) True
b) False
Q.7.
Which among the following is incorrect about anatomy of a dicot stem?
a) Epidermis is covered with a thin layer of cuticle and it bears few stomata and trichomes
b) The hypodermis is made of collenchymatous cells and is present just below the epidermis
c) Cortex is made of parenchymatic cells with conspicuous intercellular spaces
d) Endodermis are also called as wax sheath as they are rich in waxy materials
Q.8.
Which among the following is incorrect about anatomy of the dicot leaf?
a) Mesophyll is the portion in between adaxial and abaxial epidermis
b) Mesophyll that performs photosynthesis are called palisade parenchyma and spongy parenchyma
c) Spongy parenchyma are placed towards the adaxial epidermis
d) Palisade parenchymatic cells are elongated cells that are arranged parallel to each other
Q.9.
Vascular bundles are surrounded by _________
a) Bundle sheath cells
b) Endodermis
c) Epidermis
d) Hypodermis
Q.10.
The central portion of the stem is called ________
a) Pith
b) Cortex
c) Vascular bundles
d) Ground tissue
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