PrepBharat

1. Bulliform or motor cells are present in
a) Dicot stem
b) Upper epidermis of dicot leaves
c) Lower epidermis of monocot leaves
d) Upper epidermis of monocot leaves

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2. Exarch and polyarch vascular bundles occur in
a) Monocot stem
b) Monocot root
c) Dicot stem
d) Dicot root

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3. In root, the xylem is
a) Mesarch
b) Exarch
c) Placed at different places in different plants
d) Endarch

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4. In monocot leaf
a) Bulliform cells are absent from the epidermis
b) Veins form a network
c) Mesophyll is well differentiated into these parts
d) Mesophyll is not differentiated into palisade and spongy parenchyma

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5. In dicot root
a) Vascular bundles are scattered and with cambium
b) Vascular bundles are arranged in a ring and have cambium
c) Xylem and phloem are radially arranged
d) Xylem is always endarch

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6. Well-developed pith is found in
a) Monocot stem and dicot root
b) Monocot and dicot stems
c) Dicot stem and dicot root
d) Dicot stem and monocot root

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7.The correct situation of mesophyll in isobilateral grass leaf is shown by
a) Palisade towards adaxial surface
b) Palisade towards abaxial surface
c) Undifferentiated mesophyll
d) Palisade along both the surface

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8. Monocot root differs from dicot root in having
a) Open vascular bundles
b) Scattered vascular bundles
c) Well-developed pith
d) Radially arranged vascular bundles

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9. Vascular bundles are scattered in
a) Bryophytes
b) Dicot root
c) Dicot stem
d) Monocot stem

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10. Generally hypodermis in monocots is composed of
a) Parenchyma
b) Sclerenchyma
c) Collenchymas
d) Chlorenchyma

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