NEET Biology is the vey important paper in the medical entrance exam. Here, you will discover the NEET Biology MCQs and Answers for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution . NEET Biology Internal Structure of Root Stem and Leaf Multiple Choice Questions
MCQs on Internal Structure of Root Stem and Leaf :
1. Collenchymatous hypodermis is characteristics of
(a) Hydrophytes
(b) Monocot and dicot stem
(c) Monocot stem
(d) Dicot stem
Answer
Answer: (d)
2. The lacunae in the vascular bundles of monocot stem is
(a) Metaxylem
(b) A mucilage canal
(c) Lysigenous water cavity
(d) A large sized protoxylem
Answer
Answer: (c)
3. The protoxylem in its midrid bundle in a vertical section of a dorsiventral leaf
(a) is not distinct
(b) faces the ventral epidermis of the leaf
(c) faces the dorsal epidermis of the leaf
(d) is surrounded by metaxylem
Answer
Answer: (c)
4. This is not a characteristic feature of anatomy of dicotyledonous root
(a) Pith little or absent
(b) Secondary growth
(c) Radial vascular bundles
(d) Vascular bundles 15-20
Answer
Answer: (d)
5. Vascular bundles are scattered in
(a) Dicot stem
(b) Dicot root
(c) Bryophytes
(d) Monocot stem
Answer
Answer: (d)
6. The correct situation of mesophyll in isobilateral grass leaf is shown by
(a) Palisade along both the surface
(b) Undifferentiated mesophyll
(c) Palisade towards abaxial surface
(d) Palisade towards adaxial surface
Answer
Answer: (b)
7. Well-developed pith is found in
(a) Monocot root and Dicot stem
(b) Dicot root and Dicot stem
(c) Dicot root and Monocot stem
(d) Dicot and Monocot stems
Answer
Answer: (a)
8. In monocot leaf
(a) Veins form a network
(b) Mesophyll is not differentiated into palisade and spongy parenchyma
(c) Mesophyll is well differentiated into these parts
(d) Bulliform cells are absent from epidermis
Answer
Answer: (b)
9. In orchids, Velamen tissues is found in
(a) Leaves
(b) Root
(c) Flowers
(d) Shoot
Answer
Answer: (b)
10. Polyarch and exarch vascular bundles occur in
(a) Dicot stem
(b) Monocot stem
(c) Dicot root
(d) Monocot root
Answer
Answer: (d)