Prepare for NEET Biology Anatomy of Flowering Plants (Xylem) with MCQs & PYQs on NEET.GUIDE. Access free practice, previous year questions, and expert insights to understand water-conducting elements: tracheids, vessels, fibers.
NEET Questions / Botany / Anatomy of Flowering Plants / Xylem
โExarchโ is the condition of vascular bundles in which
Protoxylem lies toward the outside and metaxylem lies inward
Metaxylem lies toward the outside and protoxylem lies inward
Metaxylem lies toward the lateral side and protoxylem lies inward
Protoxylem lies toward the lateral side and metaxylem lies inward
Which element of xylem is the characteristic feature of angiosperms?
Tracheids
Phloem
Vessels
Xylem fibre
Which element of xylem is the characteristic feature of angiosperms?
Tracheids
Phloem
Vessels
Xylem fibre
The function of a vessel is conduction of
Food
Water and minerals
Hormones
All of these
The function of a vessel is conduction of
Food
Water and minerals
Hormones
All of these
Arrange the following plants in ascending order based on the number of xylem strands in their roots.
I. Trapa II. Pisum III. Castanea IV. Nicotiana
II, IV, III, and I
III, IV, II, and I
IV, III, I, and II
I, IV, II and III
Arrange the following plants in ascending order based on the number of xylem strands in their roots.
I. Trapa II. Pisum III. Castanea IV. Nicotiana
I < II < III < IV
II/IV < I < III
III < I < II < IV
IV < III < II < I
Tyloses are balloon-like ingrowths in vessels developing from the adjoining
Fibres through pits on vessel wall
Fibres through the general surface of vessel wall
Parenchyma through pits on vessel wall
Parenchyma through the general surface of vessel wall
Among the following attributes of xylem, which are mainly mechanical in function?
Xylem fibre
Xylem parenchyma
Tracheids
Vessels
Which of the following would be in significant amount in xylem sap?
Water
Glucose
Starch
Proteins