Radial
Trending Questions
Q. In stems, the protoxylem lies towards the ___________and the metaxylem lies towards the ____________ of the organ.
- periphery; periphery
- periphery; centre
- centre; centre
- centre; periphery
Q.
Why and how does water enter continuously into the root xylem?
Q. Radial vascular bundles are the ones in which xylem and phloem occur on
- Same radius
- Alternate radii
- Xylem outside and phloem inside
- Phloem outside and xylem inside
Q. Vascular bundles of the root are described as
- radial and exarch
- conjoint and endarch
- radial and endarch
- conjoint and exarch
Q.
What part of the plant would show the following?
(a) Radial vascular bundle
(b) Polyarch xylem
(c) Well developed pith
Q. Vascular bundles of the root are described as
- radial and exarch
- conjoint and endarch
- radial and endarch
- conjoint and exarch
Q. A vascular element "A" is dead, cylindrical, lignified and conduct substances due to a negative pressure created in it due to transpiration pull. A vascular element "B" is living, cylindrical, non lignified, enucleated and conduct substances due to a positive pressure created in it. A & B conducting elements respectively are
- xylem parenchyma & sieve tubes
- xylem vessels & sieve tubes
- sieve tubes & xylem tracheids
- sieve tubes & xylem vessels
Q. Very short answer type.
What is an open type of vascular bundle?
What is an open type of vascular bundle?
Q. Radial vascular bundles are the ones in which xylem and phloem occur on
- Same radius
- Alternate radii
- Xylem outside and phloem inside
- Phloem outside and xylem inside
Q. Name the type of vascular bundle where the xylem and phloem are arranged alternately.
Q.
bring out the differences between root and stem on the basis of the following a] hair b] vascular bundles
Q. A plant with unifolaite leaves is
- Balanites
- Aegle
- Citrus
- Paris
Q. Imagine a live twig from a tree and examine the cut surface of the twig with a magnifying glass. You locate a vascular tissue and observed a growing droplet of the fluid excluding from the cut surface. This fluid is probably
- Phloem sap
- Xylem sap
- Guttation fluid
- Only water
Q. Conjunctive tissue is present between (i) and (ii) in (iii)
- (i) Pericycle (ii) Endodermis (iii) Dicot root
- (i) Xylem (ii) Phloem (iii) Dicot root
- (i) Palisade parenchyma (ii) Spongy parenchyma (iii) Dicot leaf
- (i) Xylem (ii) Phloem (iii) Dicot stem
Q. Identify the following plants with reference to the number of phloem strands in their roots.
(A) Nicotina
(B) Castanea
(C) Ricinus
(D) Gossypium
(A) Nicotina
(B) Castanea
(C) Ricinus
(D) Gossypium
- 4 2 8 5
- 5 1 2 8
- 8 5 4 2
- 2 8 5 4