Question No:1
Epidermis and epiblema are produced from
(A) Phellogen
(B) procambium
(C) protoderm
(D) calyptrogen
Question No:2
Which of the following is an a nucleated living plant cell?
(A) vessel
(B) sieve tube
(C) tracheid
(D) all of these
Question No:3
The vascular bundles of monocot root are
(A) endarch, radial
(B) exarch, radial
(C) endarch, scattered
(D) exarch, bicollateral
Question No:4
Tyloses thickenings are seen in
(A) collenchyma
(B) Phloem cells
(C) ray parenchyma only
(D) ray parenchyma and xylem cells
Question No:5
Who differentiates leaf of dicots from monocots?
(A) parallel venation
(B) differentiation of palisade and spongy parenchyma
(C) stomata only on upper side
(D) stomata both on upper and lower sides
Question No:6
Duramen is present in
(A) inner region of secondary wood
(B) part of sap wood
(C) outer region of secondary wood
(D) region of pericycle
Question No:7
Phellogen is known as
(A) periderm
(B) cork cambium
(C) vascular cambium
(D) none of these
Question No:8
At maturity, which of the following is non-nucleated?
(A) Palisade cell
(B) sieve cell
(C) companion cell
(D) cortical cell
Question No:9
Branch of science dealing with estimation the age of woody plants
(A) Dendrology
(B) Chronology
(C) Dendrochronology
(D) Arborichronology
Question No:10
The grafting is not possible in monocots, because they
(A) have parallel venation
(B) lack cambium
(C) are herbaceous
(D) have scattered vascular bundle.
Question No:11
Conjoint, collateral and open vascular bundles are present in
(A) monocot root
(B) dicot root
(C) monocot stem
(D) dicot stem
Question No:12
Development of succulency, with the presence of mucilage, is a xerophytic adaptation in which of the following plant?
(A) Bryophyllum
(B) Aloe
(C) Agave
(D) both (b) and (c)
Question No:13
Lenticels and hydathodes are small pores with which of the following common attributes?
(A) they always remain closed
(B) they allow exchange of gases
(C) they are found on the same organ of plants
(D) their opening and closing is not regulated
Question No:14
In dicot stems, the vascular bundles are
(A) amphicribal
(B) scattered
(C) arranged in a ring
(D) none of these
Question No:15
Cambium is
(A) Primary meristem
(B) intercalary meristem
(C) lateral meristem
(D) none of these
Question No:16
A root hair is derived from
(A) epidermal cell
(B) cortical cell
(C) endodermal cell
(D) pericycle cell
Question No:17
Secondary growth in dicot stem is the activity of
(A) xylem
(B) cork cambium
(C) vascular cambium
(D) both (b) and (c)
Question No:18
Casparian strips are present in
(A) endodermis
(B) cortex
(C) hypodermis
(D) epidermis
Question No:19
The lateral roots originate from
(A) pericyle
(B) exodermis
(C) vascular bundles
(D) endodermis
Question No:20
Annual rings are distinct in plants, which grow in
(A) tropical regions
(B) grass land
(C) temperate region
(D) arctic region