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Anatomy Of Flowering Plants

324 Questions Start Errorless Test
All Exams Allen Errorless
RPMT 1995 Q226 Errorless 4. Secondary growth MCQ
Lenticels are found in
A.
Young dicot stem
B.
Old dicot stem
C.
Monocot root
D.
Young root
Kashmir MEE 1995; CBSE PMT (Pre.) 2011 Q227 Errorless 4. Secondary growth MCQ
The cork cambium, cork and secondary cortex are collectively called
A.
Phellem
B.
Phelloderm
C.
Phellogen
D.
Periderm
EAMCET 1995 Q228 Errorless 4. Secondary growth MCQ
The vascular cambium in dicots is
A.
Lateral
B.
Apical
C.
Intercalary
D.
Secondary
BHU 1995; MP PMT 1996; AFMC 2010 Q229 Errorless 6. Critical Thinking MCQ
Grafting is not possible in monocots because they
A.
Have scattered vascular bundles
B.
Have parallel venation
C.
Are herbaceous
D.
Lack cambium
CMC Vellore 1994; MP PMT 1999 Q230 Errorless 1. Tissue(General) MCQ
A group of cells alike in form, function and origin is called
A.
Organ
B.
Organella
C.
Tissue
D.
None of these
BHU 1994; JIPMER 2002 Q231 Errorless 1. Tissue(General) MCQ
Fibres are obtained from
A.
Xylem, phloem and sclerenchyma
B.
Xylem, phloem, sclerenchyma and epidermis
C.
Xylem, parenchyma, epidermis
D.
Xylem, parenchyma, endodermis
BHU 1994; NEET (Phase-II) 2016 Q232 Errorless 1. Tissue(General) MCQ
The baloon like outgrowth of parenchyma in the lumen of a vessel is known as
A.
Histogen
B.
Tyloses
C.
Phellogen
D.
Tunica
CBSE PMT 1994; BHU 1994; HP PMT 2005; Kerala PMT 2008 Q233 Errorless 1. Tissue(General) MCQ
The casparian strips of root endoderm contain a mixture of
A.
Cellulose and cutin
B.
Cellulose and lignin
C.
Lignin and suberin
D.
Cellulose and suberin
MP PMT 1994, 98, 2002 Q234 Errorless 1. Tissue(General) MCQ
Lignin is the important constituent in the cell wall of
A.
Phloem
B.
Parenchyma
C.
Xylem
D.
Cambium
BHU 1994, 99; RPMT 2002, 06; Manipal 2005; CPMT 2009 Q235 Errorless 1. Tissue(General) MCQ
Root cap is absent in
A.
Lithophytes
B.
Hydrophytes
C.
Xerophytes
D.
Mesophytes
JIPMER 1994 Q236 Errorless 1. Tissue(General) MCQ
Promeristem is found in
A.
Embryo
B.
Root apex
C.
Shoot apex
D.
Intercalary region
AFMC 1994 Q237 Errorless 1. Tissue(General) MCQ
Meristematic tissues include
A.
Leaf tips, cork cambium and vascular cambium
B.
Stem and root apices, cork cambium and mature fruits
C.
Stem and root apices, vascular cambium and cork cambium
D.
Mature fruits and leaf tips
BHU 1994 Q238 Errorless 2. The tissue system MCQ
When formation of metaxylem is in a centripetal manner, the xylem is
A.
Endarch
B.
Exarch
C.
Mesarch
D.
Radial
BHU 1994 Q239 Errorless 3. Internal structure of root, stem and leaf MCQ
In a vertical section of a dorsiventral leaf, the protoxylem in its midrid bundle
A.
Faces the dorsal epidermis of the leaf
B.
Faces the ventral epidermis of the leaf
C.
Is not distinct
D.
Is surrounded by metaxylem
CPMT 1994 Q240 Errorless 4. Secondary growth MCQ
The pores present in the wall of plant's stem i.e., called Or In a plant organ which is covered by periderm and in which the stomata are absent, some gaseous exchange still takes place through [AIIMS 2004]
A.
Lenticels
B.
Bark
C.
Dalipore
D.
All the above
CBSE PMT 1994 Q241 Errorless 4. Secondary growth MCQ
In a stratified cambium, the fusiform initials are
A.
Long and overlap each other at the ends
B.
Short and overlap each other at the ends
C.
Short and arranged in horizontal tiers
D.
Short or long and overlap each other at the ends
BHU 1994 Q242 Errorless 6. Critical Thinking MCQ
In woody dicotyledons, the arrangement of vessels is either diffuse porous or ring porous. Based on these data, which one of the following statements is correct
A.
Ring porous vessels are specialised and are used for conducting more water for a shorter period only, when tyloses occur early in the vessels
B.
Although diffuse porous vessels are not so specialized as ring porous vessels, they conduct more water at all periods and through new xylem vessels added gradually during development
C.
Diffuse porous vessels carry more water and also faster because of a greater number of small vessels having greater capillary force
D.
Ring porous vessels conduct more water as they are formed early during development, when the need for water is great
AIIMS 1994 Q243 Errorless 7. Assertion and Reason MCQ
Assertion : All tissues lying inside vascular cambium are called as bark. Reason: Bark is made up of phellogen, phellem and phelloderm lying inside secondary phloem.
A.
If both assertion and reason are true and the reason is the correct explanation of the assertion.
B.
If both assertion and reason are true but reason is not the correct explanation of the assertion.
C.
If assertion is true but reason is false.
D.
If the assertion and reason both are false.
E.
If assertion is false but reason is true.
CPMT 1993, 2002, 05; RPMT 2005, 06; WB JEE 2010 Q244 Errorless 1. Tissue(General) MCQ
Quiescent centre is found in
A.
Stem tip
B.
Root tip
C.
Leaf tip
D.
None of these
CPMT 1993; BVP 2000 Q245 Errorless 1. Tissue(General) MCQ
Bordered pits are found in
A.
Gymnosperms
B.
Bryophytes
C.
Monocots
D.
Hydrilla
CPMT 1993 Q246 Errorless 1. Tissue(General) MCQ
Lignin is the main constituent of
A.
Woody tissues
B.
Growing tissues
C.
Phloem
D.
Cortex
MP PMT 1993 Q247 Errorless 1. Tissue(General) MCQ
The complex tissues include
A.
Scleroids
B.
Sclerenchyma
C.
Secretory tissues
D.
Collenchyma
EAMCET 1993; RPMT 1997; CPMT 1999; HPMT 2005 Q248 Errorless 4. Secondary growth MCQ
The cambium which produces cork is known as Or The common bottle cork is a product of [NCERT; CBSE PMT (Pre.) 2012] Or The meristem that is parallel to the longitudinal axis of the plant is
A.
Phelloderm
B.
Phellogen
C.
Periblem
D.
Periderm
CBSE PMT 1993 Q249 Errorless 4. Secondary growth MCQ
Which will decay faster if exposed freely
A.
Soft wood
B.
Heart wood
C.
Sap wood
D.
Wood with lots of fibres
CBSE PMT 1992; RPMT 1997; BVP 2003 Q250 Errorless 2. The tissue system MCQ
Vascular bundles in which phloem is found on both sides of xylem are called (In which of the following phloem occurs in two patches)
A.
Collateral
B.
Bicollateral (Amphiphloic)
C.
Radial
D.
Amphicribral