CBSE PMT 1998; BHU 2012
Q276
Errorless
Bryophytes
MCQ
Bryophytes are dependent on water because
A.
Archegonium has to remain filled with water for fertilization
B.
Water is essential for fertilization for their homosporous nature
C.
Water is essential for their vegetative propagation
D.
The sperms can easily reach upto egg in the archegonium
AIIMS 1998, 99; BHU 2006
Q277
Errorless
Funaria and Riccia
MCQ
Primitive types of stomata are found in the
A.
Leaves of moss plants
B.
Axis of the moss plant
C.
Apophysis of capsule of moss
D.
All the above
RPMT 1998
Q278
Errorless
Funaria and Riccia
MCQ
Sporophyte of Riccia contains
A.
Spores, elaters and nutritive cells
B.
Spores and nutritive cells
C.
Elaters and spores
D.
Spores only
Pune CET 1998; CBSE PMT 2009; Odisha JEE 2011
Q279
Errorless
Selaginella
MCQ
Which one of the following is considered important in the development of seed habit
Or Selaginella has the character of evolutionary importance. That character is [JIPMER 1993; BHU 1994; MP PMT 2012]
A.
Dependent sporophyte
B.
Heterospory
C.
Haplontic life cycle
D.
Free-living gametophyte
Pune CET 1998
Q280
Errorless
Selaginella
MCQ
Rhizophore in Selaginella is
A.
A modified leaf
B.
A root
C.
A shoot
D.
Organ sui genesis
MP PMT 1998
Q281
Errorless
Selaginella
MCQ
Heteromorphic alternation of generations is found in
A.
Spirogyra
B.
Mucor
C.
Selaginella
D.
Pinus
Pune CET 1998
Q282
Errorless
Pinus
MCQ
Annual rings are well seen in
A.
Selaginella stem
B.
Cycas wood
C.
Pinus wood
D.
All the above
CBSE PMT 1998; CPMT 1999, 2001; AFMC 2002; Manipal 2005
Q283
Errorless
Pinus
MCQ
Which of the following tissue is present in the leaves of Pinus and serve to conduct water and food
A.
Xylem
B.
Phloem
C.
Transfusion tissue
D.
Conducting tissue
Pune CET 1998; Kerala PMT 2004
Q284
Errorless
Pinus
MCQ
A microsporophyll in Pinus has
A.
One microsporangium on the adaxial side
B.
One microsporangium on the abaxial side
C.
Two microsporangia on the abaxial side
D.
Two microsporangia on the adaxial side
E.
Four microsporangia on the lower side
CBSE PMT 1998; CPMT 1998; MHCET 2000; BHU 2012
Q285
Errorless
Cycas
MCQ
In which plant largest sperms (antherozoids) are found
A.
Cycas
B.
Pinus
C.
Mango
D.
Sunflower
RPMT 1998
Q286
Errorless
Cycas
MCQ
Vegetative reproduction in Cycas occurs by
A.
Scale leaves
B.
Sporophylls
C.
Bulbils
D.
Fragmentation
CBSE PMT 1998
Q287
Errorless
Cycas
MCQ
Which is incorrect about Cycas
A.
Its xylem has vessels
B.
It has circinate venation
C.
It does not have well organised female flower
D.
Its roots possess some blue-green algae
Pune CET 1998
Q288
Errorless
Critical Thinking
MCQ
In Pinus, the approximate time for fertilization after pollination is
A.
Only a few hours
B.
Only a few days
C.
Only a few weeks
D.
About one year
AIIMS 1998
Q289
Errorless
Critical Thinking
MCQ
When the gametophyte is not formed by spores but by any other part of sporophyte, it is known as
A.
Multispory
B.
Polyspory
C.
Apospory
D.
Germination
AIIMS 1998; CPMT 2000; CBSE PMT 2002
Q290
Errorless
Critical Thinking
MCQ
A mature ligule, having a prominent basal portion, is called Or
The basal portion of ligule of Selaginella is hemispherical and is called
A.
Trichocyst
B.
Heterocyst
C.
Rhizophore
D.
Glossopodium
CPMT 1998; MHCET 2003
Q291
Errorless
Self Evaluation Test
MCQ
Rhizoids in Funaria arise from
A.
Basal region
B.
Ventral region
C.
Dorsal region
D.
None of these
CBSE PMT 1998
Q292
Errorless
Self Evaluation Test
MCQ
The walking fern is so named because
A.
Its spores are able to walk
B.
It is dispersed through the agency of walking animals
C.
It propagates vegetatively by its leaf tips
D.
It known how to walk by itself
CBSE PMT 1997; MP PMT 2005; Kerala PMT 2012
Q293
Errorless
Algae
MCQ
Choose the correct order of colours with respect to pigments, chlorophyll, phycoerythrin and fucoxanthin
A.
Green, red and brown
B.
Brown, green and red
C.
Red, green and brown
D.
Green, brown and red
MP PMT 1997
Q294
Errorless
Spirogyra and Ulothrix
MCQ
A spore of Spirogyra sp. after resting period is
A.
Haploid
B.
Diploid
C.
Aplanospore
D.
Zygospore
CBSE PMT 1997, 99
Q295
Errorless
Bryophytes
MCQ
Bryophytes can be separated from algae, because they
A.
Are thalloid forms
B.
Have no conducting tissue
C.
Possess archegonia
D.
Contain chloroplast
RPMT 1997
Q296
Errorless
Bryophytes
MCQ
What is incorrect for bryophytes
A.
Vascular tissue lacking
B.
Independent sporophyte absent
C.
Gametophyte reduced and dependent
D.
Asexual reproduction by zoospores absent
RPMT 1997
Q297
Errorless
Funaria and Riccia
MCQ
The middle sterile portion in the capsule of moss (Funaria) is
A.
Spore sac
B.
Protonema
C.
Collumela
D.
Apophysis
RPMT 1997; BVP 2000; AMU (Med.) 2005; Odisha JEE 2011
Q298
Errorless
Pteridophytes
MCQ
Which one of the following belongs to vascular cryptogams Or First vascular plant is[Odisha JEE 2005]
A.
Bryophyta
B.
Pteridophyta
C.
Gymnosperms
D.
Angiosperms
RPMT 1997
Q299
Errorless
Pteridophytes
MCQ
Which of the following is not a pteridophyte
A.
Ginkgo
B.
Selaginella
C.
Polypodium
D.
Azolla
JIPMER 1997; AIIMS 1998; CBSE PMT 2000; Wardha 2001
Q300
Errorless
Pteridium, Pteris, Dryopteris
MCQ
In Pteridophytes/ Dryopteris meiosis occurs at the time of
A.
Gamete formation
B.
Spore formation
C.
Formation of prothallus
D.
Formation of sex organs