1) Most of the gymnosperm differ from angiosperm in
a) having nacked seed
b) having naked ovules
c) being similar in system showing heterospory
d) none of the above
Ans------>b
2) Seeds in the gymnosperm are
a) enclosed in ovary
b) enclosed in fruit wall
c) naked
d) none of the above
Ans------>c
3) The gymnosperm resemble angiosperm in terms of
a) having ciliated sperms
b) presence of archegonia
c) presence of ovules
d) presence of manoxylic wood
Ans------>c
4) The era in which gymnosperm originated is
a) archaezoic
b) Mesozoic
c) late palaeozoic
d) proterozoic
Ans------>c
5) Gymnosperm lacks
a) tracheids and vessels
b) tracheids and sieve cells
c) vessels and sieve cells
d) vessels and sieve tube
Ans------>d
6) Ovules of gymnosperm is generally
a) anatropous and bitegmic
b) orthotropous and bitegmic
c) orthotropous and unitegmic
d) anatropous and unitegmic
Ans------>c
7) Pycnoxylic wood is
a) compact and hard
b) soft and loose
c) porous
d) thick
Ans------>a
8) The endosperm of gymnosperm is haploid because
a) it is a gametophytic tissue
b) the double fertilization does not occur
c) it is not a product of triple fusion
d) all of the above
Ans------>d
9) Which of the following is a living fossil?
a) pinus
b) cycas
c) metasequoia
d) ephedra
Ans------>b
10) Pollination in gymnosperm is
a) ornithophily
b) malacophily
c) zoophily
d) anemophily
Ans------>d
11) Siphonogamy in gymnosperm
a) eliminates the dependency on water
b) is a primitive charater
c) protect gamates
d) is a kind of fertilization
Ans------>a
12) Christmas or monkey puzzle tree is
a) Pinus
b) Cycas
c) Araucaria
d) Metasequoia
Ans------>c
13) In gymnosperm the archegonia lacks
a) neck canal cell
b) ventral canal cell
c) neck cells
d) none of the above
Ans------>a
14) In the seed of gymnosperm the gametophytic generation is
represented by
a) perisperm
b) testa
c) embryo
d) endosperm
Ans------>d
15) Sago palm is the common name of
a) Cycas revolute
b) Pinus roxberghii
c) Pinus wallichiana
d) Coconut
Ans------>a
16) Wings of pollen grains of Pinus are the outgrowth of
a) intine
b) exine
c) exo intine
d) sporangial wall
Ans------>c
17) The gymnosperm does not have
a) trees
b) shrubs
c) lianas
d) herbs
Ans------>d
18) The resin duct in Pinus stem represent
a) lysingenous cavity
b) compound vacuoles
c) schizogenous cavity
d) intercellular space
Ans------>c
19) Resin and turpentine are obtained from the wood of
a) conifers
b) cycads
c) ferns
d) none of the above
Ans------>a
20) In which of the following plants male gamete are motile and
pollination is siphonogamous?
a) pinus
b) cedrus
c) citrus
d) cycas
Ans------>d
21) The lifecycle in Pinus is
a) diplontic
b) haplodiplontic
c) haplontic
d) diplobiontic
Ans------>b
22) Male cone of Pinus is made up of
a) anthers
b) megasporphylls
c) ligules
d) microsporophylls
Ans------>d
23) Which of the following helps to minimize the transpiration rate in conifers?
a) needle like leaves
b) sunken stomata
c) thick cuticle
d) all of the above
Ans------>d
24) In pinus , vascular bundle are
a) collateral and open
b) bicollateral and open
c) collateral and closed
d) concentric
Ans------>a
25) Pollen grain are able to withstand extreme of temperature
and dessication because their exine is composed of
a) cution
b) suberin
c) sporopollenin
d) callose
Ans------>c
26) The number of ovules in ovuliferous scale in pinus is
a) one
b) three
c) four
d) two
Ans------>d
27) Vascular bundle in cycas stem is
a) conjoint
b) collateral and closed
c) conjoint and collateral and open
d) conjoint and collateral and closed
Ans------>c
28) Germination in cycas is
a) epigeal
b) hypogeal
c) both a and b
d) none
Ans------>b
30) In gymnosperm the seeds are naked because they lack
a) integument
b) nucellus
c) wood fibres
d) wood parenchymas
Ans------>c
31) Male gamete is largest and visible to naked eyes in
a) cycas
b) pinus
c) gnetum
d) ginkgo
Ans------>a
32) The edible part of pinus seed is
a) pericarp
b) female gametophyte
c) diploid perisperm
d) endosperm
Ans------>b
33) The wood of cycas is
a) monoxylic and manoxylic
b) monoxylic
c) manoxylic and polyxylic
d) diploxylic
Ans------>c
34) Antherozoid of cycas are
a) multiciliated
b) non flagellated
c) triflagellated
d) biflagellated
Ans------>a
35) The number of neck canal cell in archegonium of cycas is
a) one
b) four
c) six
d) none of the above
Ans------>d
36) In cycas and pinus the pollen grain shed at ……. And ……..
celled stage.
a) one and two
b) four and three
c) three and four
d) three and two
Ans------>c
37) Total number of needles in Pinus roxberghii and Pinus
wallichiana is
a) three and five
b) five and three
c) two and five
d) two and six
Ans------>a
39) Megasporophyll in cycas are arranged as
a) compact male cone
b) compact female cone
c) loose male cone
d) loose female cone
Ans------>d
40) The green leaves of cycas plant is
a) palmately compound
b) bipinnately compound
c) unipinnately compound
d) decompounds
Ans------>c
41) Megasporophyll of gymnosperm is
a) carpel
b) corolla
c) stamen
d) female cone
Ans------>a