Angiosperms Quiz | Angiosperms Objective Type Questions and Answers

Questions
21 Which of the following is not concerning pollination?
A Syngamy
B Autogamy
C Allogamy
D Geitonogamy

Answer: Syngamy
22 Bulb is a modification of
A root
B stem
C radicle
D plumule

Answer: stem

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23 Monocot pollengrains are generally
A Monocoplate
B Bicolpate
C Tricolpate
D Multicolpate

Answer: Monocoplate
24 Exine of pollen-grain is made up of
A Sporopollenin
B Cellulo-pectin
C Callose
D Cellulose

Answer: Sporopollenin
25 Ovule is
A Megasporangium
B Microsporangium
C Integumented megasporangium
D Megaspore

Answer: Integumented megasporangium
26 The tenuinucellate ovule has
A Small amount of nucellus
B Large amount of nucellus
C Chalazal nucellus
D MIcropyle nucllus

Answer: Small amount of nucellus
27 The point at which funicle is attached to body of ovule
A Raphe
B Hilum
C Endothelium
D None Of The Above

Answer: Hilum
28 A typical angiospermic embryo sac is susally
A One celled
B Two celled
C Three celled
D Seven celled

Answer: Seven celled
29 Continued self poll ination results in
A Better progeny
B Weak progeny
C New varieties
D Both (A) and (C)

Answer: Weak progeny
30 Cleistogamous flowers are always
A Insect pollinated
B Wind pollinated
C Cross pollinated
D Self pollinated

Answer: Self pollinated
31 Flowers are small and unattractive in
A Entomophily
B Ornithophily
C Anemophily
D All of these

Answer: Anemophily
32 When birds are agents, the pollination is
A Anemophily
B Entomophily
C Ornithophily
D Hydrophily

Answer: Ornithophily
33 Endosperm is generally
A Haploid
B Diploid
C Triploid
D Polyploid

Answer: Triploid
34 Free nuclear divisions occurs in
A Cellular endosperm
B Nuclear endosperm
C Helobial endosperm
D Both (B) and (C)

Answer: Both (B) and (C)
35 Suspensor formed during development of dicot embryo is
A 2-3 celled
B 3-4 celled
C 5-6 celled
D 6-10 celled

Answer: 6-10 celled
36 The first cell of suspensor towards micropyle which absorbs food material is
A Hypophysis
B Haustoria
C Radicle
D None of the above

Answer: Haustoria
37 Helobial type of endosperm is seen in
A Asphodelus
B Common in order Helobiales
C Petunia
D Both (A) and (B)

Answer: Both (A) and (B)
38 Embryo axis is also called as
A Tegman
B Tiller
C Tigellum
D Scutellum

Answer: Tigellum
39 The first node indicates point of attachment of ----- to embryo axis
A Plumule
B Radicle
C Cotyledons
D None of these

Answer: Cotyledons
40 Suspensor is a component of
A Germinating seed
B Developing embryo
C Mature embryo
D Endosperm

Answer: Endosperm
ADRE 3.0 Complete Study Material