Sexual Reproduction In Flowering Plants
307 Questions
Start Errorless Test
AIIMS 1994
Q201
Errorless
9. Self Evaluation Test
MCQ
Plasmogamy refers to
A.
The fusion of two haploid hyphae with simultaneous nuclear fusion
B.
The fusion of two haploid hyphae without simultaneous nuclear fusion
C.
Fusion of egg cell with sperm
D.
Fusion of sperm with polar nuclei
MP PMT 1994
Q202
Errorless
9. Self Evaluation Test
MCQ
A plant raised from a single germinating pollen grain under cultural conditions is called a
A.
Haploid plant
B.
Diploid plant
C.
Tetraploid plant
D.
Polyploid plant
AIIMS 1994
Q203
Errorless
10. Assertion and Reason
MCQ
Assertion: Angiospermic flowers perform the function of sexual reproduction.
Reason: The male and female reproductive structures are found in the flowers. [NCERT Pg. No. 4]
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.
CBSE PMT 1993; RPMT 2002
Q204
Errorless
1. Microsporogenesis
MCQ
The pollen grain is
A.
An immature male gametophyte
B.
A mature male gametophyte
C.
Partially developed male gametophyte
D.
Last stage of male gametophyte
AIIMS 1993; RPMT 1995; CBSE PMT 1995; AFMC 1999
Q205
Errorless
1. Microsporogenesis
MCQ
How many meiotic divisions are necessary to produce 100 pollen grains
A.
100
B.
25
C.
50
D.
20
AIIMS 1993
Q206
Errorless
1. Microsporogenesis
MCQ
Which part of the reproductive structure produces both enzymes and hormones
A.
Archegonium
B.
Middle layer
C.
Tapetum
D.
Endothecium
MP PMT 1993; CBSE PMT 1993; BVP 2003
Q207
Errorless
1. Microsporogenesis
MCQ
The anther wall consists of four wall layers where
A.
Endothecium lies inner to middle layers
B.
Tapetum lies just inner to endothecium
C.
Tapetum lies next to epidermis
D.
Middle layers lie between endothecium and tapetum
CPMT 1993, 2009; Pb. PMT 2004
Q208
Errorless
2. Megasporogenesis
MCQ
The hilum and micropyle lie side by side very close to each other in
A.
Anatropous ovule
B.
Campylotropous ovule
C.
Amphitropous ovule
D.
Circinotropous ovule
AFMC 1993; CPMT 1995; MP PMT 1996; AIIMS 2009; AMU (Med.) 2010
Q209
Errorless
2. Megasporogenesis
MCQ
Perisperm is
A.
Degenerate part of synergids
B.
Peripheral part of endosperm
C.
Degenerate part of secondary nucleus
D.
Remnant of nucellus
CPMT 1993, 95, 99; CBSE PMT (Pre.) 2011; AIPMT 2015
Q210
Errorless
2. Megasporogenesis
MCQ
Filiform apparatus is found in which part of angiosperms [NCERT Pg. No. 17]
A.
Sperm
B.
Antipodal
C.
Egg
D.
Synergid
AFMC 1993, 2009; MHCET 2000; Odisha JEE 2010; DUMET 2010
Q211
Errorless
2. Megasporogenesis
MCQ
Egg apparatus of angiosperm consists of
A.
One egg cell and two synergids
B.
One egg cell 2 synergids 3 antipodals
C.
3 antipodals only
D.
Secondary nucleus and egg cell
1993
Q212
Errorless
3. Pollination
MCQ
Match the following [CPMT 1993, 98; MP PMT 2000; KCET 2004; [CPMT 1993, 98; MP PMT 2000; KCET 2004; MH CET 2005; HP PMT 2005; AMU (Med.) 2006; MH CET 2005; HP PMT 2005; AMU (Med.) 2006;
| Column-I | Column-II | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
A.
A-R, B-Q, C-P, D-S
B.
A-P, B-Q, C-R, D-S
C.
A-S, B-P, C-Q, D-R
D.
A-S, B-Q, C-P, D-R
E.
A-S, B-Q, C-R, D-P
JIPMER 1993
Q213
Errorless
3. Pollination
MCQ
In plants, in nature, autogamy is avoided since the seeds produced
A.
Are fewer in number
B.
Do not germinate successfully
C.
Do not produce healthy plants
D.
All the above
BHU 1993
Q214
Errorless
3. Pollination
MCQ
In sausage tree (Kigelia africana) the pollination takes place by
A.
Birds
B.
Bats
C.
Wind
D.
Insects
CBSE PMT 1993; AIIMS 2000
Q215
Errorless
4. Fertilization
MCQ
Female gametophyte of a typical dicot at the time of fertilization is
A.
8 celled
B.
7 celled
C.
6 celled
D.
4 celled
NCERT; CPMT 1993, 96, 99; RPMT 1995; MP PMT 1999; BHU 2003; Odisha JEE 2012
Q216
Errorless
4. Fertilization
MCQ
Double fertilization was discovered by
A.
Karl Schnarf
B.
P. Maheshwari
C.
S.G. Nawaschin
D.
B.G.L. Swamy
CPMT 1993, 94; Bihar CECE 1995; BHU 1999, 2000, 08; Kerala CET 2003; MP PMT 2004; NEET 2017
Q217
Errorless
4. Fertilization
MCQ
Double fertilization is a characteristic of
A.
Gymnosperms
B.
Bryophytes
C.
Angiosperms
D.
Pteridophytes
DPMT 1993
Q218
Errorless
4. Fertilization
MCQ
Fertilization of egg takes place inside
A.
Anther
B.
Stigma
C.
Pollen tube
D.
Embryo sac
DPMT 1993; AFMC 1996
Q219
Errorless
4. Fertilization
MCQ
Fusion of two dissimilar gametes is called
A.
Fertilization
B.
Pollination
C.
Self pollination
D.
Self fertilization
CPMT 1993; AFMC 2002
Q220
Errorless
4. Fertilization
MCQ
A pollen tube grows down the style because
A.
It helps in fertilization
B.
It takes nutrients from the style
C.
Filiform apparatus of synergids attracts the pollen tube
D.
Of chemical attraction
CPMT 1993, 94
Q221
Errorless
5. Embryo and endosperm
MCQ
Which one is an example of triploid tissue
A.
Onion root
B.
Fern prothallus
C.
Maize and lily endosperm
D.
None of the above
AIIMS 1993; MP PMT 2013
Q222
Errorless
5. Embryo and endosperm
MCQ
Nucellar embryo is
A.
Apomictic embryo
B.
Amphimictic haploid
C.
Adventitive embryony
D.
Amphimictic diploid
DPMT 1993; AMU (Med.) 2010
Q223
Errorless
5. Embryo and endosperm
MCQ
Dicot embryo consists of
A.
Radicle and plumule
B.
Radicle, plumule, cotyledons and sometimes endosperm
C.
Radicle, plumule, cotyledons and tegmen
D.
Radicle, plumule, cotyledons, tegmen and testa
AIIMS 1993
Q224
Errorless
5. Embryo and endosperm
MCQ
Triploid plants can be obtained from culture of
A.
Pollen
B.
Endosperm
C.
Ovule
D.
Megaspore
AIIMS 1993
Q225
Errorless
5. Embryo and endosperm
MCQ
The sequence of development of embryo sac is
A.
Archesporium → megaspore mother cell → megaspore → embryo sac
B.
Archesporium → megaspore → megaspore mother cell → embryo sac
C.
Archesporium → megaspore → megasporophyte → embryo sac
D.
None of the above