Sexual Reproduction In Plants

Question 1

Father of embryology

Answer 1

CF Wolf

Question 2

Father of Indian plant embryology

Answer 2

Prof. P. Maheshwari

Question 3

Father of Indian plant embryology

Answer 3

Prof. P. Maheshwari

Question 4

Typical angiosperm

Answer 4

Capsella
2N
sporophyte
heterosporous

Question 5

dianthus & silene plant

Answer 5

anthophore (corolla & calyx)

Question 6

dianthus & silene plant

Answer 6

anthophore (corolla & calyx)

Question 7

1. passiflora

2. capris

Answer 7

1. androphore

2. gynophore

Question 8

Gynandropis pentaphyla

cleome gynandris

Answer 8

Gyandrophore

androgynophore

Question 9

pollen grain - (a)

stamen -(b)

Answer 9

a. microphyte

b. microsporophyll

Question 10

embryos sac - a.

pistil - b.

Answer 10

a. megaphyte

b. megasporophyll

Question 11

mussaendra sepal

Answer 11

yellow advertising flags

Question 12

Apomixies & amphimixes given by

Answer 12

Winkler

Question 13

Anther is ___lobed
____thecous
____sporangiate

Answer 13

bilobed
dit he coups
tetrasporangiate

Question 14

epicarpous anther

Answer 14

Solanaceae

Question 15

Endothecium , middle Layer , tapetum made by

Answer 15

Parietal cell (towards periphery)

Question 16

Stomium

Answer 16

callose fiborous layer is absent (endo)

Question 17

Layer which helps in dehiscence of anther

Answer 17

Endothecium

Question 18

Middle layer have which type of cells

Answer 18

Parenchymous

Question 19

Tapetum is polyploid & multinucleated due to

Answer 19

Endomitosis & free nuclear division respectively

Question 20

Enzyme callase

Answer 20

tapetum

separate microspore tetrads

Question 21

ubisch body

Answer 21

proubisch body + sporopollenin

Question 22

Archaesporial cell is ___________ in origin

Answer 22

hypodermal

Question 23

Procambial cell

Answer 23

connective

Question 24

division of archaesporial cell for anther development is

Answer 24

periclinal

Question 25

Give example for following tetrads 1. tetrahedral 2. Isobilateral 3. decussate 4. T shaped 5. linear

Answer 25

1. dicots 2. monocots 3. mognolia 4. butomopsis 5. aristolochia

Question 26

Translated apparatus

Answer 26

Corpusculum caudical (reticuli) polpinium (milk wheat i.e. calatropis)

Question 27

largest pollen grain

Answer 27

mirabilis

Question 28

smallest pollen grain

Answer 28

myostsis

Question 29

longest pollen grain

Answer 29

zostera

Question 30

cryopreservation

Answer 30

pollen grain -196° liq. nitrogen

Question 31

Hormone which helps in flowering in s.a.m

Answer 31

florigen (hypothetical hormone)

Question 32

8 nucleated pollen grain

Answer 32

NEMEC PHENOMENA

Question 33

longest styles

Answer 33

Maize