SRP (ncert Only)

Question 1

Ex. Of Multicarpellary syncarpous gynoecium

Answer 1

In Papaver

Question 2

Ex. Of multicarpellary apocarpous gynoecium

Answer 2

In Michelia

Question 3

Pollen allergy is caused by

Answer 3

Parthenium aka carrot grass

Came to India as contaminant with imported wheat.

Question 4

Period for which pollen grains remain viable depends on

Answer 4

Prevailing temperature

Humidity

Question 5

Viability period of pollen grains in rice & wheat is

Answer 5

30 minutes

Question 6

Pollen viability is for months , in

Answer 6

Rosacea
Leguminoseae/fabacea (earlier c/d papileonoidae)
Solanaceae

Question 7

Egs of plant having 1 ovule in ovary

Answer 7

Wheat
Paddy
Mango

Question 8

Example of plants having more than 1 ovule in a ovary

Answer 8

Papaya
Watermelon
Orchids

Question 9

Egg apparatus =

Answer 9

2 synergids & 1 egg cell at micropylar end.

Question 10

Plants that produce both cleistogamous as well as chasmogamous flowers are

Answer 10

Commelina
Oxalis
Viola (common pansy)

COV

Question 11

Autogamy occurs in

Answer 11

Commelina
Oxalis
Viola (common pansy)

Question 12

Geitonogamy is seen in

Answer 12

Maize

Castor

Question 13

Xenogamy is seen in

Answer 13

Papaya.

Question 14

______ is functioning cross-pollination but genetically similar to autogamy.

Answer 14

Geitonogamy

Question 15

_____ is the only type of pollination that brings genetically different types of pollen grains.

Answer 15

Xenogammy

Question 16

____ flowers are invariably autogamous (no chance of cross-pollination).

Answer 16

Cleistogamous

Question 17

Characteristics of plants that show Pollination by wind

Answer 17

Light & non-sticky pollen grains 
Well exposed stamens 
Large & feathery stigma
Often single ovule in ovary
Numerous flowers packed into an inflorescence

Question 18

Corn cab shows pollination by

Answer 18

Wind

Question 19

Pollination by water is quite rare, limited to only 30 genera, mostly monocots.
T/F

Answer 19

True .

Though its common in lower grps like algae, bryophytes & pteridophyte.

Question 20

Examples of water pollinated fresh water plants

Answer 20

Vallisneria

Hydrilla

Question 21

Example of water pollinated marine plants

Answer 21

Zostera ( a marine sea grass)

Question 22

In majority of aquatic plants like water hyacinth & water lily pollination occurs by

Answer 22

Insects or wind.

Question 23

In ________ , male flowers reach surface & release pollen grains onto the surface.
In _______, male flowers remain submerged & p/gs are released inside water.

Answer 23

Vellisneria = onto the surface 
Zostera = inside the surface

Question 24

___&___ are usual floral rewards for pollinators.

Answer 24

Nectar

Pollen grains

Question 25

Common insect pollinators are

Answer 25

``` Bats Bees Butterflies Flies Wasps Ants Moths Birds ( hummingbird & sunbirds ) ```

Question 26

Flowers pollinated by ___&____ secrete foul odour to attract animals.

Answer 26

Flies & beetles.

Question 27

Primate like lemur Reptile like gecko lizard & garden lizard Aboreal (tree dwelling) rodents Are also pollinators. T/F

Answer 27

True.

Question 28

Tallest flower is

Answer 28

Amorphophallous ( 6 feet tall)

Question 29

Examples of plant where Reward of pollination is providing safe places to pollinators .

Answer 29

Amorphophallous | Species of moth & yucca

Question 30

Castor & maize are

Answer 30

Monoecious plants (bisexual)

Question 31

Papaya is

Answer 31

Dioecious plant

Question 32

Outbreeding devices include

Answer 32

Asynchronous pollen release & stigma receptivity. Different positions of anther & stigma Self-incompatibility Production of unisexual flowers

Question 33

Porogamy is

Answer 33

Entry if pollen tube through micropylar end.

Question 34

Events from pollen deposition to entry of pollen tube are together referred as

Answer 34

Pollen-pistil interaction

Question 35

No need of emasculation in

Answer 35

Wheat. If parent plant produces unisexual flowers.

Question 36

Central cell after triple fusion becomes

Answer 36

PEC (prima endosperm cell) & develops into endosperm while zygote develops into an embryo.

Question 37

Coconut water is

Answer 37

Free nuclear endosperm (m/o 1000’s of nuclei)

Question 38

Kernel of coconut is

Answer 38

Cellular endosperm

Question 39

Endosperm is completely consumed by developing embryo in

Answer 39

Pea Groundnut Beans Aka exalbuminous seeds Aka non-albuminous seeds

Question 40

Persistent endosperm is found in

Answer 40

Castor Coconut Albuminous seeds

Question 41

Cotyledon in grass family is k/a

Answer 41

Scutellum Embryo of monocots mei scutellum is Situated twrds one side (lateral) of embryonal axis

Question 42

Remains of 2nd cotyledon occur in some grasses c/d

Answer 42

Epiblast

Question 43

Oldest viable seed is of

Answer 43

Lupine ( Lupinus arcticus) excavated from arctic tundra. Seed germinated & flowered after an estimated record of “10K yrs “ of dormancy.

Question 44

2000 yr old yet viable seed is of

Answer 44

Date palm (phoenix dactylifera) Discovered during archeological excavation at King Herod’s palace

Question 45

Examples of Large no. Of seeds in a fruit

Answer 45

Orchid fruits | Some parasitic species like Orobanche & striga

Question 46

Fleshy fruits examples

Answer 46

Guava Orange Mango

Question 47

False fruits

Answer 47

Apple Strawberry Cashew

Question 48

Dry fruits

Answer 48

Groundnut | Mustard

Question 49

Persistent nucellus is called

Answer 49

Perisperm

Question 50

Perisperm exists in

Answer 50

Black pepper & beet

Question 51

Polyembryony is common in

Answer 51

Many citrus & mango

Question 52

Fruit production without fertilisation is called

Answer 52

Parthenocarpy. | Ex. Banana

Question 53

Seed production without fertilisation is called

Answer 53

Apomixis