Srfp

Question 1

Define flowering plants

Answer 1

Flowers are morphological and embryological marvels and site of sexual reproduction

Question 2

Angiosperm

Answer 2

Flowering plants

Question 3

Sex organ of plant

Answer 3

Flower

Question 4

Formation of gamete known as

Answer 4

Gametogenesis

Question 5

Gamete transfer in plant known as

Answer 5

Pollination

Question 6

Gamete fusion known as

Answer 6

Fertilization

Question 7

Flower arised from which meristem

Answer 7

Shoot

Question 8

How many whorls in flower

Answer 8

4

Question 9

Name them

Answer 9

Androecium, gynoecium, corolla, calyx

Question 10

Basic unit of gynoecium

Answer 10

Carpel or pistil

Question 11

Basuc unit of androecium

Answer 11

Stamen

Question 12

Basic unit of corolla

Answer 12

Petal

Question 13

Basic unit of calyx

Answer 13

Sepal

Question 14

Why calyx and corolla known as non essential whorl

Answer 14

They are not directly involved in sexual reproduction

Question 15

Part of stamen

Answer 15

Anther and filament

Question 16

How many lobes of anther

Answer 16

2

Question 17

Total theca

Answer 17

4

Question 18

Term for 4 microsporangia

Answer 18

Tetrasporangiate

Question 19

Stalk of flower

Answer 19

Pedicle

Question 20

No of anther wall layer

Answer 20

4

Question 21

Name them

Answer 21

Epidermis, endothecium, middle layer, tapetum

Question 22

Who provide nutrition to developing tissue

Answer 22

Tapetum

Question 23

Who helps in dehiscence of anther

Answer 23

Endothecium

Question 24

Ploidy of microspore mother cell

Answer 24

2n

Question 25

Each sporogenous cell is a potential pollen True or false

Answer 25

True

Question 26

Define microsporogenesis

Answer 26

The process of formation of microspres from apollen mother cell through meiosis

Question 27

Male gametophyte

Answer 27

Pollen grain

Question 28

Outer and inner wall

Answer 28

Exine , intine

Question 29

Exibe is made up of

Answer 29

Sporopollenin

Question 30

Why is exine not continues

Answer 30

Due to presence of germ pore

Question 31

What does germ pore do

Answer 31

Lead to development of pollen tube

Question 32

Why is sporopollenin most resistant organic material?

Answer 32

It can withstand high temp, strong acid and alkali Therefore, provide protection to pollen grain and can be preserved in form of fossils (fossilization)

Question 33

Intine is made of

Answer 33

Pectin and cellulose

Question 34

Pollen grain divide into 2 cell name them

Answer 34

Vegetative and generative

Question 35

Which cell has irregular shaped nucleus

Answer 35

Vegetative

Question 36

The centre for pollen storage is

Answer 36

Pollen bank

Question 37

example of plant causing allergy

Answer 37

parthenium/carrot grass, amaranthus, chenopodium

Question 38

pant having 30 min of pollen viability

Answer 38

rice, wheat

Question 39

plant having several months of pollen viability

Answer 39

leguminosae, rosacea, solanacea

Question 40

define cryopreservation

Answer 40

storage of pollen grains for years in liquid N2 (-196 C) for later use in plant breeding programmes

Question 41

example of apocarpus

Answer 41

michelia, lotus, rose

Question 42

example of syncarpus

Answer 42

papaver, china rose

Question 43

true or false can ovules number vary

Answer 43

true

Question 44

protective covering of ovule

Answer 44

integuments

Question 45

point of junction between ovule and funicle

Answer 45

hilum

Question 46

stalk by which ovule is attatched to placenta

Answer 46

funicle

Question 47

define megasporogenesis

Answer 47

the process of formation of megaspores from megaspore mother cell

Question 48

explain monosporic development

Answer 48

when only one megaspore is functional and divides to form female gametophyte (embryo sac)

Question 49

cellular thickenings which help in guiding tube

Answer 49

filliform apparatus

Question 50

most common type of ovule is

Answer 50

anatropus ovule

Question 51

define pollination

Answer 51

transfer of pollen grains from anther to stigma

Question 52

name types of pollination

Answer 52

self pollination ( autogamy and geitonogamy) and cross pollination

Question 53

most common biotic agent is

Answer 53

pollination by insects (entemophily)

Question 54

what is wind pollination known as

Answer 54

anemophily

Question 55

what is water pollination known as

Answer 55

hydrophilly

Question 56

example of water pollination

Answer 56

limited to 30 genera of monocots

Question 57

which is the most common abiotic agent

Answer 57

wind

Question 58

name some floral rewards

Answer 58

pollen nectar safe place for laying eggs

Question 59

example of epihydrophilly

Answer 59

vallisneria

Question 60

pollination below surface of water known as

Answer 60

hypohydrophilly

Question 61

example of hypohydrophilly

Answer 61

zoostera

Question 62

shape of pollen of zoostera

Answer 62

ribbon like

Question 63

example of wind pollinated flower

Answer 63

grass family

Question 64

steps of artificial hybridisation

Answer 64

emasculation bagging debagging rebagging

Question 65

double fertilisation includes

Answer 65

syngamy and triple fusion

Question 66

example of albuminous seed

Answer 66

wheat, maize, barley (monocot)

Question 66

ex-albuminous seed example

Answer 66

pea, bean, groundnut (dicot)

Question 67

part of seed

Answer 67

seed coat, endosperm, embryo

Question 68

which seed has viability only for months

Answer 68

oxalis

Question 69

plant whose seed viability is for 10,000 years

Answer 69

lupinus arcticus

Question 70

seed viability is 2000 years excavated from king herods palace near dead sea

Answer 70

Phoenix dactylefera (date palm)

Question 71

example of false fruits

Answer 71

apple, cashew, strawberry, pear

Question 72

overy without fertilization from fruit

Answer 72

parthenocarpic fruits

Question 73

fruit which develops from ovary

Answer 73

true fruit

Question 74

parthenocarpic fruit example

Answer 74

grapes, banana

Question 75

formation of seed without fertilisation known as

Answer 75

apomixis

Question 76

when embryo is formed from unfertilized egg known as

Answer 76

parthenogenesis