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Question No:1

Flowers convey important human feelings such as

(A) Love and affection
(B) Happiness and grief All of the above
(C) Mourning
(D) All of the above



Question No:2

Flowers are considered as object of

(A) Aesthetic value
(B) Ornamental value
(C) Religious and cultural value
(D) All of the above



Question No:3

Biologist consider flower to be objects of

(A) Morphological marvels
(B) Embryological marvels
(C) Sites of sexual reproduction
(D) All of the above



Question No:4

When does plant decides to flower?

(A) In embryonic development
(B) When flower bud appears
(C) Before the actual flower appear on plant
(D) All are correct



Question No:5

The initiation and development of floral primordium takes place by

(A) Only by hormonal changes in plant
(B) Only structural changes in plant
(C) Changes in seasonal variation
(D) Both by hormonal and structural changes in plant



Question No:6

The initiation and development of floral primordium takes place by

(A) Only by hormonal changes in plant
(B) Only structural changes in plant
(C) Changes in seasonal variation
(D) Both by hormonal and structural changes in plant



Question No:7

Whorl of stamens in flower represents

(A) Gynoecium
(B) Androecium
(C) Calyx
(D) Corolla



Question No:8

Whorl of carpel in flower represents

(A) Gynoecium
(B) Androecium
(C) Calyx
(D) Corolla



Question No:9

Whorl of petals in flower represents

(A) Gynoecium
(B) Androecium
(C) Calyx
(D) Corolla



Question No:10

Whorl of sepals in flower represents

(A) Androecium
(B) Gynoecium
(C) Calyx
(D) Corolla



Question No:11

Stamens consist of the following parts

(A) Filament
(B) Style, stigma
(C) Anther
(D) Both (a) and (c)



Question No:12

The number and length of stamens in flowers are

(A) Variable in different species
(B) Same in plants present in similar climatic condition
(C) Variable and depend on the amount of hormonal secretion
(D) Variable in different species and depend on the seasonal variation



Question No:13

Typical angiosperm anther is

(A) Unilobed and dithecous
(B) Bilobed and dithecous
(C) May be both (a) and (b)
(D) Bilobed and tetrathecous



Question No:14

The anther in transverse section appears to be

(A) Diagonal
(B) Tetragonal
(C) Unilobed
(D) Mosaic



Question No:15

Tetragonal anther consist of

(A) One microsporangia
(B) Two microsporangia
(C) Three microsporangia
(D) Four microsporangia



Question No:16

How many microsporangia are there in each lobe of anther?

(A) One microsporangia
(B) Two microsporangia
(C) Three microsporangia
(D) Four microsporangia



Question No:17

Pollen sacs develop from

(A) Microspore
(B) Microspore mother cell
(C) Microsporangium
(D) Megaspore



Question No:18

Typical microsporangium appear _____ in transverse section,

(A) Wavy
(B) Circular
(C) Oval
(D) Irregular



Question No:19

Which one amongst the given perform the function of protection in typical microsporangium?
(A) Epidermis
(B) Endothecium
(C) Tapetum
(D) Middle layer

(A) A and B
(B) A and C
(C) A and D
(D) A, B and D



Question No:20

Which of the following layer of microsporangium provide nourishment to the developing anther?

(A) Middle layers
(B) Tapetum
(C) Endothecium
(D) Epidermis



Question No:21

Outer three layers of microsporangium, perform the function of

(A) Protection to developing pollen
(B) Provide nourishment to developing pollen
(C) Help in dehiscence of anther to release pollen
(D) Both (a) and (c)



Question No:22

The microsporangium cells which posses dense cytoplasm and have more than one nucleus is the characteristic of

(A) Middle layers
(B) Tapetum
(C) Endothecium
(D) Epidermis



Question No:23

In young anther the tissue occupying the centre of each microsporangium is called

(A) Megaspore mother cell
(B) Sporogenous tissue
(C) Parietal tissue
(D) None of the above



Question No:24

Arrange the following layers of microsporangium from inside to Outside
(A) Endothecium
(B) Middle layer
(C) Tapetum
(D) Epidermis

(A) A, B, C, D
(B) B,A, C, D
(C) D, C,B,A
(D) C,B,A,D



Question No:25

Sporogenous tissue of microsporangia is

(A) Groups of compactly arrange homogenous cells
(B) Occupies the centre of microsporangium
(C) Present inside young anther
(D) All are correct