51. Match the following -
I. Monoecious with drupe A) Date palm
II. Monoecious with pepo B) Papaya
III. Dioecious with berry C) Cucurbits
IV. Dioecious D) Coconut
I II III IV I II III IV
1) A D C B 2) D C B A
3) C D B A 4) D C A B
52. If male and female flowers are produced on different branches of the same plant
it is called-
1) Bisexual 2) Unisexual 3) Dioecious 4) Monoecious
53. Find incorrect match-
1) Monoecious green alga- Chara 2) Dioecious kelp - Marchantia
3) Monoecious monocot - Maize 4) Dioecious angiosperm - Papaya
54. In chara-
A) Male and female sex organs differ in size, shape and position
B) Male sex organ is called antheredium and female sex organ is called archegonium
C) Male and female sex organs are side by side
D) Male sex organ is above and female sex organ is below
1) A B D 2) B C 3) B D 4) A
55. Homothallic fungi, monoecious plants denote-
1) Unisexual condition
2) Bisexual condition
3) Unisexual or Bisexual condition
4) Bisexual condition and rarely Unisexual condition also
56. Heterothallic fungi and dioecious (plants) are the terms used to indicate-
1) Unisexual condition
2) Unisexual or bisexual condition
3) Bisexual condition
4) Unisexual condition but rarely bisexual condition also
57. Match the following-
I. Homogametes A) Ferns
II. Heterogametes B) Rhodophyceae
III. Isogametes C) Cladophora
IV. Spermatia D) Chlamydomonas
I II III IV I II III IV
1) C B A D 2) A D B C
3) D A C B 4) D A B C
58. Heterogametes of Fucus are-
1) Male and female gametes are unequal in size
2) Female gamete is larger and spherical but male gamete is smaller and biflagellated
3) Male gamete is smaller with 2 unequal flagella on lateral side, female gamete is larger and spherical
4) Male and females differ in size & shape. Female gamete has no flagella but male gamete has 2 unequal apical flagella
59. Cladophora produces gametes of-
1) equal size, shape
2) unequal in size and shape
3) equal aplanogametes
4) equal size, shape, number of flagella and their position
60. Read the following statements and find out correct one-
1) Century plant produces flowers only once in its life span of 10-30 years
2) Bamboo produces flowers only once in its life span of 50-100 years
3) Neelakuranji produces flowers once in its 10 years life span
4) The colour of the flowers of strobilanthus is blue
61. An angiospermic stamen has
1) Bilobed anther
2) Each life has 2 pollen sacs
3) Pollen sac is also called microsporangium
4) All
62. Young anther has 4-
1) anthers 2) lobes
3) microsporangia 4) Pollengrains
63. A mature stamen at the time of dehiscence has-
1) 2 microsporangia, 2 stomia 2) 4 microsporagia, 2 stomia
3) 4 microsporangia, 4 stomia 4) 2 microsporangia, 4 stomia
64. The stalk of the stamen is called-
1) Connective 2) Filament 3) Pedical 4) Petiole
65. Number of meiotic divisions in a stamen and ovule respectively-
1) many, many 2) many, one 3) one, one 4) one, many
66. Multi nucleate condition is seen in-
1) Microspore mother cell 2) Stomium
3) Connective 4) Tapetum
67. Nutritive structure of Anther wall-
1) Tapetum 2) Middle layers
3) Endothecium 4) Stomium
68. Protection to the microsporangium is given by-
1) Epidermis 2) Tapetum 3) Middle layers 4) All
69. Dehiscence is helped-
1) Tapetum 2) The layers that give protection
3) Endothecium 4) Epidermis
70. Nutritive tissue is placed between-
1) Endothecium and middle layers 2) Epidermis and middle layers
3) Middle layers and microsporangium
71. The thin region in between the pollen sacs-
1) Stomium 2) Connective 3) Epidermis 4) Middle layers
72. The layer that helps in dehiscence by its capacity to loose water and contract-
1) Epidermis 2) Endothecium 3) Stomium 4) Conective
73. Microsporogenesis involves-
1) Mitosis 2) Amitosis 3) Meiosis 4) 1, 3
74. Find a mismatch-
1) Stamen = Microsporophyll
2) Microspore mother cell = pollen mother cell
3) Microspore = Pollen grain
4) Pollen grain = Male gametophyte
75. Pollen grain measures-
1) 25 - 50 micrometers 2) 25 - 50 A°
3) 25 - 50 microns 4) 25 - 50 mm
Answers:
51-3; 52-4; 53-2; 54-4; 55-2; 56-1; 57-3; 58-3; 59-4; 60-3; 61-4; 62-3; 63-1; 64-2; 65-2; 66-4; 67-1; 68-4; 69-2; 70-3; 71-1; 72-2; 73-3; 74-4; 75-1.
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