11th class (FSc) Biology Unit 9 MCQs
76. Sugar is obtained from the juice of:
a. Sorghum vulgare
b. Oryzan sativa
c. Saccharum officinarum
d. Hordium vulgare
77. Pyrus ( pear) belongs to the family:
a. Solanaceae
b. Rosacceae
c. Fabaceae
d. Poaceae
78. Microspores of seed plants that contain micro gametophyte including gametes is called:
a. Pollen grain
b. Seed
c. Flower
d. Ovule
79. Cassia fistula belongs to family:
a. Caesalpiniaceae
b. Caesalpiniaceae
c. Rosaceae
d. Poaceae
80. The term lodicule refers to:
a. Perianth
b. Bract
c. Calyx
d. Bracteoles
81. The leaves of cassia alata are used to cure:
a. Cough and cold
b. Snake bite
c. Ring worms
d. Cough and fever
82. A haploid spermatozoid fuses with haploid egg to produce diploid:
a. Spore
b. Oospore
c. Gamete
d. Oosphere
83. The part of flower which develops in to fruit is:
a. Ovary wall
b. Seed
c. Ovule wall
d. Flower
84. The megasporophylls bearing ovules are not folded and joined at the margins to form an ovary:
a. Dichotyledoae
b. Filicineae
c. Gymnospermae
d. Monocotyledonae
85. The reproductive organ of sporophyte is:
a. Anthridium
b. Sporangium
c. Archegonium
d. Sporangium
86. The megaspore develops into female gametophyte of angiosperm, which consists of:
a. 7 cells
b. 8 cells
c. 3 cells
d. 2 cells
87. An ovule is an integumented indehiscent:
a. Embryo sac
b. Megasporangium
c. Seed
d. Microsporangium
88. Which one of the following is called Sago Palm?
a. Cedrus
b. Pinus
c. Picea
d. Cycas
89. Fern gametophyte is found in/on:
a. Sorus
b. Soil
c. Rhizome
d. Saprophyte
90. Teriticum is a member of:
a. Rosaceae
b. Poaceae
c. Febaceae
d. Solanaceae
91. A flower is modified:
a. Leaf
b. Stem
c. Root
d. Shoot
92. All seed producing plants are called:
a. Spermatophytes
b. Bryophytes
c. None of them
d. Anthrophytes
93. Technically a seed may be defined as a fertilized:
a. Egg
b. Oospore
c. Ovule
d. Both a & c
94. After fertilization ……… is changed into a seed:
a. Ovule
b. Fruit
c. Ovary
d. Flower
95. Which of the following is a modified leaf?
a. Tendril
b. Thorn
c. Flower
d. Both b & c
96. Endosperm of angiosperm is:
a. 3 N
b. 1 N
c. 4 N
d. 2 N
97. Name the class that contain seedless plants:
a. Gymnosperm
b. Angiosperm
c. Filicinae
d. Paraphysis
98. Which of the following does not belong to angiosperm family?
a. Poaceae
b. Picea
c. Febceae
d. Rosaceae
99. Female gametophyte in flowering plants is:
a. Seed
b. Ovary
c. Embryo sac
d. Archegonium
100. The part of flower which develops into fruit is:
a. Ovule wall
b. Flower
c. Ovary
d. Seed