101. The word angiosperm means:
Answer: B. enclosed seed
Biology Class 11 Unit 8: Plantae MCQs
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102. The reproductive structure of angiosperms is the:
Answer: C. flower
103. After fertilization the ovary develops into the:
Answer: B. fruit
104. The outermost whorl of a flower is the:
Answer: C. calyx
105. The petals together form the:
Answer: B. corolla
106. The male reproductive whorl is the:
Answer: C. androecium
107. The female reproductive whorl is the:
Answer: D. gynoecium
108. The accessory whorls of a flower are:
Answer: B. calyx and corolla
109. The necessary whorls of the flower are:
Answer: A. androecium and gynoecium
110. Each stamen consists of a filament and a:
Answer: C. bilobed anther
111. Each anther lobe contains how many pollen sacs (microsporangia)?
Answer: B. Two in each lobe, four in total
112. The female part consists of ovary, style and:
Answer: B. stigma
113. The stalk of a flower is called:
Answer: B. pedicel
114. Pollen grains are formed from microspore mother cells by:
Answer: B. meiosis
115. A pollen grain contains the tube nucleus and the:
Answer: B. generative nucleus which divides into two sperm nuclei
116. The tube nucleus is responsible for forming the:
Answer: B. pollen tube
117. The functional megaspore in angiosperm undergoes how many mitotic divisions?
Answer: C. Three, resulting in 8 nuclei
118. The embryo sac typically has how many nuclei?
Answer: C. Eight
119. The egg is flanked by two:
Answer: C. synergids
120. The three nuclei at the end opposite the egg apparatus are the:
Answer: B. antipodals
121. The two nuclei in the centre of the embryo sac are the:
Answer: C. polar nuclei
122. Double fertilization is found in:
Answer: D. angiosperms
123. In double fertilization one sperm fuses with the egg to form the:
Answer: B. zygote (2n)
124. The other sperm fuses with the polar nuclei to form the:
Answer: C. triploid endosperm (3n)
125. The endosperm in angiosperms is:
Answer: C. triploid
126. The integuments of the ovule develop into the:
Answer: C. seed coat (testa and tegmen)
127. The ovary wall develops into:
Answer: C. fruit wall
128. The two subclasses of angiosperms are:
Answer: B. dicotyledonae and monocotyledonae
129. Dicot leaves have:
Answer: B. reticulate venation
130. Monocot leaves have:
Answer: B. parallel venation
131. Vascular bundles are scattered in the:
Answer: B. monocot stem
132. Vascular cambium is present in:
Answer: B. dicot stem
133. A monocot has how many cotyledons?
Answer: B. One
134. Monocots typically have a:
Answer: B. fibrous root system
135. Dicot flowers are usually:
Answer: B. tetra or pentamerous
136. Monocot flowers are usually:
Answer: B. trimerous (parts in threes)
137. Which is a monocot?
Answer: C. Lily
138. Which is a dicot?
Answer: D. Rose
139. Xylem patches in the dicot root are:
Answer: B. 2 to 8
140. Secondary growth occurs in:
Answer: B. dicot stems and roots
141. The Brassicaceae was previously called:
Answer: B. Cruciferae
142. Brassicaceae is also known as the:
Answer: C. mustard or cabbage family
143. Brassicaceae flowers have:
Answer: B. four petals in a cross-like (cruciform) arrangement
144. The characteristic fruit of Brassicaceae is the:
Answer: C. silique
145. Many members of Brassicaceae produce pungent:
Answer: B. glucosinolates
146. Which is a mustard used for oil extraction?
Answer: B. Brassica campestris
147. Raphanus sativus is:
Answer: C. radish
148. Capsella bursa-pastoris is a:
Answer: B. common weed of medicinal value
149. Iberis amara (candytuft) and wallflower in this family are grown as:
Answer: B. ornamentals
150. The Solanaceae is also called the:
Answer: C. potato or nightshade family
About Biology Class 11 Unit 8 MCQs (Federal Board)
These 201 Biology MCQs cover Class 11 Unit 8: Plantae of the Federal Board (FBISE) HSSC-I (1st Year / Class 11) syllabus. They are SLO-based MCQs as per the new pattern for FBISE exams. Each question has four options and the correct answer is shown, so you can practise for the annual examination and find the topics you still need to revise. The questions are split over 5 pages of 50. Use the Print button to save this chapter as a PDF.