horticulture Mcqs
101. In date palm male spathes enclose how many flowers_______________?
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A. 9000

B. 10000

C. 30000

D. 20000

102. Cultivation of grapes is called___________________?
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A. Viticulture

B. Ciltriculture

C. Orcharding

D. Pomology

103. Degeneration and death of aerial plant parts is called___________________?
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A. Senescence

B. Partial Senescence

C. Maturity

D. Both a & b

104. Poncirus sweet orange is the hybrid cross of_________________?
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A. All the above

B. Citranges

C. Tangelos

D. Limequats

105. How many crop of potato are sown annually_________________?
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A. 3

B. 2

C. 4

D. 1

106. Small new plants which grow out from the parent and can be separated as independent plant is called_____________________?
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A. Suckers

B. Offset

C. Seeding

D. Division

107. What is stump ______________?
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A. Seeding

B. None of the above

C. Shoot cutting

D. Tree cutting

108. A form of controlled atmosphere storage in which the produce is stored in a partial vacuum is called_________________?
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A. Modified storage

B. Ca storage

C. Hypo baric storage

D. Gas storage

109. major source of sugar in world is________________?
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A. Beet roots

B. Dates

C. Watermelons

D. Sugar cane

110. When the corolla has four clawed petals inserted at right angle other is said to be_____________________?
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A. Tubular

B. Rosaceous

C. Cruciform

D. Papilliaci

111. Citrus orchards are usually planted in___________________?
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A. Quineunx system

B. Rectangular system

C. Square system

D. None of the above

112. Air layering is also known as_________________?
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A. Cross match

B. Marcpottage

C. Ghooti

D. All the above

113. The practice of raising trees is called__________________?
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A. Agro forestry

B. Forestry

C. Sericulture

D. range forestry

114. How much area in Pakistan is under horticultural crops ___________________?
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A. 6%

B. 3%

C. 25%

D. 10%

115. Tropical and subtropical fruits have the highest level of___________________?
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A. Maltose and starch

B. Glucose and fructose

C. None of the above

D. Cellulose and lactose

116. Cleft grafting is most successful in_________________?
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A. Almond

B. Apple

C. Both a & b

D. None of the above

117. Citrus belongs to the___________________?
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A. Announaceae

B. All the above

C. Citrea

D. Rutaceae
118. Citrus tree can tolerate soil pH_________________?
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A. None of the above

B. 5.5-7.5

C. 5.5-8.5

D. 6-May

119. First intergeneric hybrid between radish and cabbage was made by_______________________?
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A. Jones (1917)

B. Fray (1966)

C. Muller (1927)

D. Karpehenko (1927)
120. Removal any terminal part of the plant is called___________________?
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A. Thinning out

B. Pruning

C. Heading back

D. Training

121. According to national commission of Pakistan, post harvest losses in fruits are____________________?
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A. 20-25%

B. 20-40%

C. 60-70%

D. 30-50%

122. Rooting of shoots, stems or branches while they are still attached to the parents is called__________________?
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A. Budding

B. Ground Layering

C. Layering

D. Division

123. According to national commission of Pakistan, post harvest losses in fruits are_________________?
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A. 30-50%

B. 20-25%

C. 20-40%

D. 60-70%

124. A woody plant with a climbing growth habit is called_____________________?
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A. Vine

B. Liana

C. Shoot

D. Stem

125. Phoenix dactylifera belongs to the family___________________?
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A. Palmeae

B. Anacardiaceae

C. Rutaceae

D. Pomaceae

126. An atmosphere with reduced concentration of O2 and increased concentration of CO2 is called_______________?
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A. Oxidation

B. Humidity control

C. Controlled atmosphere

D. Refrigeration

127. Tomato, chilly brinjal are collectively called__________________?
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A. Cole crop

B. Leafy vegetables

C. Solanaceous crop

D. Bulb crop

128. Highly specialized plants which reproduced by seeds are called__________________?
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A. Angiosperm

B. Bryophytes

C. Zerophytes

D. Gymnosperm

129. Green vegetables are source of _______________ ?
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A. Biotin

B. Carbohydrates

C. vitamin

D. folate
130. A paranchy matous outgrowth in the inner wall of the ovary to which the ovules are attached is called___________________?
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A. Placenta

B. Cambium

C. Ovule

D. Ovary

131. A flower having many pistils on same receptacle develop____________________?
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A. All the above

B. Multiple fruit

C. Stone fruit

D. Aggregate fruit
132. The optimum temperature for warm season crop is ___________________?
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A. 25-35C

B. 20-25C

C. 10-20C

D. 18-24C

133. In seed formation the outer integument of the ovule shrinks and forms the seed coat, is called as_________________?
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A. Axil

B. Tesla

C. Seed coat

D. Tag men

134. Which one of the following horticultural plants is well known for its cooling effect _______________________?
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A. All the above

B. Jaman

C. Falsa

D. Sweet lime

135. The edible part of orange is_______________________?
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A. Unicelled endocarpie hair

B. Unicelled placental hair

C. Multicelled endocarpic hair

D. Multicelled placental hair

136. System for planting banana suckers followed in Sindh is __________________?
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A. Rectangular

B. Square

C. Diagonal

D. Hexagonal

137. Photosynthesis takes place in_____________________?
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A. Only leaves

B. Only flowers and fruits

C. none

D. All green parts of plants

138. Anacardiaceous is the family of_________________?
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A. Ber

B. Mango

C. Citrus

D. Cauli flower

139. Chillies belongs to family___________________?
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A. Solanaceae

B. Piperaceae

C. Libitatae

D. Lauraceae

140. Commercial production of fruits is known as_____________________?
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A. Pomology

B. Olericulture

C. Orchading

D. Horticulture

141. Which type of development takes place in the female part of the ovule______________________?
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A. Microsporogenesis

B. Tapetium

C. Megasporogenesis

D. Gametogenesis

142. A process off converting light energy into useful chemical energy_________________?
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A. Conversion

B. Photoperiodism

C. Photosynthesis

D. Transpiration

143. chemicals which induce leaf fall are called____________________?
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A. Herbicides

B. Fungicides

C. Growth regulators

D. Defoliant
144. Removing of certain shoots, cones, spurs from the base of plant is called_________________?
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A. Thinning out

B. Training

C. Heading back

D. Pruning

145. Mango propagation is more successful by_______________________?
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A. Grafting

B. T-budding

C. Shield budding

D. Cutting

146. Absence of chlorophyll in the plant is known as_____________________?
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A. Albinism

B. Acrodsome

C. None of the above

D. Agoun

147. Crossed between mandarin and grape fruit make________________________?
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A. None of the above

B. Citrange

C. Tangelos

D. Limequate

148. Direct effect of pollen grains on the female tissues of the ovary is called__________________?
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A. Pollination

B. Metaxenia

C. None of the above

D. Xenia

149. Which among the following does not possess cotyledons__________________?
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A. Castor

B. Coconut

C. Cuscuta

D. Carrot
150. Which one of the following is fruit__________________?
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A. Cauliflower

B. Potato

C. Brinjal

D. Ginger