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This section includes 210 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
101. |
During spring, seasonal leaves from the branch of tree are fallen due to |
A. | Because duration of day decrease |
B. | Decrease in atmospheric temperature |
C. | Decrease in atmospheric pressure |
D. | Formation of separating layer |
Answer» E. | |
102. |
Potato tuber is not a modified root because |
A. | It is oval or sherical in shape |
B. | It is protacted by corky skin |
C. | It bears spirally arranged eyes which represent nodes |
D. | It stores starch as reserve food material |
Answer» D. It stores starch as reserve food material | |
103. |
Velamen present in orchid plant |
A. | For providing support |
B. | For the absorption of moisture from air |
C. | For the assimilation of Carbohydrate |
D. | For the exchange of gases |
Answer» C. For the assimilation of Carbohydrate | |
104. |
Pneumatophores are found in |
A. | Hydrilla |
B. | Phizophora |
C. | Water chestnut |
D. | Salvinia |
Answer» C. Water chestnut | |
105. |
The plant dye henna imparts orangered colour to skin and hairs due to its reaction with which of the following |
A. | Protein and amino acids |
B. | Lipids |
C. | Carbohydrates |
D. | Amino acids |
Answer» B. Lipids | |
106. |
Vivipary mean |
A. | Development of seed after fertilization |
B. | Germination of seed the stem |
C. | Germination of seed in fruit attached to parent plant |
D. | Organisation of many seed |
Answer» D. Organisation of many seed | |
107. |
Fertilization is a process in which |
A. | A male gamete fuse with egg cell |
B. | Transfer of pollen grains nuclei |
C. | Fusion of male gamete with polar |
D. | Formation of seed from ovule |
Answer» B. Transfer of pollen grains nuclei | |
108. |
Which of the following roots contain nitrogen fixing bacteria? |
A. | Assimilatory roots |
B. | Nodulated root |
C. | Naphiform root |
D. | Tuberous root |
Answer» C. Naphiform root | |
109. |
Why do you feel coal under a tree but not so under a tin shed on a sunny day |
A. | The greenneess of the tree gives the coal feeling |
B. | Photosynthesis absorbs heat |
C. | The leaves convert water vapour into water which is a heat absorbing process. |
D. | The leaves gives out water which vaporises absorbing some heat as latent heat. |
Answer» E. | |
110. |
Consider the following statements
|
A. | 1 Only |
B. | 2 Only |
C. | Both 1 and 2 |
D. | neither 1 and 2 |
Answer» C. Both 1 and 2 | |
111. |
A Complete flower has |
A. | Androcieum and gynecium |
B. | Sepal and Petal |
C. | Both (a) and (b) |
D. | Androcium, gynecium and petal |
Answer» D. Androcium, gynecium and petal | |
112. |
Seed Which disperse through air |
A. | Dark in colour |
B. | Lighter in Weight |
C. | Heavy in weight |
D. | Round in shape |
Answer» C. Heavy in weight | |
113. |
The outermost whorl of |
A. | Bract |
B. | Epicalyx |
C. | Sepal |
D. | Petals |
Answer» B. Epicalyx | |
114. |
Which one of the following parts of the |
A. | Stem |
B. | Leaf |
C. | Stipule |
D. | Petioles |
Answer» C. Stipule | |
115. |
Which one of the following plant is preferred for |
A. | Wheat |
B. | Gram |
C. | Maize |
D. | Barley |
Answer» C. Maize | |
116. |
Which one of the following types of plants produces |
A. | Gymnosperms |
B. | Pteridophytes |
C. | Bryophytes |
D. | Angiosperms |
Answer» C. Bryophytes | |
117. |
Hypogeal germination |
A. | Pumpkin |
B. | Maize |
C. | Rhizophora |
D. | Beans |
Answer» C. Rhizophora | |
118. |
Most important food is produced in the form of |
A. | Root |
B. | Stem |
C. | Fruit |
D. | Leaf |
Answer» D. Leaf | |
119. |
Which is a modification of tap root? |
A. | Prop root |
B. | Stilt root |
C. | Pneumatophores |
D. | Assimilatory roots |
Answer» D. Assimilatory roots | |
120. |
Edible part of coconut |
A. | Pericarp |
B. | Endosperm |
C. | Seed coat |
D. | Complete seed |
Answer» C. Seed coat | |
121. |
Parthanogenesis |
A. | Grapes |
B. | Lichi |
C. | Apple |
D. | Mango |
Answer» B. Lichi | |
122. |
Transfer of pollengrain |
A. | Thalmus |
B. | Pollination |
C. | Fertilization |
D. | Germination |
Answer» C. Fertilization | |
123. |
Viviparity |
A. | Pineapple |
B. | Rhizophora |
C. | Rhizobium |
D. | Rhizoclonicum |
Answer» C. Rhizobium | |
124. |
Tap root commonly |
A. | Dicotyledons |
B. | Monocotyledons |
C. | Angiosperm |
D. | Grass |
Answer» B. Monocotyledons | |
125. |
Which one of the following is a fruit ? |
A. | Potato |
B. | Onion |
C. | Garlic |
D. | Chilly |
Answer» E. | |
126. |
Soft drinks such as |
A. | Caffein |
B. | Nicotine |
C. | Tannin |
D. | Renin |
Answer» B. Nicotine | |
127. |
Embryo |
A. | Flower |
B. | leaves |
C. | Seeds |
D. | Buds |
E. | .. |
Answer» D. Buds | |
128. |
The gas used for |
A. | Ether |
B. | Ammonia |
C. | Acetylene |
D. | Ethylene |
Answer» E. | |
129. |
Water is conducted in |
A. | Phloem tissue |
B. | Parenchyma tissue |
C. | Meristems |
D. | Xylem tissue |
Answer» E. | |
130. |
A plant that |
A. | Monoflory |
B. | Monocarpic |
C. | Polycarpic |
D. | Multicarpic |
Answer» C. Polycarpic | |
131. |
Plant which grow in |
A. | Xerophytes |
B. | Hydrophytes |
C. | Halophytes |
D. | Succulents |
Answer» D. Succulents | |
132. |
Fruit |
A. | Potato |
B. | Carrot |
C. | Pea-nut |
D. | Onion |
Answer» D. Onion | |
133. |
Edible part of Lichi |
A. | Fleshy Thaimus |
B. | Aril |
C. | Mesocarp |
D. | Cotyledon |
Answer» C. Mesocarp | |
134. |
Respiratory roots |
A. | Betel |
B. | Chestnut |
C. | Maiz |
D. | Rhizophora |
Answer» E. | |
135. |
Vegetative propagation |
A. | Banana |
B. | Sugarcane |
C. | Mango |
D. | Cotton |
Answer» C. Mango | |
136. |
Pollination takes |
A. | Zoophily |
B. | Anemophily |
C. | Entomphily |
D. | Malcophily |
Answer» E. | |
137. |
Bulb |
A. | Root |
B. | Stem |
C. | Leaf base |
D. | Petioles |
Answer» D. Petioles | |
138. |
Eye of potato |
A. | Apical buds |
B. | Axillary buds |
C. | Adventitious root |
D. | Extra axillary bud |
Answer» C. Adventitious root | |
139. |
The edible |
A. | Tunic |
B. | Reduced stem |
C. | Fleshy scales |
D. | Base of in floresence |
Answer» D. Base of in floresence | |
140. |
Development of fruit |
A. | Parthenogenesis |
B. | Parthenocarpy |
C. | Apomixis |
D. | Apogamy |
Answer» C. Apomixis | |
141. |
Hair |
A. | Seed hairs |
B. | Modified hairs of bract |
C. | Stigma |
D. | Style |
Answer» E. | |
142. |
Seed developes |
A. | Gynecium |
B. | Ovule |
C. | Ovary |
D. | Pollen grain |
Answer» C. Ovary | |
143. |
Plant which does not |
A. | Orchides |
B. | Gymnosperm |
C. | Angiosperm |
D. | Crytogamus |
Answer» C. Angiosperm | |
144. |
Coconut and mango grouped |
A. | Pome |
B. | Bery |
C. | Drup |
D. | Pepo |
Answer» D. Pepo | |
145. |
Edible part of Apple |
A. | Pericarp |
B. | Mesocarp |
C. | Endocarp |
D. | Fleshy thalmus |
Answer» E. | |
146. |
Grain of rice |
A. | Seed |
B. | Monocotylednous fruit |
C. | Dicotylednous fruit |
D. | Endosperm |
Answer» C. Dicotylednous fruit | |
147. |
Which of the following is grown in field by their plantlet |
A. | Maiz |
B. | Sorgum |
C. | Onion |
D. | Soyabean |
Answer» D. Soyabean | |
148. |
Which plant will lose its economic value if its fruits are produced by |
A. | Grapes |
B. | Pomegranate |
C. | Orange |
D. | Banana |
Answer» C. Orange | |
149. |
Pollen grain |
A. | Empryo |
B. | Male gametophyte |
C. | Spore mother cell |
D. | Female gametophyte |
Answer» C. Spore mother cell | |
150. |
Part of plant which is important for the |
A. | Fruit |
B. | Bud |
C. | Flower |
D. | Stem |
Answer» D. Stem | |