MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
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 statements1. Vascular system is absent2. Reproductive organ are multicellular Which of the following statements given above is /are correct |
| 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 | |