MCQOPTIONS
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MCQOPTIONS
This section includes 5751 Mcqs, each offering curated multiple-choice questions to sharpen your Biology knowledge and support exam preparation. Choose a topic below to get started.
| 1201. |
Which type of relation is found in between richness of species and variety of phylum ? |
| A. | Hyperbola |
| B. | Circular hyperbola |
| C. | Rectangular hyperbola |
| D. | Reciprocal |
| Answer» D. Reciprocal | |
| 1202. |
Which information is correct for our country ? |
| A. | India is one of the twelve mega biodiversity countries of the world. |
| B. | India comprises 2.4% biodiversity of world. |
| C. | India contains more than 7 % plant species of wor |
| Answer» B. India comprises 2.4% biodiversity of world. | |
| 1203. |
Which scientist has classified species diversity ? |
| A. | Thoeprestu |
| B. | Lineus |
| C. | Whittaker |
| D. | Treshaw |
| Answer» D. Treshaw | |
| 1204. |
Where the knowledge of biodiversity is applicable ? |
| A. | To study, classification of animals and plant |
| B. | To study, Ecosystem |
| C. | To study, Biogeological region |
| D. | all the given |
| Answer» E. | |
| 1205. |
How many biosphere reserves are present in India ? |
| A. | 41 |
| B. | 34 |
| C. | 14 |
| D. | 43 |
| Answer» D. 43 | |
| 1206. |
Which is the right sequence for Ecological diversity ? |
| A. | Biomes habitat Ecosystem population |
| B. | Biomes Ecosystem habitat niches |
| C. | Biomes Ecosystem population niches |
| D. | Biomes habitat niches Ecosystem |
| Answer» C. Biomes Ecosystem population niches | |
| 1207. |
Which is the right option for the tallest and the smallest Gymnosperm plant ? |
| A. | Eucalyptus and Zamia pygmea |
| B. | Wolffia globosa and Eucalyptus |
| C. | Sequoia sempervirens and Zamia pygmea |
| D. | Sequoia sempervirens and Wolffia globosa |
| Answer» D. Sequoia sempervirens and Wolffia globosa | |
| 1208. |
Which one is odd for species diversity ? |
| A. | diversity |
| B. | diversity |
| C. | diversity |
| D. | diversity |
| Answer» E. | |
| 1209. |
Which is the correct option. |
| A. | There is chance in Natural selection in evolution process due to alpha biodiversity |
| B. | There is chance in Natural selection in process of evolution due to genetic diversity |
| C. | There is chance in Natural selection in process of evolution due to Ecosystem biodiversity |
| D. | There is chance in Natural selection in process of due to biocommunity diversity |
| Answer» C. There is chance in Natural selection in process of evolution due to Ecosystem biodiversity | |
| 1210. |
In which region of South America maximum species of birds can be found ? |
| A. | Equador |
| B. | Brazil |
| C. | Colombia |
| D. | Peru |
| Answer» D. Peru | |
| 1211. |
How many protected areas are present in India ? |
| A. | 89 |
| B. | 581 |
| C. | 492 |
| D. | 34 |
| Answer» C. 492 | |
| 1212. |
Which algae reproduce by fragmentation ? |
| A. | Ulothrix, Oedogonium |
| B. | Spirogyra, Zygnema |
| C. | Sargasum, Oscillatoria |
| D. | Both a and b |
| Answer» E. | |
| 1213. |
By which asexual reproductive method do Dictyota, Fucus and Yeast reproduces ? |
| A. | Budding |
| B. | Sporulation |
| C. | Fragmentation |
| D. | Fission |
| Answer» B. Sporulation | |
| 1214. |
Which is the right option for national animal and bird of India ? |
| A. | Peacock & Lion |
| B. | Flamingo & Tiger |
| C. | Peacock & Tiger |
| D. | Flamingo & Lion |
| Answer» D. Flamingo & Lion | |
| 1215. |
In which plants motile ciliated spores are produced during spore formation ? |
| A. | Chlamydomona |
| B. | Spirogyra |
| C. | Dictyota |
| D. | Fucus |
| Answer» B. Spirogyra | |
| 1216. |
Morphologically distinct gametes are called as |
| A. | Isogamete |
| B. | Heterogametes |
| C. | Gametes |
| D. | Iso-spores |
| Answer» C. Gametes | |
| 1217. |
By which medium gametes of Algae, Bryophytes and Pteridophytes move ? |
| A. | Air |
| B. | Water |
| C. | Lipids |
| D. | Tissue |
| Answer» C. Lipids | |
| 1218. |
The process oforgan formation start of................ . |
| A. | Due to growth |
| B. | Due to development |
| C. | Due to differentiation |
| D. | Due to division |
| Answer» D. Due to division | |
| 1219. |
In Angiosperms which part of the flowers attached with plant body. |
| A. | Calyx |
| B. | Carolla |
| C. | Gynoecium |
| D. | Androecium |
| Answer» D. Androecium | |
| 1220. |
Where do pollen grains germinate ? |
| A. | Anther |
| B. | Style |
| C. | Stigma |
| D. | Pollen tube |
| Answer» D. Pollen tube | |
| 1221. |
In asexual reproduction embryosac develop from which part ? |
| A. | Pollengrain |
| B. | Ovum |
| C. | Ovary |
| D. | Mother megaspore |
| Answer» E. | |
| 1222. |
The fertilized eggs of reptile and birds are covered with calcareous shell. Due to this the zygotepasses from which phase ? |
| A. | Growth phase |
| B. | Vegetative phase |
| C. | Development phase |
| D. | Incubation phase |
| Answer» E. | |
| 1223. |
Which one is the best ? |
| A. | Stock |
| B. | Scion |
| C. | Cutting |
| D. | All a, b, c |
| Answer» E. | |
| 1224. |
In Angiosperms, which parts of the flowers wither and fall off ? |
| A. | Sepal |
| B. | Petals |
| C. | Stamens |
| D. | All the three |
| Answer» E. | |
| 1225. |
The process of transfer of pollen grains from the anther to the stigma is known as ...... . |
| A. | Distribution of pollen grain |
| B. | Transportation of pollen grains |
| C. | Formation of pollen grains |
| D. | Pollination |
| Answer» E. | |
| 1226. |
Which type of vegetetive reproduction occurs in Grape and Hibiscus ? |
| A. | Cutting |
| B. | Layering |
| C. | By seed |
| D. | Grafting |
| Answer» C. By seed | |
| 1227. |
Find out mismatched from the following. |
| A. | Lawn grass-runner |
| B. | Mango-Grafting |
| C. | Lemon-by embryo grafting |
| D. | Bamboo-Grafting |
| Answer» E. | |
| 1228. |
In which organ the growth of pollen tube is observed, till it reaches the ovules ? |
| A. | Pollen tube |
| B. | Style |
| C. | Ovary |
| D. | Stigma |
| Answer» C. Ovary | |
| 1229. |
Normally male gametes are..... . |
| A. | Stationary |
| B. | Ordinary |
| C. | Nutritive |
| D. | Motile |
| Answer» E. | |
| 1230. |
In amorphophalus and colocasia vegetetive reproduction occur by which plant organ ? |
| A. | Tuber stem |
| B. | Bubil |
| C. | Corm |
| D. | Offsets |
| Answer» D. Offsets | |
| 1231. |
In which plants isogametes are seen? |
| A. | Cladophora |
| B. | Ulothrix |
| C. | Spirogyra |
| D. | Both a and b |
| Answer» E. | |
| 1232. |
Two gametes having similar appearance are called as..... |
| A. | Gamete |
| B. | Isogametes |
| C. | Heterogametes |
| D. | Isospores |
| Answer» C. Heterogametes | |
| 1233. |
Which structare is produced by germination of pollen grain ? |
| A. | Pollen tube |
| B. | Style |
| C. | Tube |
| D. | Vessels |
| Answer» B. Style | |
| 1234. |
Devlopment of zygote result in formation of............... . |
| A. | Seed |
| B. | Fruit |
| C. | Embryo |
| D. | Seed coat |
| Answer» D. Seed coat | |
| 1235. |
During conjugation, the-bridge is formed of........... . |
| A. | Nucleu |
| B. | Inter cytoplasm |
| C. | Chromosomes |
| D. | Cytoplasm |
| Answer» E. | |
| 1236. |
What is the eye of potato ? |
| A. | Root |
| B. | Stem |
| C. | Bud |
| D. | Flower |
| Answer» D. Flower | |
| 1237. |
Which asexual reproduction process is seen in bacteria? |
| A. | Budding |
| B. | Sporulation |
| C. | Fragmentation |
| D. | Fission |
| Answer» E. | |
| 1238. |
In which method of asexual reproduction the offspring's are genetically identical,to the parents ? |
| A. | Amitotic division |
| B. | Multiple fission |
| C. | Division |
| D. | Binary fission |
| Answer» E. | |
| 1239. |
Normally Female gametes are.... . |
| A. | Stationary |
| B. | Ordinary |
| C. | Nutritive |
| D. | Motile |
| Answer» B. Ordinary | |
| 1240. |
What divides first during the method of fission ? |
| A. | Cytoplasmic membrane |
| B. | Cytoplasm |
| C. | Nucleus |
| D. | Cell organelles |
| Answer» D. Cell organelles | |
| 1241. |
Which structure provides surface for the settlement of pollen grains in angiosperm plants ? |
| A. | Anther |
| B. | Style |
| C. | Stigma |
| D. | Pollen tube |
| Answer» D. Pollen tube | |
| 1242. |
Which organisms have diploid body organization? |
| A. | Pteridophytes, angiosperm |
| B. | Angiosperms |
| C. | Most of the animals |
| D. | All three |
| Answer» E. | |
| 1243. |
In which of the following organism, internal bud formation is seen ? |
| A. | Amoeba, Plasmodium |
| B. | Amoeba, Paramecium |
| C. | Planaria, Hydra |
| D. | Spongilla, sycon |
| Answer» E. | |
| 1244. |
The plants which bears only one kind of spores during Sporophytic, stage are known as ........ |
| A. | Spore |
| B. | Heterosporous |
| C. | Homosporous |
| D. | Gametes |
| Answer» D. Gametes | |
| 1245. |
Which of the following group of animals show regeneration ? |
| A. | Planaria, Hydra, Starfish |
| B. | Starfish, Amoeba, Plasmodium |
| C. | Amoeba, Hydra, Paramoecium |
| D. | Amoeba, Planaria, Starfish |
| Answer» B. Starfish, Amoeba, Plasmodium | |
| 1246. |
Which phase of conjugation is impossible in gametes ? |
| A. | Post-fertilization phase |
| B. | Fertilization phase |
| C. | Pre-fertilization phase |
| D. | Gamete phase |
| Answer» E. | |
| 1247. |
Non-motile and non-flagellate spores are commonly seen in which plants ? |
| A. | Penicillium |
| B. | Aspergillus |
| C. | Mucor |
| D. | Both a and b |
| Answer» E. | |
| 1248. |
Which type of division happens in Euglena ? |
| A. | Transversal |
| B. | Longitudinal |
| C. | Peripheral |
| D. | Radial |
| Answer» C. Peripheral | |
| 1249. |
The plants which bears only two types of hetero spores during Sporophytic stage is known as......... |
| A. | Spore |
| B. | Somatic spores |
| C. | Homosporous |
| D. | Heterosporous |
| Answer» E. | |
| 1250. |
Which gametes take part in sexual reproduction ? |
| A. | Male gamete |
| B. | Female gametes |
| C. | Neutral gametes |
| D. | Both a and b |
| Answer» E. | |