MCQOPTIONS
Saved Bookmarks
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.
| 3201. |
Which animals have developed capacity of regeneration ? |
| A. | Hydra, Starfish |
| B. | Plasmodium |
| C. | Earthworm |
| D. | Spongilla |
| Answer» B. Plasmodium | |
| 3202. |
Which part of the plant bryophyllum performs vegetative reproduction ? |
| A. | Stem |
| B. | Floral buds |
| C. | Underground roots |
| D. | Buds on life margin |
| Answer» E. | |
| 3203. |
How many chromosomes are there in meiocyte of Apple ? |
| A. | 17 |
| B. | 34 |
| C. | 20 |
| D. | 10 |
| Answer» B. 34 | |
| 3204. |
What are ciliated spore ? |
| A. | Non-motile spore |
| B. | Zoospores |
| C. | Homospores |
| D. | Heterospores |
| Answer» C. Homospores | |
| 3205. |
In which method pseudopodiospores are formed ? |
| A. | Binary fission |
| B. | Multiple fission |
| C. | Sporulation |
| D. | Budding |
| Answer» D. Budding | |
| 3206. |
During which process cyst is formed ? |
| A. | Binary fission |
| B. | Multiple fission |
| C. | Sporulation |
| D. | Budding |
| Answer» D. Budding | |
| 3207. |
Which physiological process is necessary for birth, growth, death, production of offspring and forcontinuity of the species ? |
| A. | Digestion |
| B. | Transportation |
| C. | Reproduction |
| D. | Nutrition |
| Answer» D. Nutrition | |
| 3208. |
Devlopment of zygote taking place outside the body is called ? |
| A. | Viviparou |
| B. | Oviporous |
| C. | Omnivorous |
| D. | Frugivorous |
| Answer» C. Omnivorous | |
| 3209. |
Which animals reproduce by exogenous budding ? |
| A. | Hydra |
| B. | Spongilla |
| C. | Plasmodium |
| D. | Amoeba |
| Answer» B. Spongilla | |
| 3210. |
In which animal conjugation occurs as a sexual reproduction ? |
| A. | Bird |
| B. | Hydra |
| C. | Paramoecium |
| D. | Spirogyra |
| Answer» D. Spirogyra | |
| 3211. |
In which organism other than amoeba,sporulation is seen ? |
| A. | Paramoecium |
| B. | Plasmodium |
| C. | Hydra |
| D. | Planaria |
| Answer» C. Hydra | |
| 3212. |
Which of the following is not a natural method of vegetative reproduction ? |
| A. | Sucker |
| B. | Cutting |
| C. | Runners |
| D. | Offsets |
| Answer» C. Runners | |
| 3213. |
Which plant reproduce vegetatively by roots ? |
| A. | Oxali |
| B. | Bryophyllum |
| C. | Onion |
| D. | Dahlia |
| Answer» E. | |
| 3214. |
Which plant performs vegetative reproduction with the help of floral buds ? |
| A. | Agave |
| B. | Bryophyllum |
| C. | Ginger |
| D. | Asparagus |
| Answer» B. Bryophyllum | |
| 3215. |
Which animal reproduce by multiple fission ? |
| A. | Hydra |
| B. | Plasmodium |
| C. | Spongilla |
| D. | Euglena |
| Answer» C. Spongilla | |
| 3216. |
What types of chromosomes are always present in gametes ? |
| A. | Haploid |
| B. | Diploid |
| C. | Triploid |
| D. | Tetraploid |
| Answer» B. Diploid | |
| 3217. |
In which metohd of asexual reproduction the division of cytoplasm is not possible ? |
| A. | Amitotic division |
| B. | Binary fission |
| C. | Division |
| D. | Budding |
| Answer» B. Binary fission | |
| 3218. |
In which type of reproduction single parent is essential for reproduction ? |
| A. | Asexual |
| B. | Sexual |
| C. | Vegetative |
| D. | Fragmentation |
| Answer» B. Sexual | |
| 3219. |
Which statment is improper for honey ? |
| A. | (1), (3), (4), (5) |
| B. | (1), (3) |
| C. | (1), (3), (5) |
| D. | (2), (4) |
| Answer» E. | |
| 3220. |
Match proper option in colum 1 & 2. |
| A. | (P - ii)(Q - iv)(R - i)(S - iii)(T - v) |
| B. | (P - iv)(Q - i)(R - v)(S - ii)(T - iii) |
| C. | (P - v)(Q - i)(R - ii)(S - iii)(T - iv) |
| D. | (P - i)(Q - ii)(R - iii)(S - iv)(T - v) |
| Answer» C. (P - v)(Q - i)(R - ii)(S - iii)(T - iv) | |
| 3221. |
How does Amoeba reproduce ? |
| A. | Binary fission |
| B. | Budding |
| C. | Sporulation |
| D. | Both a and c |
| Answer» E. | |
| 3222. |
In which type of organism asexual reproduction is seen ? |
| A. | Unicellular |
| B. | Bicellular |
| C. | Multicellular |
| D. | Both a and c |
| Answer» E. | |
| 3223. |
Assertation (A) In herbaria new varieties are developed through tissue culture, cloning, grafting and hybridization Reason (R) Herbarium provides necessary information for verifying and identifying newly collected plant specimens |
| A. | A and R both are true and R is correct explanation of R |
| B. | A and R both are true and R is not correct explanation of A |
| C. | If A is true and R is wrong |
| D. | If A is wrong and R is true |
| Answer» E. | |
| 3224. |
Which technique is used by Mendel for hybridization ? |
| A. | Emasculation |
| B. | Bagging |
| C. | Protoplast fusion |
| D. | Both A & B |
| E. | cessive |
| Answer» B. Bagging | |
| 3225. |
Which is the example of intraspecific competition for food ? |
| A. | Barnacle on rocks of the submerged water |
| B. | Two female dogs and two male dogs |
| C. | Various types of lichens |
| D. | Paramaecium caudatuns and P.aurelia in laboratory. |
| Answer» C. Various types of lichens | |
| 3226. |
X is source of y. but y never return to x, Than which option is wrong for x and y. |
| A. | X = plant, Y= organic compound |
| B. | X= sun, Y=Energy |
| C. | a & b Both are correct. |
| D. | A and B are Wrong. |
| Answer» E. | |
| 3227. |
which organism provided useable phosphate from dead organisms? |
| A. | Fungi, Bacteria |
| B. | Fungi , Algae |
| C. | Bacteria, Algae |
| D. | Bacteria, Fungi |
| Answer» E. | |
| 3228. |
It helps in absorbtion of phosphorous ? |
| A. | Leave |
| B. | Mycorriza |
| C. | Root |
| D. | Stem |
| Answer» C. Root | |
| 3229. |
If earth is considered a unit region then it can be compared to.... |
| A. | Eco-System |
| B. | Population |
| C. | Biotic Community |
| D. | Species |
| Answer» B. Population | |
| 3230. |
At which vital index population is stable ? |
| A. | 1 |
| B. | 0 |
| C. | Infinitive |
| D. | 100 |
| Answer» E. | |
| 3231. |
What does given chart indicate ? |
| A. | Structure of ecosystem. |
| B. | Type of ecosystem |
| C. | First and second law of Thermodynamics |
| D. | - Bidirerectional flow of energy. |
| Answer» D. - Bidirerectional flow of energy. | |
| 3232. |
What does pyramid of Bimass of an ecosystem indicate in.... |
| A. | Number of species in each trophic level |
| B. | Number of organisms in each trophic level |
| C. | Organisation of tissue of each tophic level |
| D. | All of the given. |
| Answer» D. All of the given. | |
| 3233. |
The functional efficiency of ecosystem is effected when decomposers are removed from it, because.. |
| A. | Energy flow will stop |
| B. | Rest components decomposetion will become faster |
| C. | Herbivous will not get sun light |
| D. | Flow of nutrient will stop. |
| Answer» E. | |
| 3234. |
At Each trophic level, in which form energy is lost ? |
| A. | Heat |
| B. | Chemical |
| C. | Light |
| D. | None |
| Answer» B. Chemical | |
| 3235. |
Which option is correct for the given information ?_ans_key_(1) Ecosystem is an outcome of an interaction between all living components and non- living components of Environment._ans_key_(2) GPP= NPP- loss due to respiration_ans_key_(3) Primary productivity is measured in dry biomass. |
| A. | TFT |
| B. | FFT |
| C. | FTF |
| D. | TTF. |
| Answer» E. | |
| 3236. |
Who accepts the nutrient released in environment by docomposer ? |
| A. | Consumer |
| B. | Producers |
| C. | Secondary Consumers |
| D. | None of the given |
| Answer» C. Secondary Consumers | |
| 3237. |
In one forest maximum 500 lions can be allowed with than what does 500 indicate ? |
| A. | Maximum birth rate |
| B. | Population of lion |
| C. | Carrying Capacity of Population |
| D. | Realed birth rate |
| Answer» D. Realed birth rate | |
| 3238. |
What percentage of total metabolic energy is produced through fermentation of lactic acid ? |
| A. | 80% |
| B. | 70% |
| C. | 100% |
| D. | 40% |
| Answer» C. 100% | |
| 3239. |
From which of the following detritus food chain will start ? |
| A. | Algae |
| B. | Bacteria |
| C. | Protozoa |
| D. | Virus |
| Answer» C. Protozoa | |
| 3240. |
If herbivores are "5" in number in the given food chain then, what will be the total number of trophic layers in the it ? |
| A. | 7 |
| B. | 8 |
| C. | 5 |
| D. | can not be predicted |
| Answer» E. | |
| 3241. |
How many times do we breathe per day ? |
| A. | 20,000 |
| B. | 40,000 |
| C. | 20,000 |
| D. | None of theme |
| Answer» B. 40,000 | |
| 3242. |
In a day, How many times an individual inspire and expire (breathing) ? |
| A. | 10,000 |
| B. | 20,000 |
| C. | 40,000 |
| D. | 50,000 |
| Answer» D. 50,000 | |
| 3243. |
Few statements are given below in reference with Thermodynamics, Which of the following option shows all correct statements for it ?_ans_key_(I) Amount of energy is constant._ans_key_(II) During transfer of energy some amount of energy is converted in to heat._ans_key_(III) Free energy = energy which can do work._ans_key_(IV) At each tophic level amount of stored energy reduces. |
| A. | (I) and(II) |
| B. | (III) and (iv) |
| C. | (i) and (iv) |
| D. | All of the given |
| Answer» E. | |
| 3244. |
What is incorrect for oxygen ? |
| A. | Most of the metabolic energy is produced by it. |
| B. | Plants are included in the organisms producing it. |
| C. | It is essential for all the organisms. |
| D. | Its proportion in water is 90%. |
| Answer» D. Its proportion in water is 90%. | |
| 3245. |
X is released in Halophytes and Y is source of it, , Z process occurs in- estuary, then What does x,y,z indicate? |
| A. | X- Potassium Y - rocks Z- Biological magnification |
| B. | X - DDT Y - Water Y- Biological magnification |
| C. | X -Phosphorus Y - Sewage water Z- Eutophication |
| D. | None of this. |
| Answer» D. None of this. | |
| 3246. |
If energy produced by producer is 1000 units, than What amount of energy will be found in highest level of consumer ? |
| A. | 100 |
| B. | 10 |
| C. | 1 |
| D. | 1000 |
| Answer» D. 1000 | |
| 3247. |
It is first stem of the decomposition of organic compound. |
| A. | Fragmentation - In body of Scavengers |
| B. | Catabolism - In body of decomposer |
| C. | Leaching - In soil |
| D. | Catabolism - In soil |
| Answer» B. Catabolism - In body of decomposer | |
| 3248. |
Assertion (A) Taxon and category are same.Reason (R) Category shows hierarchical classification. |
| A. | A and R both are correct and R is a correct explanation of A |
| B. | A and R both are correct and R is not a correct explanation of A |
| C. | A is true and R is false |
| D. | A is false but R is true |
| Answer» E. | |
| 3249. |
Assertion (A) To give a scientific name of a plant there is ICBN Reason.(R) they have articles, photographs and recommendation to name a plant (PMT-2000) |
| A. | A and R both is correct and R is correct explanation to A |
| B. | A is true but R is false |
| C. | A and R both correct but R is not correct explanation to A |
| D. | both are false |
| Answer» B. A is true but R is false | |
| 3250. |
Assertion (A) Binomial nomenclature method is given by Linnaeus.Reason (R) Linnaeus is known as father of taxonomy. |
| A. | A and R both are true and R is a correct explanation of A |
| B. | A and R both are true and R is not a correct explanation of A |
| C. | A is true and R is wrong |
| D. | A is wrong and R is true |
| Answer» C. A is true and R is wrong | |