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.
| 3301. |
Sea anemone bolongs to phylum (BCECE-2005) |
| A. | protozoa |
| B. | porifera |
| C. | coelenterata |
| D. | echinodermata |
| E. | Bufo |
| Answer» D. echinodermata | |
| 3302. |
When any plane passing through the central axis of the body divides the organism in to two identical halves, it is called ________ |
| A. | asymmetrical |
| B. | radial symmetry |
| C. | bilateral symmetry |
| D. | all of the above |
| E. | Bufo |
| Answer» C. bilateral symmetry | |
| 3303. |
Nephridia of Earthworms are performing same functions as (J & K CET-2003) |
| A. | gills of prawn |
| B. | flame cells of planaria |
| C. | trachea of insects |
| D. | nematoblasts of Hydra |
| E. | Bufo |
| Answer» C. trachea of insects | |
| 3304. |
Air sacs is connected to ________ in birds |
| A. | wings |
| B. | Bone |
| C. | lungs |
| D. | limbs |
| E. | Bufo |
| Answer» D. limbs | |
| 3305. |
In which of the following organisms, self fertilization is seen. (CCET-2007) |
| A. | fish |
| B. | Round worm |
| C. | Earthworm |
| D. | Liver fluke |
| E. | Bufo |
| Answer» E. Bufo | |
| 3306. |
The radial symmetry is obscerved in I. Platyhelminthes II. Coelenterates III. Aschelminthes IV. Annelids V. Echinoderms |
| A. | II, III, and V |
| B. | I, II, III, V |
| C. | II, III, I |
| D. | II and V |
| E. | Bufo |
| Answer» D. II and V | |
| 3307. |
In the given diagram, what does ‘A’, ‘B’, ‘C’ represent ? |
| A. | A = Coelomate B = Pseudocoelomate C = Acoelomate |
| B. | A = Coelomate B = Acoelomate C = Pseudocoelomate |
| C. | A = Pseudocoelomate B = Pseudocoelomate C = Acoelomate |
| D. | A = Acoelomate B = Coelomate C = Pseudocoelomate |
| E. | Bufo |
| Answer» B. A = Coelomate B = Acoelomate C = Pseudocoelomate | |
| 3308. |
Mammary gland are found in |
| A. | Aves |
| B. | Mammalia |
| C. | Amphibian |
| D. | Reptilc |
| E. | Bufo |
| Answer» C. Amphibian | |
| 3309. |
In the given diagram, what does ‘A’ represent |
| A. | cavity |
| B. | gut |
| C. | coelom |
| D. | pseud coelom |
| E. | Bufo |
| Answer» D. pseud coelom | |
| 3310. |
Which is correct for birds ? |
| A. | Air sacs |
| B. | Mammary gland |
| C. | tail |
| D. | viviparous |
| E. | Bufo |
| Answer» B. Mammary gland | |
| 3311. |
Which of the following is present on the skin of bird |
| A. | wax gland |
| B. | oilgland |
| C. | Hormonal gland |
| D. | green gland |
| E. | Bufo |
| Answer» C. Hormonal gland | |
| 3312. |
Gizzard is associated with ________ in birds |
| A. | Reproductive system |
| B. | Digestive system |
| C. | circulatory system |
| D. | skeletol system |
| E. | Bufo |
| Answer» C. circulatory system | |
| 3313. |
Classification of sponges is primarily based on the (JCECE-2003) |
| A. | body organization |
| B. | body plan |
| C. | skeleton |
| D. | canal system |
| E. | Bufo |
| Answer» D. canal system | |
| 3314. |
The excretory cells, that are found in platyhelminthes. (J & K CET- 2007) |
| A. | Protonephridia |
| B. | flame cells |
| C. | Solenocytes |
| D. | All of these |
| E. | Bufo |
| Answer» C. Solenocytes | |
| 3315. |
Which one of the following mammalia live in water |
| A. | Bat |
| B. | platypus |
| C. | pat |
| D. | Blue whole |
| E. | Bufo |
| Answer» E. Bufo | |
| 3316. |
Symmetry is cnidaria is (AMW-2009) |
| A. | radial |
| B. | bilateral |
| C. | pentamerous |
| D. | spherical |
| E. | Bufo |
| Answer» B. bilateral | |
| 3317. |
The blood of Aves is |
| A. | warm |
| B. | cold |
| C. | warm and cold |
| D. | semi worm |
| E. | Bufo |
| Answer» B. cold | |
| 3318. |
Which mammalian have adapted to Fly ? |
| A. | Fox |
| B. | penguin |
| C. | ostrich |
| D. | all of the above |
| E. | Bufo |
| Answer» B. penguin | |
| 3319. |
Choose the correct combination for the labelling in the diagram from the given option. |
| A. | A = Endoderm |
| B. | A = Mesoderm B = Mesoderm B = Endoderm C = Ectoderm C = Ectoderm |
| C. | A = Mesoderm |
| D. | A = Endoderm B = Ectoderm B = Ectoderm C = Endoderm C = Mesoderm |
| E. | Bufo |
| Answer» C. A = Mesoderm | |
| 3320. |
The hind limbs are modified for ________ in Aves. |
| A. | walking |
| B. | swimming |
| C. | clasping |
| D. | all of the obove |
| E. | Bufo |
| Answer» E. Bufo | |
| 3321. |
Which is correct for mammalia. |
| A. | A = macropus = kangaroo |
| B. | A = canis = dog B = camelus = cameleon B = fells = cat |
| C. | A = equus = rat |
| D. | A = camelus = cameleon B = leo = lion B = canis = cat |
| E. | Bufo |
| Answer» C. A = equus = rat | |
| 3322. |
Cavity of coolenterates is called (BHU-2008) |
| A. | coelenteron |
| B. | coelom |
| C. | cavity |
| D. | none of these |
| E. | Bufo |
| Answer» B. coelom | |
| 3323. |
Different types of teeth are present in the jaw in ________ |
| A. | crocodile |
| B. | snake |
| C. | Frog |
| D. | Human |
| E. | Bufo |
| Answer» E. Bufo | |
| 3324. |
Medusa is the Reproductive organs of (BHU-2008) |
| A. | Hydra |
| B. | Aurelia |
| C. | obelia |
| D. | sea anemone |
| E. | Bufo |
| Answer» C. obelia | |
| 3325. |
which of the given option is shows more stable ecosystem ? Producer primary Secondary Tertiary Total consumer consumer consumer |
| A. | 100 200 150 80 530 |
| B. | 900 500 225 40 1665 |
| C. | 200 100 125 75 500 |
| D. | All of the given. |
| Answer» C. 200 100 125 75 500 | |
| 3326. |
Autotrophs use [X] and Produces [Y], which is store as [Z], which of the given option is correct for X, Y, and Z ? X Y Z |
| A. | Sunlight Nutrient Chemical |
| B. | Energy Chemical energy Sunlight |
| C. | Grass (Herb) Energy Starch |
| D. | Sunlight Glycogen ATP |
| Answer» B. Energy Chemical energy Sunlight | |
| 3327. |
Which of the following stage is possible by the activity of Hetorotrophs ? |
| A. | Utility |
| B. | Re-accommodation |
| C. | Decmposition |
| D. | All the given |
| Answer» E. | |
| 3328. |
which option is more suitable for x and y ?_ans_key_X : Animal cells possesses mitochondria._ans_key_Y : IN animal cell energy is released when carbohydrates are completely broken . |
| A. | Both are correct |
| B. | Both are wrong |
| C. | If x is correct then only y is correct . |
| D. | X : correct Y : wrong |
| Answer» D. X : correct Y : wrong | |
| 3329. |
who is responsible for the process like, Phosphate Containing Organic compound Phosphate |
| A. | Certain fungi |
| B. | Certain algae |
| C. | Certain Specific bacteria |
| D. | All three |
| Answer» D. All three | |
| 3330. |
which of the following is one of the causes of cancer ? |
| A. | Obesity |
| B. | Artheros cerosis |
| C. | Inadcquale of O2 supply |
| D. | Hypertension |
| Answer» D. Hypertension | |
| 3331. |
Which of the following is not a functional unit of ecosystem ? |
| A. | Stratification |
| B. | Flow of energy |
| C. | Decompos |
| D. | productivity. |
| Answer» B. Flow of energy | |
| 3332. |
What is an Original Source of energy flow in any food chian ? |
| A. | Sun |
| B. | Produces |
| C. | Primary |
| D. | None |
| Answer» C. Primary | |
| 3333. |
It is the type of photosynthesis occurs in most of the plants ? |
| A. | C4 - Cycle |
| B. | C3 - Cycle |
| C. | CAM - Cycle |
| D. | C2 -Cycle |
| Answer» C. CAM - Cycle | |
| 3334. |
Which of the following has maximun importance (value) in grass- land. |
| A. | Secondary Production |
| B. | Net Production |
| C. | Tetiacry Prroduction |
| D. | Total Production. |
| Answer» E. | |
| 3335. |
In which stage of the Decomposition, larger surface area for future decomposition is availabel? |
| A. | st 1 |
| B. | 2nd |
| C. | 3rd |
| D. | All of the above |
| Answer» B. 2nd | |
| 3336. |
X is structaral unit of economy and y is structra unit of x then ... what is the x and the y ? X Y |
| A. | Biotic community - Biomass, Abiotic factor |
| B. | Ecosystem - Biomass,Biotic factor |
| C. | Biomass - Ecosystem |
| D. | Food web - Ecosystem |
| Answer» C. Biomass - Ecosystem | |
| 3337. |
Who is first to receive Phosphate released through leaching in phosphate cycle ? |
| A. | Decomposer |
| B. | producer |
| C. | Consumer |
| D. | None of the given |
| Answer» C. Consumer | |
| 3338. |
Immature fall of floral bud and fruits are observed in a farm, and on leaves Red and purple pigments spots are observed, In which of following place is Such Symptoms will not be observed in plants |
| A. | Sea shore |
| B. | Bank of river |
| C. | Foot hills of mountain |
| D. | Red Soil |
| Answer» D. Red Soil | |
| 3339. |
Grass cow lion. If productivity of grass is 5000 kg/ Meter/ year. Then What will be theproductivity of lion ? (In general) |
| A. | 500 |
| B. | >50 |
| C. | 1000 / / .2kg mter year |
| D. | >100 |
| Answer» C. 1000 / / .2kg mter year | |
| 3340. |
The herbaceohs plant has 100 gram whight then what would be the average bio-mass of the same ? |
| A. | 100 gram |
| B. | 20-25 gram |
| C. | 10-15 gram |
| D. | 85-90 gram |
| Answer» D. 85-90 gram | |
| 3341. |
In which of the following alimentory canal, '' starch glucosen'' is prodused ? |
| A. | Producer |
| B. | Ist trophic layer |
| C. | IInd trophic layer |
| D. | All of types |
| Answer» C. IInd trophic layer | |
| 3342. |
In an ecosystem, Which of the following is unidirectional ? |
| A. | Sulphar |
| B. | Organic nutrient |
| C. | carbon |
| D. | Free energy |
| Answer» E. | |
| 3343. |
In the given pyramid of energy which of the following can be placed in first trophic level ? |
| A. | Decomposer |
| B. | plants |
| C. | a & b Both |
| D. | None |
| Answer» D. None | |
| 3344. |
What is indicated by Pyramid of number ? |
| A. | Number of individuals at every trophic layer. |
| B. | Species belonging to a particular region. |
| C. | Number of member of biotic- community |
| D. | None of the given. |
| Answer» B. Species belonging to a particular region. | |
| 3345. |
Which of the following is not a pair of Gaseous cycle ? |
| A. | P&N |
| B. | N & S |
| C. | N & S |
| D. | C & P |
| Answer» D. C & P | |
| 3346. |
Which of the following associations do not establish functional interspeciific association ? |
| A. | Mutualism |
| B. | Exosparasite |
| C. | Endoparasite |
| D. | Commensalism |
| Answer» E. | |
| 3347. |
which of the following eco-system has highest annual primary productivity ? |
| A. | Tropical deciduou forest |
| B. | Tropical Rain forest |
| C. | Temperate deciduou forest |
| D. | Temperate Ever green forest. |
| Answer» C. Temperate deciduou forest | |
| 3348. |
Which of the following will form a new species ? (PMT-98) |
| A. | inter breeding |
| B. | variations |
| C. | differential reproduction |
| D. | none of the above |
| Answer» C. differential reproduction | |
| 3349. |
Two organisms of same class but different families will be kept under the same (CET-98) |
| A. | genera |
| B. | species |
| C. | order |
| D. | family |
| Answer» D. family | |
| 3350. |
In the given chart from carnivores to producer energy level gradually. |
| A. | Decreases |
| B. | Increases |
| C. | Decreases & increases both are possible |
| D. | None |
| Answer» C. Decreases & increases both are possible | |