Odisha B.Ed Entrance 2026 | Biology Mock Test-5 by Simran Mam | Important MCQ Practice

Added: 2026-05-22

[00:01:00]Hello everyone. Good morning.

[00:01:03]I'm start biology mock test 5. Okay.

[00:01:07]Biology mock test five start. So first MCQ question. First question.

[00:01:15]According to the competitive exclusion principle two closely related species competing for the same resource konohaba always coexist never coexist permanently undergo mutualism form food chains. Form food chains. Okay.

[00:01:38]Form food chains. So competitive exclusion principle wise chain form option. Yes. Option B same resource.

[00:02:15]Okay. So option B.

[00:02:20]Okay. Next they come.

[00:02:25]Biiomagnification.

[00:02:27]Biiomagnification is maximum art. Biiomagnification.

[00:02:36]Huh? Exist only up to a limit. Huh?

[00:02:40]Okay. Biomagnification is maximum art.

[00:02:46]Biomagnification.

[00:02:51]producer label, primary consumer level, secondary consumer level or top carnivore level. Biomagnification means biomagnification toxic level top level.

[00:03:19]Top carnivore level. Huh? Top trophic level. Yes. So, option D. Top trophic level. Okay.

[00:03:29]Next. Which of the following is not a gaseous biogeeochemical cycle?

[00:03:35]Which of the following is not a gaseous biogeeochemical cycle?

[00:03:43]Gasous biogeeochemical cycle.

[00:03:49]Nitrogen cycle, carbon cycle, sulfur cycle or phosphorus cycle.

[00:03:55]Kota gaseous biog phosphorus cycle. Okay. Nitrogen cycle gas cycle carbon cycle gas cycle. Sulfur cycle gas cycle but phosphorus cycle to gasous cycle. Okay.

[00:04:15]Okay. Next in a population refers to what populationity death rate, migration rate, birth rate, survival rate, natality.

[00:04:40]Option D, survival rate.

[00:04:45]Survival rateality birth rate and mortality death rate. Okay.

[00:05:00]Mortality mortality death rate. Huh. Option C. Birth rate.

[00:05:10]Natality. Mortality. Death rate. Okay.

[00:05:14]Okay. Migration.

[00:05:20]Migration.

[00:05:25]Immigration.

[00:05:26]Immigration.

[00:05:29]Immigration. Yes or no? Immigration.

[00:05:33]So, immigration.

[00:05:35]Immigration.

[00:05:38]Immigration. Immigration.

[00:05:41]Migration.

[00:05:44]Migration. Immigration.

[00:05:46]Immigration. What is immigration?

[00:05:51]Immigration.

[00:05:59]Addition. Addition. Okay.

[00:06:05]Okay. That is immigration.

[00:06:12]organisms that is immigration.

[00:06:21]Okay.

[00:06:23]Okay. Next.

[00:06:26]Gross primary productivity.

[00:06:29]Gross Gross primary productivity.

[00:06:38]Gross primary productivity question. Okay. Elo question.

[00:06:46]Gross primary productivity. Total biomass consumed by herbivores. Total organic matter produced by producer per unit time. Energy stored in consumers.

[00:06:58]Rate of decomposition.

[00:07:07]Okay. So total organic matter produced by producer per unit time option B option B okay next question they net primary productivity NPP is equal to net primary productivity that is NPP is equals to corner net primary productivity to NPP equals GPP gross primary productivity minus respiration minus NPP net primary productivity net primary productivity. So NPP equals to NPP equals to option B option B GPP minus respiration loss. Okay. GPPP minus respiration loss. Okay.

[00:08:12]Next, they energy available for herbivores. The energy available for herbivores in an ecosystem. in an ecosystemary productivity or standing straight corner option option NP yes energy available that is net primary productivity no producer producer loss respiration loss. So GPP minus RC energy available that is NPP net primary productivity. Okay.

[00:09:25]Next net primary productivity represents Nate primary productivity represents total energy fixed by auto drops. Energy lost during respiration.

[00:09:41]Biomass available to consumers. Total solar radiation received.

[00:09:47]Total solar radiation received.

[00:09:51]Nate primary productivity.

[00:09:54]NPresent total energy fixed by autorop GP. GPP energy lost during respiration.

[00:10:10]Okay. Biomass available to consumer NP.

[00:10:15]NP Okay. NP.

[00:10:20]Option Option C. Biomass available to consumer. Okay.

[00:10:28]Option C not B. Option C. Okay. Biomass available to consumers.

[00:10:35]Okay.

[00:10:37]Next they statement is correct? Which statement is correct? Co- statement are correct. NPP is always greater than GPP. GPP equals to respiratory loss. GPP includes energy used in respiration. NPP includes respiratory losses.

[00:11:08]statement is always greater than GPP minus R equals to NPP. So NP GP to greater no okay option GPP equals to respiratory loss.

[00:11:27]No GPP is not equal to respiratory loss.

[00:11:31]Okay. No. So GPP includes energy used in respiration. Yes, GPP.

[00:11:39]Now NP plus R primary productivity GP. So GPP include respiration loss. Okay. So option C. Option C. Okay.

[00:11:56]Next. The causitive organ organisms of slipping sickness. Cositive organism of slipping sickness. Okay.

[00:12:08]Slipping sickness co-organism cause the causitive organism or agent.

[00:12:16]The causitive organism or agent of slipping sickness.

[00:12:22]K. Slipping sickness. Cositive agent. K.

[00:12:27]Option options Gambian branch of lemania donovan.

[00:12:41]Okay. Option B. Tripano. Option B tryan zoma. Okay. Slipping sickness causitive agent.

[00:12:55]Okay. causitive agents.

[00:12:58]The incubation period of a disease.

[00:13:01]Incubation period of a disease refers to incubation period protogens. Protogens option option option tripenosoma. Okay.

[00:13:18]Next, the incubation period disease. Huh? Protogen disease. Okay.

[00:13:27]The incubation period of disease.

[00:13:30]Disease. Incubation period.

[00:13:33]Time taken for recovery. Time between infection and appearance of symptoms.

[00:13:39]Time of pathogen reproduction. Duration of treatment. Duration of treatment.

[00:13:45]Incubation period. Period of incubation.

[00:13:52]Time taken for recovery. Time between infection and appearance of symptoms.

[00:13:58]Time of pathogen reproduction. Duration of treatment.

[00:14:06]Incubation period.

[00:14:09]Incubation.

[00:14:12]Infection of symptoms appearance between your time. time. Okay.

[00:14:19]Incubation period the time between infection and appearance of symptom.

[00:14:25]Okay. Infection of symptoms appearance.

[00:14:32]Incubation period. Okay. Incubation period.

[00:14:37]Okay.

[00:14:39]Next. Which of the following disease is caused by deficiency of iodin?

[00:14:45]Deficiency of iodin co- disaster.

[00:14:50]Deficiency of iodin.

[00:14:55]Deficiency of iodin.

[00:14:58]Goer. Okay. Goer. Okay. Scarvy deficiency.

[00:15:04]Scarvic deficiency. Hm. Goer. Correct.

[00:15:08]D. Option D. Correct. Scarvy deficiency.

[00:15:12]Vitamin C. Berry. Berry. B ricketetts D.

[00:15:17]Okay.

[00:15:19]Okay.

[00:15:22]Next.

[00:15:24]The pathogen causing typhford. The pathogen causing typhoid.

[00:15:34]Pathogen. Typhoid cause salmonella vibrio plasmodium clustrdium cause typhoid copathogen cause h salmonella vibriopplasmodium clustradium okay option typhoid option a salmonella typhi salmonella ty salmonella ty Typh. Okay. So, typhoid is caused by salmonella.

[00:16:10]Okay. Bacteria virus.

[00:16:18]Bacteria. Fungus. Virus.

[00:16:21]Salmon.

[00:16:24]Bacteria. Yes.

[00:16:27]Bacteria. Okay.

[00:16:30]Salmon bacteria.

[00:16:33]Next they come. OPV.

[00:16:36]OPV stands for OPV stands for OPV stands for the oral protein vaccin, optimum polio virus, oral pathogen vaccin, oral polio vaccin, OPV oral protein vaccin, optimum polio virus, oral pathogen vaccin, oral polio vaccin Oral pathogen vaccin.

[00:17:11]Now pathogen vaccin. OPV stands for oral polio vaccin. Okay. OPV stands for oral polio vaccin. Okay.

[00:17:24]Oral polio vaccin. OPV.

[00:17:30]Next.

[00:17:32]The fast vaccine was developed by The vaccine was developed by fast huh oral polio vaccin OPV. Yes.

[00:17:48]Fast vaccin develop. The first vaccine was developed by fast vaccin develop option B option B Edward Jenner Edward Jenner say coaxin first develop first co vaccin develop Edward Jenner say first co vaccin develop yes small pox Co vaccin small pox. Okay.

[00:18:24]Small pox vaccin develop Edward Jenner say fast vaccin develop. Okay. Huh.

[00:18:31]Small pox. Small pox. Correct.

[00:18:35]Next. The reserve food material in brown algae. The reserve food material in brown algae.

[00:18:46]Brown algae. Reserve food material.

[00:18:50]Starch, fluoriden starch, lamarin and manitol or glycogen.

[00:18:57]Option C.

[00:19:00]Laminarin and manitol. Yes. Yes. Yes.

[00:19:04]Yes. Brown algebra reserve food material corner laminarin and manitol. Laminar and manitol. Okay.

[00:19:18]classic chloro 55 C five C and Rodo 5C and Rodo 5 Cigment ments important pigments. Okay.

[00:19:50]Important pigments.

[00:20:01]Okay.

[00:20:13]pigment and rodeo pigment. pigment co-pigment chlorophyll a yes chlorophyll a okay pigment chlorophyll a okay chlorophyll a clear okay next question they redid algae are characterized by the presence of same same question are characterized by the presence of fuccoanthin chlorophyll B ficothine zanthil special character present option.

[00:21:28]Option C. Ficoine.

[00:21:32]Ficoine. FIC.

[00:21:36]Fico.

[00:21:44]Okay.

[00:21:59]photosynthesis.

[00:22:01]Yes or no?

[00:22:10]It can absorbs blue light. Blue light.

[00:22:14]Okay. blue light.

[00:22:19]Okay.

[00:22:23]That's why because of the presence of ficothine, red algae are found deep down the sea as well. Okay. Red algae because of the presence of ficoine.

[00:22:38]Clear?

[00:22:40]Clear? Okay. Okay. Next question.

[00:22:45]The body of algae is generally called Body of Algae is generally called Alenelium proton ryomethalus protonma ryome.

[00:23:17]protonalus.

[00:23:22]Yes.

[00:23:25]They're also called.

[00:23:28]Yes or no? What is the meaning of thalus?

[00:23:38]Their body is not differentiated.

[00:23:42]Not differentiated. Okay. Not differentiated into corner. Now true.

[00:23:53]True leaves stem and root and root.

[00:24:02]Ja body. True.

[00:24:17]Okay.

[00:24:20]Okay.

[00:24:23]Because because true root, true stem, true lips present. Okay. Okay.

[00:24:32]Nextium.

[00:24:49]Okay.

[00:24:54]Just like this.

[00:25:02]Okay.

[00:25:12]Okay.

[00:25:15]Collectively they are called myelium. So what a fungal structure.

[00:25:20]Yes. Yes.

[00:25:22]H fungal structure. Okay.

[00:25:33]What is protonma?

[00:25:36]Proton.

[00:25:39]Proton.

[00:25:41]What? Juvenile stage. Okay. Juvenile stage.

[00:25:47]Juvenile stage of mosses. Okay. Juvenile stage of mosses proton.

[00:25:56]Proton bryophy asexual structure. Asexual structure.

[00:26:03]Bryophyes.

[00:26:06]Okay.

[00:26:08]Juvenile stage.

[00:26:11]Juvenile stage.

[00:26:20]Okay.

[00:26:23]Okay.

[00:26:32]Okay. Clear. Juvenile stage of mosses.

[00:26:37]Next.

[00:26:39]Which of the following is a colonial alga? Colonial alga. Which of the following is a colonial alga? Char volvox y ulotrix spyrogara colonial colonial alga yulri pyro colonial algae volvox. Okay. Volvox.

[00:27:14]Huh? Volvox structure.

[00:27:28]Okay.

[00:27:30]These are the sales of Volvox.

[00:27:41]But they are not clamidus.

[00:28:00]Okay. So, colonial alga colonial alga. Okay.

[00:28:09]Clear. Volvox.

[00:28:13]Next.

[00:28:15]Which one is known as pawn silk? Pond silk.

[00:28:21]Which one is known as pond silk?

[00:28:24]Ponderous silk.

[00:28:32]Pond silk. Which one is known as pond silk? Volvox clamidona. Spyro.

[00:28:40]Ponder.

[00:28:43]Spyro. Okay. Spyro pawn silk.

[00:28:50]because spiral structure just like this. Okay.

[00:29:01]Okay.

[00:29:10]foreign.

[00:29:20]Okay.

[00:29:31]silky.

[00:29:33]Okay.

[00:29:36]Spyro clear.

[00:29:39]Next chloroplast chloroplast. Okay. Spyro chloroplasty.

[00:29:52]Chloroplast.

[00:29:55]Okay.

[00:29:58]Chloroplast spiral spiral ribbon shaped. Okay. Spiral ribbon shaped chloroplast spy.

[00:30:12]Okay. Spiral ribbon shaped chloroplast.

[00:30:20]Spyro. Spiral and ribbon shaped chloroplast. Okay. Spyro present.

[00:30:27]Question chloroplast shaped chloroplast. Copshaped chloroplast.

[00:30:40]Copshaped chloroplast.

[00:30:45]Shaped.

[00:30:49]Cupshaped chloroplast.

[00:31:00]Clamidomus. Okay.

[00:31:03]Clamido monus.

[00:31:06]Clamidomonus chloroplast just like this. Okay. Just like this.

[00:31:15]Chloroplast.

[00:31:18]Okay. Clamido. Chloroplast.

[00:31:22]The chloroplast of clamidonas structure.

[00:31:25]Copshaped.

[00:31:27]Copshaped. Okay. Copshaped chloroplast.

[00:31:31]Clamido monasra. Okay. Important.

[00:31:42]Okay.

[00:31:48]Proteinatious body. Proteinious body.

[00:31:53]Main function. Pyanoid. Main function.

[00:31:58]Huh? Pyanoid. Main function. Pyanoid.

[00:32:02]Fast starch. Starch store. Okay. Starch and carbon dioxide fixing.

[00:32:13]Carbon dioxide fixation. Okay.

[00:32:17]Carbon dioxide fixation. So shifty function fixing. Next spiral shaped ribbon shaped chloroplast spy. Okay. Chloroplast shaped spiral shaped spyro. Clear. Next.

[00:32:47]Next. Aar is commercially obtained from.

[00:32:52]Agur is commercially obtained from Agerta. Commercialally obtain green algae, brown algae, red algae, blue green algae.

[00:33:08]Commercially obtained green, brown, red or blue green algae or blue green algae.

[00:33:16]Hi.

[00:33:19]Red ale. Okay. Red ale to obtain augur.

[00:33:25]Augur.

[00:33:26]Blue green algae belongs to which kingdom? Hm. Correct. Correct. Redee.

[00:33:36]Blue green algae belongs to which kingdom?

[00:33:42]Galadium and Huh?

[00:33:49]green belongs to.

[00:33:54]Yes. Yes. Mona. Okay. Monae algae.

[00:34:07]Okay.

[00:34:13]But ukarotic blue proarotic okay proarotic that's why they are placed under mona so mona clear next in a food chain producers contain 1,000 jew of energy but a food chain producer 1,000 of energy contain how much energy will secondary consumer receive food 10 sorry not 1,000 10,000 okay 10,000 of energy consumer One more producer base traffic level base traffic level 10,000 base traffic level primary primary Primary consumer primary consumer transfer 10% yes or no 10% transfer 10% 1,000 secondary consumer secondary consumer again 10% 10% 10% rule or 10% law 100 joule 100 joule yes correct 100 joule. Okay. 100 joule energy transfer secondary consumers.

[00:36:12]Okay. So option option B. Option B 100 joule. Clear.

[00:36:21]Clear. Next they a normal human somatic cell contains 46 chromosome.

[00:36:31]How how many chromosomes will present after meiosis? After meiosis, normal human somatic cell chromosome 46.

[00:36:58]Option D.

[00:37:01]D 23. 23. Huh? 23. Normal.

[00:37:09]46.

[00:37:16]Meiosis one. Yes or no?

[00:37:22]division. Yes or no?

[00:37:28]23 23. Then finally meiosis 2 meiosis 2 same chromosome number 23 23 23 and 23. So miosis one is reductional division. Miosis one is reductional division. Miosis 46 chromosomes 1 46 reduce 23 23 23 23 Okay division so finally 23 number of chromosome 23 number of chromosome if a normal diplo cell contains 16 chromosome normal deployed cell contain 16 chromosome contain find the number of chromosome in tetrazom condition.

[00:38:27]Tetrazomi condition tetrazomi or tetra.

[00:38:52]Yes or no?

[00:38:57]difference.

[00:39:10]So okay.

[00:39:20]Yes. Yes. Correct. Correct. Correct.

[00:39:23]That is correct.

[00:39:25]option. Okay. Okay. 18. 18. Okay. 18.

[00:39:38]Okay.

[00:39:43]Okay.

[00:39:50]Extra chromosome. Okay.

[00:39:53]Sorry. This is chromosome. Okay. But at the same time at the same directly 4 extra chromosome addition or subtraction. Okay. Similarly, 2 n 2 n - 2 condition 2 n - 2 a condition 2 nus 2 n + 2 tetra zomi tetra zomi 2 nus 2 2 n - 2 2 nus 2 nus chromosence suppose sequence. Okay.

[00:41:37]Okay.

[00:41:41]2us 2. This is nlli 2 n - 2 - 2 2 n - 2 - 2 2 n - 2 - 2 2 n - 2 - double. Okay. Double double.

[00:42:13]Okay. Similarly, 2 n + 1 + 1. 2 n + 1 + 1 is not equal to 2 n + 2. Okay. 2 n + 1 + 1 is not equal to 2 n + 2. 2 n + 2 is not equal to 2 n + 1 + 1.

[00:42:37]2 + 2 + 1 + 1 double tie double tie 2 n + 1 + double similarly 2 nus1 2us monomi yes or no single moni Okay. 2 n -1 -1 double monom. Okay.

[00:43:13]Okay. Okay.

[00:43:18]H 2 n 2 n - Okay.

[00:43:25]Double 2 n + 2 + 2 double t. Okay.

[00:43:38]4 N. Okay. Triploid 3 N. Diploid H 2 NLOD N. Pentaploid 5 N. Hexaploid 6 N.

[00:43:49]Okay.

[00:43:51]Next.

[00:43:53]Which of the following is not a condition for Hardy Winberg equilibrium?

[00:43:59]Hardy Winberg equilibrium. Which one is not a condition for Hardy Winberg equilibrium?

[00:44:07]Hardy Winberg equilibrium.

[00:44:10]Proper condition. First option. Large population. Random mating. Natural selection. No mutation.

[00:44:22]Natural selection. Natural selection.

[00:44:26]Okay. Natural selection. Hardy Wber principle Hardy Wenberg a population will be in equilibrium if if there is a there the population is large there is random mating there is no mutation no immigration no immigration okay no immigration no immigration okay natural selection No natural selection, no immigration, no immigration, no mutation. Random large population size P² + 2 PQ + Q ² = 1. Yes or no?

[00:45:17]Huh? P² + 2 PQ + Q ² = 1. Okay. P² P² P square frequency of frequency of dominant dominant individual. Okay. Q square frequency of recessive individual or 2pq frequency of hetereroygous individual hetereroygous individual yes or no frequency of P square dominant individual Q square recessive individual 2PQ frequency of heterogous individual heterogus individual okay P + Q = 1 P + Q equals to 1. P + Q = to 1. So it Per P frequency of dominant AL frequency of dominant AL. Okay. A l Q frequency of recessive al. Okay.

[00:46:28]Frequency of recessive l Okay.

[00:46:40]The frequency of dominant alil is 0.7.

[00:46:45]The recessive frequency dominant al frequency 0.7 recessive frequency dominant al frequency 0.7 recessive frequency H recive value P 0.7 P + Q = 1 P + Q = 1 So 0.7 P 0.7 + Q = 1 so Q = 0.3 0.3 3 yes or no Q = to 0.3 P frequency of dominant AL 0.7 Q P + Q = 1 P² + 2 PQ + Q² Similarly P + Q = 1 yes or noulate Yes or no? Okay.

[00:48:20]Frequency heterogous condition 2 PQ. So 2 into So 2 into P 0.7 into 0.3 into 0.3.

[00:48:49]So 2 into 0.2 21 that is 0.42 0.42 hetereroygous condition. Okay. 0.42 condition. Yes or no?

[00:49:18]Yes or no? Okay.

[00:49:23]Okay.

[00:49:25]Next question.

[00:49:27]Next question. The outer region of kidney is called outer region of kidney.

[00:49:35]The outer region of kidney.

[00:49:40]Okay.

[00:49:49]Principle formula P² + 2 PQ + Q² = 1. Okay.

[00:50:00]Okay.

[00:50:04]P + Q = 1. P + Q = 1. So P² P² Okay.

[00:50:19]Dominant individual.

[00:50:21]Okay. Dominant individual.

[00:50:24]Frequency of dominant individual. Okay.

[00:50:27]Dominant individual P square Q² recessive individual recessive individual A recessive A dominant. So a frequency p² okay dominant frequency okay dominant al frequency al frequency recessive al frequency recessive al frequency Okay.

[00:51:19]That is important.

[00:51:43]So P + Q= 1 P. Okay. frequency 0.7 0.7 P 0.7 + Q= 1 so 1us 0.7 0.3 heterogous condition already 0.7 2 PQ 2 PQ Q heterogous condition 2 PQ yes or no so 2 PQ man 2 into 0.7 into 0.3 yes or no 0.42 answer 0.42 42 answering next.

[00:53:12]Okay. Important topic.

[00:53:15]Important topic. Okay.

[00:53:19]Next question. The outer region of kidney is called kidney. Outer region.

[00:53:26]Medula, cortex, pelvis, hilum.

[00:53:32]Kidney outer region.

[00:53:34]Option B. Cortex. Yes. Kidney outer region. Cortex. Inner region. Medula.

[00:53:44]Medula. Okay.

[00:53:55]topic. Hardy winber principle.

[00:53:59]Hardy winber principle.

[00:54:04]Hardy winber principle. Next class.

[00:54:07]Hardy winber principle.

[00:54:10]Okay.

[00:54:13]Hardy windber.

[00:54:17]Okay.

[00:54:24]Okay.

[00:54:32]P² + 2 PQ + Q² = 1 + Q = 1.

[00:54:47]Okay.

[00:54:50]square. Yes or no? Yes or no? Okay.

[00:54:58]Next.

[00:55:01]Which hormone increases water reabsorption in kidney?

[00:55:08]Last question. Okay.

[00:55:13]Hormone water reabsorption water reabsorption hormone kidney coorm water reabsorption thyroxine insulin ADH estrogen ADHD okay method Not this one.

[00:55:55]H adh.

[00:55:57]Okay.

[00:55:59]Question. If a person secretes excess ADH, urine produced will be urine produced will be person ADH secret dilute and more in volume, concentrated and less in volume. Glucose reach, protein rich excursion volume.

[00:56:45]So option option B.

[00:56:58]Okay.

[00:57:21]less in volume. Okay. Okay.

[00:57:25]Clear.

[00:57:32]Okay.

[00:57:38]winber principle explain then MCQ discuss okay thank Thank you.