24277 + Interview Questions in Biology in Class 12 Page 202 InterviewSolution

10051.	Question : Prakash parked his car in bright sunlight for a few hours, with glass windows fully raised.After some time inside of the car was very hot.Name of the phenomenon.
Answer» SOLUTION :GREEN HOUSE EFFECT .

Discussion

10052.	Question : Prakash parked his car in bright sunlight for a few hours, with glass windows fully raised. After some time the car was very hot inside. Name the phenomenon?
Answer» SOLUTION :GREENHOUSE EFFECT.

Discussion

10053.	Question : (p_q)^(2)+2pq+q^(2)=1 represents an equation used in
Answer» POPULATION genetics Mendelian genetics biomertircks molecular genetics Solution :N//A

Discussion

10054.	Question : Practise drawing various animals and plants.
Answer» SOLUTION :Ask your teachers and parents to SUGGEST the names of plants and animals and practice drawing them. You can also take HELP from your BOOK to FIND the names of plants and animals.

Discussion

10055.	Question : Practice drawing various animals and plants.
Answer» SOLUTION :Not NECESSARY

Discussion

10056.	Question :Practise drawing various animals and plants.
Answer» Solution :TAKE the HELP of internet and the books available, draw the figures of VARIOUS locala and rarely available PLANTS and ANIMALS on the drawing sheets.

Discussion

10057.	Question : Poultry Farm Management of chicken ,ducks, turkey , and geeses for food or their eggName the causative organism of bird flu
Answer» SOLUTION :VIRUS H5N1

Discussion

10058.	Question : Poultry Farm Management of chicken ,ducks, turkey , and geeses for food or their eggwhat are the important points to rememeber on poultry farming .
Answer» Solution :1)maintain diseases free condition in FARM 2) provide PROPER FEED and water

Discussion

10059.	Question : Poultry farm manager was cursing his hens for producing lion share of cocks in its progeny. Hearing this kumar, farm attender starts to blame his wife for delivering consecutive girl children. Analyse the situation scientifically and statewhether you agree with kumar
Answer» Solution :No Sex determination in birds FEMALES are heterogametic (ZX) MALES are HOMOGAMETIC (xx) males are heterogametic (xy). Thus men DETERMINE the sex of the offspring.

Discussion

10060.	Question : Potted plants are not allowed to remain in room of a patient during night as
Answer» They consume `O_2` at night Produe `CO_2` at night They RELEASE `O_2` only during DAY They are unable to photosynthesise and deplete `CO_2` of he ROOM at night ANSWER :B

Discussion

10061.	Question : Potential pathogens for bioweapons are
Answer» Bacillus anthracis Yerisinia pestis Vibrio cholerae all of these Solution :BIOWAR is the use of highly infectious pathogens, their spores and toxins as agents of BIOLOGICAL WEAPONS against humans, crops and animals of ENEMY counry. The agent is kept in a special container that keeps it in active/virulent state during delivery by missble or aircraft. Spray and powder are two common forms in which the bioweapon agent is delivered. Potential pathogens for bioweapons are Bacillus anthracis. Vibro cholerae, small pox virus Pasteurella/Yersinia pestis, Botulinum toxin etc.

Discussion

10062.	Question : Potato slices are immersed in a series of solutions of different osmotic concentration of the vacuolar sap is therefore,
Answer» 0.4 M greater than 0.4 M less than 0.4 M not RELATED at all of the OUTSIDE solution Answer :A

Discussion

10063.	Question : Potential difference across resting membrane is negatively charged. This is due to differential distribution of the following ions
Answer» `Na^(+)` anc `CL^(-)` ions `CA^(++)` and `Cl^(-)`ions `Na^(+)` and `K^(+)` ions `Ca^(++)` and `MG^(+)` ions Answer :C

Discussion

10064.	Question : Potassium ion exchange hypothesis of opening and closing of stomata was proposed by:
Answer» Steward Sayre Levitt Bose Answer :C

Discussion

10065.	Question : Position of the slope with respect to exposure to sun-ray.
Answer» ANSWER :ASPECT

Discussion

10066.	Question : ___________possesses high power of regeneration.
Answer» ANSWER :PLANARIA

Discussion

10067.	Question : Positive pressure imparting bulk flow is observed in
Answer» TRANSLOCATION of sucrose Ascent of SAP in TALL trees Ascent of sap in herb 1 and 3 Answer :A

Discussion

10068.	Question : Position of organisms in the environmental gradients is known as ………. .
Answer» HABITAT niche trophic niche hypervolume niche stable niche Answer :C

Discussion

10069.	Question : Position of essential whorls and inhibition autogamy in Gloriosa superba - comment .
Answer» Solution :In the bisexual FLOWERS of GLORIOSA superba , the style of the gynoecium is reflexted away from the STAMENS that SELF - pollination (autogamy) is IMPOSSIBLE .

Discussion

10070.	Question : Portion of gene which is transcribed but not translated is
Answer» Exon Intron Cistron Codon ANSWER :B

Discussion

10071.	Question : portion of endometrium lying between chorionic villi and myometrium is
Answer» DECIDUA basalis Decidua capsularis Decidua vera Decidua parietalis Answer :A

Discussion

10072.	Question : Porphyrin head in Chlorophyll molecule
Answer» CONSISTS of four pyrrole rings Pyrrole rings are linked in a CYCLIC maner Pyrrole rings are linked with magnesiumatom All the above Answer :D

Discussion

10073.	Question : Porogamy is entry for pollen tube through :
Answer» Chalaza Funicle Micropyle Integuments Answer :C

Discussion

10074.	Question : What are the pores on pneumatophores for gaseous exchange called ?
Answer» ANSWER :Pneumathodes

Discussion

10075.	Question : Population rise is an unavoidable evil.
Answer» Solution :The natural resources like AIR, land and water on the earth are in limited amount. Against it the level of human population rises very fast. Industralization and urbanization TAKE place due to population rise. That increases pressure on these natural resources. The social PROBLEMS like poverty, malnutrition, ANARCHY increase. The most part of population remain deprived of basic necessesities of life like FOOD, shelter and clothes. Thus population rise is an unavoidable evil.

Discussion

10076.	Question : Population size, more technically called population density (designated as N), need not necessarily be measured in numbers only. Explain the reasons for this with examples.
Answer» Solution :If the population is HUGE and counting is IMPOSSIBLE or very time-consuming. If you have adense laboratory culture of bacteria in a Petri dish what is the best measure to report its density for certain ecological investigations, there is no need to know the absolute population densities, relative densities serve the purpose equally well. For example, the number of fish CAUGHT per trap is good enough measure of its total population density in the lake. For example, the tiger census in our national PARKS and tiger reserves is OFTEN based on pugmarks and faecal pellets.

Discussion

10077.	Question : Population size of any species is not a static parameter.
Answer» ANSWER :TRUE

Discussion

10078.	Question : Population of an insect species increases explosively during rainy season. It disappears at the end of the season due to
Answer» DEATH of food plants at the end of RAINY season J-shaped GROWTH curve INCREASE in predator population S-shaped growth curve ANSWER :A

Discussion

10079.	Question : population interactions : Where '+' benefical interaction '-' detrimental interactions '0'neutral interaction. Observethe interactions of populations of 3 species as shown in the table .Name the interaction between:Species X and species Y in case 1.
Answer» SOLUTION :MUTUALISM

Discussion

10080.	Question : population interactions : Where '+' benefical interaction '-' detrimental interactions '0'neutral interaction.
Answer» SOLUTION :Predation/Parasitism

Discussion

10081.	Question : Population natality is
Answer» realised NATALITY BIOTIC potential vital INDEX carrying capacity ANSWER :B

Discussion

10082.	Question : population interactions : Where '+' benefical interaction '-' detrimental interactions '0'neutral interaction.
Answer» SOLUTION :COMPETITION

Discussion

10083.	Question : population interactions : Where '+' benefical interaction '-' detrimental interactions '0'neutral interaction.
Answer» SOLUTION :COMMENSALISM

Discussion

10084.	Question : Population ia a unit of :
Answer» Ecosystem Community Both(a) and (B) NEITHER (a) nor (b) ANSWER :C

Discussion

10085.	Question : Population growth curves (two types are given: observe the following graph answer the following questions.)Which population growth has limited food supply?
Answer» SOLUTION :LOGISTIC GROWTH

Discussion

10086.	Question : Population growth curves (two types are given: observe the following graph answer the following questions.)Identify the curves a & b.
Answer» SOLUTION :Curve .a. is EXPONENTIAL growth curve and b is LOGISTIC growth curve.

Discussion

10087.	Question : Population growth curves (two types are given: observe the following graph answer the following questions.)Explain the significance og K.
Answer» Solution :K is carrying. BEYOND K no further GROWTH of POPULATION is POSSIBLE.

Discussion

10088.	Question : Population envolve to maximise their reproductive fitness also called Darwinian fitness with
Answer» HIGH VALUE LOW value High K value High `K-N`/K value Answer :A

Discussion

10089.	Question : Population density is designated as
Answer» <P>D P N d Answer :C

Discussion

10090.	Question : Population are said to be sympatric when
Answer» two populations live together and freely interbreed to PRODUCE sterile offspring two populations are physically isolated by NATURAL barriers two populations are isolated but OCCASIONALLY COME together to interbreed two pupulations share the same ENVIRONMENT but cannot interbreed Answer :D

Discussion

10091.	Question : Pons varolii is the part of mid brain.
Answer» True False Answer : PORNS varoli is the PART of HIND BRAIN.

Discussion

10092.	Question : POP is abbreviated for :
Answer» Pak occupied people Persistent organic pollutant Plant organising principle Plant of pacific province Solution :POP is an abberviation of . Perisitent organic POLLUTANTS. The WHO estimates an ANNUAL death toll of around 20000 due to POISONING from POPS and other pesticides.

Discussion

10093.	Question : Pond is a self-sustainable unit. Some organisms related to pond ecosystem is listed below. tadpole, fish, water, plants, kingfisher Name interconnection of food chains in nature.
Answer» SOLUTION :FOOD WEB

Discussion

10094.	Question : Pond is a self-sustainable unit. Some organisms related to pond ecosystem is listed below. tadpole, fish, water, plants, kingfisher Construct a food chain with the listed organisms.
Answer» SOLUTION :WATER plants `rarr` Tadpole `rarr` FISH `rarr` KINGFISHER

Discussion

10095.	Question : Pond is a self-sustainable unit. Some organisms related to pond ecosystem is listed below. tadpole, fish, water, plants, kingfisher Explain trophic level.
Answer» Solution :SPECIFIC PLACE of an arganism in the food CHAIN based on the SOURCE of nutrition or food.

Discussion

10096.	Question : Pond is a type of
Answer» FOREST ECOSYSTEM GRASSLAND ecosystem marine ecosystem fresh WATER ecosystem Answer :D

Discussion

10097.	Question : Pons connects:
Answer» BRAIN with SPINAL cord Cerebrum with cerebellum Two-lobes of cerebellum Two CEREBRAL hemispheres Answer :C

Discussion

10098.	Question : Pond is a self-sustainable unit. Some organisms related to pond ecosystem are listend belowtadpole, fish, water plants, kingfishera.Construct a food chain with the listed organisms.b.Explain trophic level.c.Point out trophic level of each organism in the constructed food chain. d.Name interconnection of food chains in nature.
Answer» Solution :a.Water plants `to`TADPOLE `to`fish `to` kingfisher b.Based on the source of their nutrition or food, organisms OCCUPY a specific PLACE in the food chain, that is known as their trophic level. c.Water plants - I trophic level - producers Tadpole - II trophic level - HERBIVORES (primary consumer) Fish - III trophic level - secondary consumer Kingfisher - IV trophic level - tertiary consumer d.Food web.

Discussion

10099.	Question : Pond is a
Answer» SHALLOW FRESH water body Deep fresh water body Shallow marine water body Deep marine water body SOLUTION :Shallow fresh water body

Discussion

10100.	Question : Pond ecosystem shows
Answer» Inverted PYRAMID of NUMBER Inverted pyramid of biomass Upright pyramid of biomass Inverted pyramid of energy SOLUTION :Inverted pyramid of biomass

Discussion

Explore topic-wise InterviewSolutions in .

Question : Prakash parked his car in bright sunlight for a few hours, with glass windows fully raised.After some time inside of the car was very hot.Name of the phenomenon.

Question : Prakash parked his car in bright sunlight for a few hours, with glass windows fully raised. After some time the car was very hot inside. Name the phenomenon?

Question : (p_q)^(2)+2pq+q^(2)=1 represents an equation used in

Question : Practise drawing various animals and plants.

Question : Practice drawing various animals and plants.

Question :Practise drawing various animals and plants.

Question : Poultry Farm Management of chicken ,ducks, turkey , and geeses for food or their eggName the causative organism of bird flu

Question : Poultry Farm Management of chicken ,ducks, turkey , and geeses for food or their eggwhat are the important points to rememeber on poultry farming .

Question : Poultry farm manager was cursing his hens for producing lion share of cocks in its progeny. Hearing this kumar, farm attender starts to blame his wife for delivering consecutive girl children. Analyse the situation scientifically and statewhether you agree with kumar

Question : Potted plants are not allowed to remain in room of a patient during night as

Question : Potential pathogens for bioweapons are

Question : Potato slices are immersed in a series of solutions of different osmotic concentration of the vacuolar sap is therefore,

Question : Potential difference across resting membrane is negatively charged. This is due to differential distribution of the following ions

Question : Potassium ion exchange hypothesis of opening and closing of stomata was proposed by:

Question : Position of the slope with respect to exposure to sun-ray.

Question : ___________possesses high power of regeneration.

Question : Positive pressure imparting bulk flow is observed in

Question : Position of organisms in the environmental gradients is known as ………. .

Question : Position of essential whorls and inhibition autogamy in Gloriosa superba - comment .

Question : Portion of gene which is transcribed but not translated is

Question : portion of endometrium lying between chorionic villi and myometrium is

Question : Porphyrin head in Chlorophyll molecule

Question : Porogamy is entry for pollen tube through :

Question : What are the pores on pneumatophores for gaseous exchange called ?

Question : Population rise is an unavoidable evil.

Question : Population size, more technically called population density (designated as N), need not necessarily be measured in numbers only. Explain the reasons for this with examples.

Question : Population size of any species is not a static parameter.

Question : Population of an insect species increases explosively during rainy season. It disappears at the end of the season due to

Question : population interactions : Where '+' benefical interaction '-' detrimental interactions '0'neutral interaction. Observethe interactions of populations of 3 species as shown in the table .Name the interaction between:Species X and species Y in case 1.

Question : population interactions : Where '+' benefical interaction '-' detrimental interactions '0'neutral interaction.

Question : Population natality is

Question : population interactions : Where '+' benefical interaction '-' detrimental interactions '0'neutral interaction.

Question : population interactions : Where '+' benefical interaction '-' detrimental interactions '0'neutral interaction.

Question : Population ia a unit of :

Question : Population growth curves (two types are given: observe the following graph answer the following questions.)Which population growth has limited food supply?

Question : Population growth curves (two types are given: observe the following graph answer the following questions.)Identify the curves a & b.

Question : Population growth curves (two types are given: observe the following graph answer the following questions.)Explain the significance og K.

Question : Population envolve to maximise their reproductive fitness also called Darwinian fitness with

Question : Population density is designated as

Question : Population are said to be sympatric when

Question : Pons varolii is the part of mid brain.

Question : POP is abbreviated for :

Question : Pond is a self-sustainable unit. Some organisms related to pond ecosystem is listed below. tadpole, fish, water, plants, kingfisher Name interconnection of food chains in nature.

Question : Pond is a self-sustainable unit. Some organisms related to pond ecosystem is listed below. tadpole, fish, water, plants, kingfisher Construct a food chain with the listed organisms.

Question : Pond is a self-sustainable unit. Some organisms related to pond ecosystem is listed below. tadpole, fish, water, plants, kingfisher Explain trophic level.

Question : Pond is a type of

Question : Pons connects:

Question : Pond is a

Question : Pond ecosystem shows