Description : In plants the adverse enviornmental con- ditions are overcome with the help of which hormone?
Last Answer : Abscisic acid
Description : An organism will survive if it is adapted to its environment. What is the name for this process?
Last Answer : Natural selection
Description : Which one of the following may be the reason for extinction of plant species due to human activities ?
Last Answer : Which one of the following may be the reason for extinction of plant species due to human ... Earthquakes B. Pollution C. Diseases D. Evolution
Description : The main reason for extinction of species is ,
Last Answer : The main reason for extinction of species is , A. Hunting B. Destruction of habitat C. Pollution D. None of these
Description : Assertion(A): The process of development should not ignore environmental issues.Reason(R) : Environment- we have not inherited from our forefathers but we have borrowed it from our children. a) Both A and R are true and R ... of A. c) A is correct but R is wrong. d) A is wrong but R is correct.
Last Answer : b) Both A and R are true and R is the not correct explanation of A.
Description : Conifers are adapted to tolerate extreme environmental conditions because of (a) broad hardy leaves (b) superficial stomata (c) thick cuticle (d) presence of vessels.
Last Answer : (c) thick cuticle
Description : The layer of the marine biome where the animals are adapted to survive on detritus under even greater pressure is ………………..
Last Answer : The layer of the marine biome where the animals are adapted to survive on detritus under even greater ... the Disphotic layer (d) the Aphotic layer
Description : Which Indian bird is facing extinction threat due to environmental pollution?
Last Answer : Vulture
Description : Scientifically speaking, how much longer could the human race survive before extinction?
Last Answer : How would anyone come up with a “scientific” answer to such a question? You can dial up a psychic or consult your dog, and an opinion from either would be equally probable.
Description : Assertion (A): The problems of environmental sustainability are difficult to resolve. Reason (R): Our understanding how environment works and how different human choices affect environment is inadequate. Choose the correct code: (A) ... is true and (R) is false. (D) (A) is false and (R) is true.
Last Answer : (A) Both (A) and (R) are correct and (R) is the correct explanation of (A).
Description : Assertion (A): People population control measures do not necessarily help in checking environmental degradation. Reason (R): The relationship between population growth and environmental degradation is rather complex. Choose the correct ... (R) is false. (D) (A) is false but (R) is true.
Last Answer : Answer: A
Description : Assertion If the path of a charged particle in a region of uniform electric and magnetic field is not a circle, then its kinetic energy may remain con
Last Answer : Assertion If the path of a charged particle in a region of uniform electric and magnetic field is ... VxxB),` where symbols have their usual meanings.
Description : Assertion :- In a mixed population those that can better-adapt, survive and increase in population size. Reason :- Better adaptability made the animal
Last Answer : Assertion :- In a mixed population those that can better-adapt, survive and increase in population size. ... D. If both Assertion & Reason are false.
Description : Care to comment on Steven Hawking's latest assertion that the rise of artificial intelligence will mean extinction for the human race?
Last Answer : answer:Hawking could have gone a bit farther with his concern: The rise of human intelligence will mean extinction for the human race. That is, as our intelligence improves (in any of the various ... Our weapons systems continue to improve, but our diplomatic skills are stuck in the Dark Ages.
Description : What do you think each species variation makes it well adapted to its physical environment?
Last Answer : Feel Free to Answer
Description : Bacterial species in fish are naturally adapted to the cold environment in which most fish live and thus, _____ will not affect them; _____ is preferred. a. heating, cooking b. cooling, refrigeration c. warming, boiling d. cooling, freezing
Last Answer : d. cooling, freezing
Description : Assertion :- According to Hugo de Vries , it is mutation which causes speciation and hence called it saltation. Reason :- Mutations are random and dir
Last Answer : Assertion :- According to Hugo de Vries , it is mutation which causes speciation and hence called it ... . D. If both Assertion & Reason are false.
Description : The process by which organisms with different evolutionary history evolve similar phenotypic adaptations in response to a common environmental challenge, is called (a) non-random evolution (b) adaptive radiation (c) natural selection (d) convergent evolution.
Last Answer : (d) convergent evolution
Description : If all of humanity were to be instantly and irreversibly sterilised tomorrow, locking in biological extinction for the species, how long would it take for humans to turn themselves into robots?
Last Answer : I’m not sure “robots” is the term. The better question is “how long would it take humans to turn into wild animals?” 30 days or less.
Description : What role does chance play in the extinction of species?
Last Answer : A rather extensive one, I would think. Meteor impacts, geological events, dissapearance of habitat, emergence of a new predator… the list seems extensive.
Description : Would you condemn humankind for causing the extinction of 75% of all species?
Last Answer : I wouldn't hold God responsible, She just started the ball rolling. Who do you hold responsible for the species that became extinct before homo sapiens appeared? The great dinos disappeared and I'm sure they ... responsibility is to try to survive as long as possible. In the end, nature will win.
Description : What has caused the destruction and extinction of many species of animals and plant life? -Geography
Last Answer : Neglect of our environment has led to the destruction and extinction of many species of animals and plant life.
Description : By when is extinction of a species in a food chain compensated? -Do You Know?
Last Answer : answer:
Description : What is the main cause of extinction of species from tropics? -Do You Know?
Description : Which of these organizations lists "preventing mass extinction of species" as one of its goals?
Last Answer : The Convention on Biological Diversity
Description : Why should people be concerned about the extinction of a species?
Last Answer : The extinction of a species upsets the balance of ecosystems.
Description : How does the extinction of a species affect humans?
Last Answer : Extinction contributes to the loss of natural food sources.
Description : Biodiversity loss occurs due to (i) habitat loss and fragmentation (ii) co-extinction (iii) over-exploitation (iv) alien species invasion.
Last Answer : Biodiversity loss occurs due to (i) habitat loss and fragmentation (ii) co-extinction (iii) over-exploitation (iv) ... (iv) D. (i), (ii) and (iv)
Description : A tree species in Mauritius failed to reproduce because of the extinction of a fruit-eating bird. Which one of the following was that bird?
Last Answer : A tree species in Mauritius failed to reproduce because of the extinction of a fruit-eating bird. Which one of ... A. Dove B. Dodo C. Condor D. Skua
Description : Man-made mass extinction of species represents a severe depletion of biodiversity called
Last Answer : Man-made mass extinction of species represents a severe depletion of biodiversity called A. ... C. Anthropogenic extinction D. Human extinction
Description : A population characteristic of a species susceptible to extinction is
Last Answer : A population characteristic of a species susceptible to extinction is A. Low trophic level in ... Wide range of distribution D. High biotic potential
Description : The species which are likely to be in the danger of ex- tinction in the near future if the factors threatening their extinction continue are known as
Last Answer : The species which are likely to be in the danger of ex- tinction in the near future if ... . Rare species C. Vulnerable species D. Endangered species
Description : What time era what's the largest Extinction of species?
Last Answer : Need answer
Description : Why changes in climate can result in the extinction of a species?
Last Answer : The perfect example of this is the polar bear. The ice caps aremelting and the bears are loosing ice that they live on due toglobal warming. They can swim fairly well, but they are drowningbecause they can’t find the ice they need.
Description : What is the main cause of extinction of species from tropics?
Last Answer : Deforestation
Description : The most important human activity, leading to the extinction of wildlife, is (a) pollution of air and water (b) hunting for valuable wildlife products (c) introduction of alien species (d) alteration and destruction of the natural habitats.
Last Answer : (d) alteration and destruction of the natural habitats.
Description : Study the four statements (i-iv) given below and select the two correct ones out of them. (i) A lion eating a deer and a sparrow feeding on grains are ecologically similar in being consumers. (ii) Predator star fish Pisaster helps ... (iii) (b) (iii) and (iv) (c) (i) and (iv) (d) (i) and (ii)
Last Answer : (d) (i) and (ii).
Description : A species facing extremely high risk of extinction in the immediate future is called (a) vulnerable (b) endemic (c) critically endangered (d) extinct.
Last Answer : (c) critically endangered
Description : Which of the following is the most important cause of animals and plants being driven to extinction? (a) Habitat loss and fragmentation (b) Co-extinctions (c) Over-exploitation (d) Alien species invasion
Last Answer : (a) Habitat loss and fragmentation
Description : Decline in the population of indian native fishes due to introduction of Clarias gariepinus in river Yamuna can be categoriesd as (a) co-extinction (b) habitat fragmentation (c) over-exploitation (d) alien species invasion.
Last Answer : (d) alien species invasion.
Description : Which of the following is the most important for animals and plants being driven to extinction? (a) Alien species invasion (b) Habitat loss and fragmentation (c) Drought and floods (d) Economic exploitation
Last Answer : (b) Habitat loss and fragmentation
Description : By when is extinction of a species in a food chain compensated
Last Answer : Food web
Description : According to the study conducted by University of Minnesota in the first week of March 2013, which species of Africa would decline to almost extinction over the period of coming 20-40 years if conservation measures were not undertaken? a) Elephants b) Wild Cat c) Wild Lizard d) Wild Lion
Last Answer : Answer: (d) Wild Lion
Description : _____ introduced into Lake Victoria caused extinction of 200 species of cichlid fishes.a) nile perch b)African cat fish c) flamingo d) pisaster
Last Answer : a) nile perch
Description : A mass extinction is A) the extinction of small-sized species. B) the extinction of large-sized species. C) the simultaneous extinction of many species. D) something that has never been seen in the fossil record.
Last Answer : C) the simultaneous extinction of many species.
Description : How common has extinction been in the fossil record? A) Over 99 percent of all past species have become extinct. B) Roughly 50 percent of all past species have become extinct. C) Roughly 25 percent of all past species have become extinct. D) Very few species have ever become extinct.
Last Answer : A) Over 99 percent of all past species have become extinct.
Description : 1. Which cup/trophy is associated with football? 2. What is the main cause of extinction of species from tropics? 3. In which year did the Congress loose its monopoly of power in the ... bearing kimberlite been discovered in the recent past? 20. Who in ancient India assumed the title amitraghata?
Last Answer : Answer : 1. Santosh Trophy 2. Deforestation 3. 1967 4. Corbett 5. Surya Sen 6. Silicon 7. Madam Curie 8. Finance Ministry 9. Corbett National Park 10. Udham Singh 11. Protoplasm 12. Election ... rapidly 14. Orissa 15. Seleucus 16. Bharat Ratna 17. 1920 18. Chloroplasts 19. Raipur 20. Bindusar
Description : Assertion: Communities that comprise of more species tend to be more stable. Reason: A higher number of species results in less animal variation in to
Last Answer : Assertion: Communities that comprise of more species tend to be more stable. Reason: A higher number ... D. If both assertion and reason are false.
Description : Can HBV survive on environmental surfaces dried at room temperature foe eight hours?
Description : What environmental factors must emergents be able to survive?