Description : Secondary/Succession takes place on/in :
Last Answer : Secondary/Succession takes place on/in : A. Newly cooled lava B. Bare rock C. Degraded forest D. Newly created pond
Description : Secondary succession takes place on/in (a) newly created pond (b) newly cooled lava (c) bare rock (d) degraded forest.
Last Answer : d) degraded forest.
Description : What is the difference between primary and secondary succession?
Last Answer : A: Primary succession occurs in an area where no soil or organisms are present, while secondary succession occurs in an area that has previously been inhabited by organisms but has been disturbed or damaged.
Description : Which one of the following statements is correct for secondary succession?
Last Answer : Which one of the following statements is correct for secondary succession? A. It is similar to ... on deforested site D. It follows primary succession
Description : Is primary succession faster than secondary succession?
Last Answer : Secondary succession is faster than primary succession because soil is already there and the soil usually contains many seeds.
Description : What is the difference between primary ecological succession and secondary ecological succession ?
Last Answer : Primary ecological succession is the changing sequence of communities from the first biological occupation of a place where previously there were no living beings. For example, the colonization and the following ... from the invasion of plants and animals are in an abandoned crop or land.
Description : Which one of the following statements is correct for secondary succession? (a) It begins on a bare rock. (b) It occurs on a deforested site. (c) It follows primary succession. (d) It is similar to primary succession except that it has a relatively fast pace.
Last Answer : (b) It occurs on a deforested site.
Description : 9. Which of the following statements is correct for secondary succession? (a) It begins on a bare rock. (b) It occurs on a deforested area. (c) It follows primary succession. (d) It is similar to primary succession, but has a relatively fast pace.
Last Answer : (d) It is similar to primary succession, but has a relatively fast pace.
Description : Assertion :- The aquatic mammals like Dolphins whales etc. do not contain gill slits. Reason : Their adaptation to aquatic life secondary.
Last Answer : Assertion :- The aquatic mammals like Dolphins whales etc. do not contain gill slits. Reason : Their ... . D. If both Assertion & Reason are false.
Description : Assertion : Secondary air pollutants are formed by interactin among primary pollutants and are more toxic Reason: DDT is secondary air pollutants
Last Answer : Assertion : Secondary air pollutants are formed by interactin among primary pollutants and are more toxic ... but reason is wrong D. Both are wrong
Description : Assertion: Net primary productivity is gross primary productivity minus respiration. Reason :Secondary productivity is produced by hetrotrophs.
Last Answer : Assertion: Net primary productivity is gross primary productivity minus respiration. Reason :Secondary ... If both assertion and reason are false.
Description : Assertion : In stem, pericycle take active part in secondary growth. Reason : In dicots, pericycle has the capacity to produce lateral roots.
Last Answer : Assertion : In stem, pericycle take active part in secondary growth. Reason : In dicots, pericycle has ... D. If both assertion and reason are false.
Description : Assertion : When sperm enters in egg , one polar body is released in human . Reason : At the time of ovulation eggs found in secondary Oocyte phase .
Last Answer : Assertion : When sperm enters in egg , one polar body is released in human . Reason : At the time ... False . D. If both Assertion & Reason are False.
Description : Assertion (A) :Sunlight reaches us without dispersion in the form of white light and not as a component. Reason(R) : Dispersion takes place due to variation of refractive index for different wavelength but in vaccum the speed of ... of A. (c) A is true but R is false. (d) A is false but R is true.
Last Answer : (a) Both A and R are true and R is the correct explanation of A.
Description : Assertion`:` Atherosclerosis affects the vessels that supply blood to the heart muscle. Reason`:` It is caused by deposits of calcium, fat, chalestero
Last Answer : Assertion`:` Atherosclerosis affects the vessels that supply blood to the heart muscle. Reason`:` It is ... D. If both Assertion & Reason are false.
Description : Assertion (A) : Cancer cells are virtually immortal until the body in which they reside dies. Reason`(R)`: Cancer is caused by damage to genes regulat
Last Answer : Assertion (A) : Cancer cells are virtually immortal until the body in which they reside dies. Reason ... D. If both the assertion and reason are false
Description : Assertion : Plasmodium vivax is responsible for malaria. Reason : Malaria is caused by polluted water.
Last Answer : Assertion : Plasmodium vivax is responsible for malaria. Reason : Malaria is caused by polluted water. ... If both the assertion and reason are false
Description : Assertion. Death is regarded as the most regulatory process on earth. Reason. It avoids over-crowding caused by continuous reproduction
Last Answer : Assertion. Death is regarded as the most regulatory process on earth. Reason. It avoids over-crowding ... If both the assertion and reason are false.
Description : Assertion: Aptyalism patients have higher than normal incidences of dental caries. Reason: Aptyalism is caused by the action of parasympa- thetic nerv
Last Answer : Assertion: Aptyalism patients have higher than normal incidences of dental caries. Reason: ... the action of parasympa- thetic nervous system
Description : A succession that does not follow the natural course due to human activity is
Last Answer : A succession that does not follow the natural course due to human activity is A. Subsere B. plagiosere C. prisere D. asere.
Description : How many vice presidents became presidents due to succession?
Last Answer : Through 2017, nine have ascended to the presidency. Four whenthe president died of illness, four after assassinations, and onefollowing a resignation.
Description : Crop rotation refers to : (a) method of farming without irrigation in an area of limited rainfall (b) farming done on the same land by different people turn-wise (c) growing same crop in alternate years (d) growing different crops in succession
Last Answer : Ans: (d)
Description : During ecological succession (a) the numbers and types of animals remain constant (b) the changes lead to a community that is in near equilibrium with the environment and is called pioneer community ( ... area (d) the establishment of a new biotic community is very fast in its primary phase.
Last Answer : (c) the gradual and predictable change in species composition occurs in a given area
Description : The community which starts succession at a place is termed
Last Answer : The community which starts succession at a place is termed A. Climax community B. Seral community C. Pioneer community D. Primary community
Description : Where does Succession take place?
Last Answer : during when the animal comes out of the vaginal region.
Description : Q6. During the process of ecological succession the changes that take place in communities are a. Orderly and sequential b. Random c. Very quick d. Not influenced by the physical environment.
Last Answer : 6. (a) orderly and sequential
Description : Assertion : Reptiles can be termed as first true and animals Reason : These are completely independent of water due to the development of internal fer
Last Answer : Assertion : Reptiles can be termed as first true and animals Reason : These are completely independent ... D. If both Assertion and Reason are false.
Description : Assertion `:` Lymph is the filtered blood from capillaries, which is rich in oxygen, but devoid of RBC. Reason `:` RBC can filter out due to small dia
Last Answer : Assertion `:` Lymph is the filtered blood from capillaries, which is rich in oxygen, but devoid of RBC ... . D. If both Assertion & Reason are false.
Description : Assertion `:` If the muscles of both auricles of the person permanently fail to contract due to any reason there will still be no change in his genera
Last Answer : Assertion `:` If the muscles of both auricles of the person permanently fail to contract due to any ... . D. If both Assertion & Reason are false.
Description : Assertion `:-` Emphysema is a chornnic disorder in which alveolar walls are damaged due to which respiratory surface decreases. Reason `:-` One of the
Last Answer : Assertion `:-` Emphysema is a chornnic disorder in which alveolar walls are damaged due to which ... D. If both Assertion & Reason are false.
Description : Assertion :- Big-Bang theory lalks of a singular huge explosion unimaginable in physical terms to explain the origin of universe. Reason :- Due to big
Last Answer : Assertion :- Big-Bang theory lalks of a singular huge explosion unimaginable in physical terms to explain ... D. If both Assertion & Reason are false.
Description : Assertion :- Due to continental drift pouched mammals of Australia survived. Reason :- There is lack of competition from any other mammal.
Last Answer : Assertion :- Due to continental drift pouched mammals of Australia survived. Reason :- There is lack of ... D. If both Assertion & Reason are false.
Description : Assertion :- Fossils are always reamins of hard parts of life -forms found only in rocks. Reason :- Rocks are formed due to sediments.
Last Answer : Assertion :- Fossils are always reamins of hard parts of life -forms found only in rocks. Reason :- ... . D. If both Assertion & Reason are false.
Description : Assertion: Presence of large amounts of nutrients in water body causes excessive growth of planktonic algae. Reason : It is due to biomagnifications
Last Answer : Assertion: Presence of large amounts of nutrients in water body causes excessive growth of planktonic algae. ... but reason is wrong D. Both are wrong
Description : Assertion :- In an isolated system the entropy increases due to spontanous process. Reason :- The processes in an isolated system are adiabatic.
Last Answer : Assertion :- In an isolated system the entropy increases due to spontanous process. Reason :- The ... D. If both Assertion & Reason are false.
Description : Assertion :- Lyophilic sol coagulate by adding other solvent. Reason :- Lyophilic sol are stable due to hydration energy.
Last Answer : Assertion :- Lyophilic sol coagulate by adding other solvent. Reason :- Lyophilic sol are stable due to ... D. If both Assertion & Reason are False.
Description : Assertion :- A sol of `As_(2)S_(3)` prepared by the action of `H_(2)S` on `As_(2)O_(3)` is negatively charge. Reason :- Due to adsorption of `S^(-2)`
Last Answer : Assertion :- A sol of `As_(2)S_(3)` prepared by the action of `H_(2)S` on `As_(2)O_(3) ... Reason is False. D. If both Assertion & Reason are False.
Description : Assertion : If fertilization dies not occur than the corpus luteum begins to degenerate . Reason : The levels of progesterone and estrogen decline due
Last Answer : Assertion : If fertilization dies not occur than the corpus luteum begins to degenerate . Reason : The ... D. If both Assertion & Reason are False.
Description : Assertion : The menstrual flow results due to breakdown of endometrial lining of the uterus and its blood vessels . Reason : Rapid fall in the level o
Last Answer : Assertion : The menstrual flow results due to breakdown of endometrial lining of the uterus and its blood ... D. If both Assertion & Reason are False.
Description : Assertion` :-` On repeated application of stimuli, involuntary stripled muscles undergo fatigue. Reason `:` This is due to non availability of ATP mol
Last Answer : Assertion` :-` On repeated application of stimuli, involuntary stripled muscles undergo fatigue. Reason ... . If both Assertion and Reason are false.
Description : Assertion (R) `SF_(6)` is known but `SCl_(6)` is not. Reason (R) Due to small size of F.
Last Answer : Assertion (R) `SF_(6)` is known but `SCl_(6)` is not. Reason (R) Due to small size of F.
Description : Assertion : Dry `SO_(2)` does not bleach dry flowers Reason: The bleaching action of `SO_(2)` is due to its readucing nature
Last Answer : Assertion : Dry `SO_(2)` does not bleach dry flowers Reason: The bleaching action of `SO_(2 ... Statement-I is not correct and Statement-II is correct
Description : Assertion : Bleacing action of `SO_(2)` is due to reduction Reason : Bleaching action of all bleaching agents is due to reduction
Last Answer : Assertion : Bleacing action of `SO_(2)` is due to reduction Reason : Bleaching action of all ... -I is not correct and Statement-II is correct
Description : Assertion (A) Both rhombic and monoclinic sulphur exist as `S_(8)` but oxygen exists as `O_(2)`. Reason (R ) Oxygen forms `ppi-ppi` multiple bond due
Last Answer : Assertion (A) Both rhombic and monoclinic sulphur exist as `S_(8)` but oxygen exists as `O_ ... Statement-I is not correct and Statement-II is correct
Description : Assertion A beam of electron can pass undeflected through a region of E and B. Reason Force on moving charged particle due to magnetic field may be ze
Last Answer : Assertion A beam of electron can pass undeflected through a region of E and B. Reason Force on ... to magnetic field may be zero in some cases.
Description : Assertion: Black soils are black in colour due to diffusion of iron in crystalline and metamorphic rocks. Reason: They develop deep cracks during hot weather Options: (a) Both A and R are true and R is the correct explanation of ... of A.(c) A is true but B is false. (d) A is false but R is true.
Last Answer : (d) A is false but R is true.
Description : Assertion A: Basin walls have to be of much greater height than dock walls. Reason R: Tidal basins are subject to fluctuations of levels due to tidal variations Select your answer based on the coding system given below: (A ... of A (C) A is true but R is false (D) A is false but R is true
Last Answer : (A) Both A and R is true and R is the correct explanation of A
Description : Assertion: Diversity observed in the entire geographical area is called gamma diversity. Reason: Biodiversity decreases from high altitude to low alti
Last Answer : Assertion: Diversity observed in the entire geographical area is called gamma diversity. Reason: ... If both assertion and reason are false.
Description : Assertion `:-` Small intestine is very long and has plica circularis & villi Reason `:` All these increase internal surface area of small intestine fo
Last Answer : Assertion `:-` Small intestine is very long and has plica circularis & villi Reason `:` All these ... False. D. If both Assertion & Reason are false.