344279
An interaction where one species is harmed while the other is unaffected is called
1 Commensalism
2 Competition
3 Amensalism
4 Parasitism
Explanation:
In amensalism, one species is inhibited by toxic secretion of another species. Inhibitor species is neither benefited nor harmed.
NCERT Exemplar
BIOXII13: ORGANISMS AND POPULATION
344280
Identify the incorrect pair regarding populations interactions I. Human- Lice II. Dogs- Ticks III. Cuscuta- Hedge plant IV. Marine fishes - Copepods
1 I, II
2 II, III
3 III only
4 None
Explanation:
Regarding populations interactions I. Human- Lice II. Dogs- Ticks III. Cuscuta- Hedge plant
BIOXII13: ORGANISMS AND POPULATION
344281
In a field experiment, when all the starfish were removed from an enclosed intertidal area,____ became extinct within a year
1 Less than 10 species of vertebrates
2 More than 10 species of invertebrates
3 More than 10 species of vertebrates
4 Less than 10 species of invertebrates
Explanation:
More than 10 species of invertebrates became extinct within a year
BIOXII13: ORGANISMS AND POPULATION
344282
Which one of the following statements cannot be connected to Predation?
1 It might lead to extinction of a species
2 Both the interacting species are negatively impacted
3 It is necessitated by nature to maintain the ecological balance
4 It helps in maintaining species diversity in a community
Explanation:
In predation, only one species (predator) benefits while the other (prey) is harmed. Both interacting species are negatively impacted in case of competition.
344279
An interaction where one species is harmed while the other is unaffected is called
1 Commensalism
2 Competition
3 Amensalism
4 Parasitism
Explanation:
In amensalism, one species is inhibited by toxic secretion of another species. Inhibitor species is neither benefited nor harmed.
NCERT Exemplar
BIOXII13: ORGANISMS AND POPULATION
344280
Identify the incorrect pair regarding populations interactions I. Human- Lice II. Dogs- Ticks III. Cuscuta- Hedge plant IV. Marine fishes - Copepods
1 I, II
2 II, III
3 III only
4 None
Explanation:
Regarding populations interactions I. Human- Lice II. Dogs- Ticks III. Cuscuta- Hedge plant
BIOXII13: ORGANISMS AND POPULATION
344281
In a field experiment, when all the starfish were removed from an enclosed intertidal area,____ became extinct within a year
1 Less than 10 species of vertebrates
2 More than 10 species of invertebrates
3 More than 10 species of vertebrates
4 Less than 10 species of invertebrates
Explanation:
More than 10 species of invertebrates became extinct within a year
BIOXII13: ORGANISMS AND POPULATION
344282
Which one of the following statements cannot be connected to Predation?
1 It might lead to extinction of a species
2 Both the interacting species are negatively impacted
3 It is necessitated by nature to maintain the ecological balance
4 It helps in maintaining species diversity in a community
Explanation:
In predation, only one species (predator) benefits while the other (prey) is harmed. Both interacting species are negatively impacted in case of competition.
344279
An interaction where one species is harmed while the other is unaffected is called
1 Commensalism
2 Competition
3 Amensalism
4 Parasitism
Explanation:
In amensalism, one species is inhibited by toxic secretion of another species. Inhibitor species is neither benefited nor harmed.
NCERT Exemplar
BIOXII13: ORGANISMS AND POPULATION
344280
Identify the incorrect pair regarding populations interactions I. Human- Lice II. Dogs- Ticks III. Cuscuta- Hedge plant IV. Marine fishes - Copepods
1 I, II
2 II, III
3 III only
4 None
Explanation:
Regarding populations interactions I. Human- Lice II. Dogs- Ticks III. Cuscuta- Hedge plant
BIOXII13: ORGANISMS AND POPULATION
344281
In a field experiment, when all the starfish were removed from an enclosed intertidal area,____ became extinct within a year
1 Less than 10 species of vertebrates
2 More than 10 species of invertebrates
3 More than 10 species of vertebrates
4 Less than 10 species of invertebrates
Explanation:
More than 10 species of invertebrates became extinct within a year
BIOXII13: ORGANISMS AND POPULATION
344282
Which one of the following statements cannot be connected to Predation?
1 It might lead to extinction of a species
2 Both the interacting species are negatively impacted
3 It is necessitated by nature to maintain the ecological balance
4 It helps in maintaining species diversity in a community
Explanation:
In predation, only one species (predator) benefits while the other (prey) is harmed. Both interacting species are negatively impacted in case of competition.
NEET Test Series from KOTA - 10 Papers In MS WORD
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BIOXII13: ORGANISMS AND POPULATION
344279
An interaction where one species is harmed while the other is unaffected is called
1 Commensalism
2 Competition
3 Amensalism
4 Parasitism
Explanation:
In amensalism, one species is inhibited by toxic secretion of another species. Inhibitor species is neither benefited nor harmed.
NCERT Exemplar
BIOXII13: ORGANISMS AND POPULATION
344280
Identify the incorrect pair regarding populations interactions I. Human- Lice II. Dogs- Ticks III. Cuscuta- Hedge plant IV. Marine fishes - Copepods
1 I, II
2 II, III
3 III only
4 None
Explanation:
Regarding populations interactions I. Human- Lice II. Dogs- Ticks III. Cuscuta- Hedge plant
BIOXII13: ORGANISMS AND POPULATION
344281
In a field experiment, when all the starfish were removed from an enclosed intertidal area,____ became extinct within a year
1 Less than 10 species of vertebrates
2 More than 10 species of invertebrates
3 More than 10 species of vertebrates
4 Less than 10 species of invertebrates
Explanation:
More than 10 species of invertebrates became extinct within a year
BIOXII13: ORGANISMS AND POPULATION
344282
Which one of the following statements cannot be connected to Predation?
1 It might lead to extinction of a species
2 Both the interacting species are negatively impacted
3 It is necessitated by nature to maintain the ecological balance
4 It helps in maintaining species diversity in a community
Explanation:
In predation, only one species (predator) benefits while the other (prey) is harmed. Both interacting species are negatively impacted in case of competition.
