344260
Which of the following is not a parasitic adaptation?
1 Loss of unnecessary sense organs
2 Absence of adhesive organs or suckers
3 Loss of digestive system
4 High reproductive capacity
Explanation:
In addition to all other parasitic adaptations like loss of unnecessary sense organs, loss of digestive system and high reproductive capacity, parasites also show the presence of adhesive organs or suckers which help them to cling or attach to the host organism.
KCET - 2024
BIOXII13: ORGANISMS AND POPULATION
344261
Statement A : The eggs of the parasitic bird have evolved to resemble the host's egg in size and colour to reduce the chances of the host bird detecting the foreign eggs and ejecting them from the nest. Statement B : Koel is the host and crow is the parasite
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
The eggs of the parasitic bird have evolved to resemble the host's egg in size and colour to reduce the chances of the host bird detecting the foreign eggs and ejecting them from the nest. The Asian koel like many of its related cuckoo kin is a brood parasite that lays its eggs in the nests of crows and other hosts, who raise its young. They are unusual among the cuckoos in being largely frugivorous as adults. The name koel is echoic in origin with several language variants So, statement A is correct
BIOXII13: ORGANISMS AND POPULATION
344262
Which of the following is an incorrect statement?
1 The human liver fluke depends on two intermediate hosts to complete its life cycle.
2 The malarial parasite needs vector (mosquito) to spread to other host.
3 Parasites that feed on external surface of the host organism are called endoparasites.
4 Cuscuta derives its nutrition from the host plant which it parasitises.
Explanation:
Parasites that feed on the external surface of the host organism are called ectoparasites. The most familiar examples of this group are the lice on humans and ticks on dogs.
BIOXII13: ORGANISMS AND POPULATION
344263
Cuscuta, a parasite plant that is commonly found growing on hedge plants has lost its____and ____ in the course of evolution
1 Root and chlorophyll
2 Chlorophyll and Leaves
3 Root and leaves
4 Leaves and stem
Explanation:
Chlorophyll and Leaves
BIOXII13: ORGANISMS AND POPULATION
344264
Choose the incorrect statement.
1 Parasite might render the host more vulnerable to predation by making it physically better.
2 Majority of the parasites harm the host and reduce the population density
3 Malarial parasite need a vector (mosquito) to spread to other host
4 The human liver fluke depends on two intermediate hosts (a snail and a fish) to complete its life cycle.
Explanation:
Parasite might render the host more vulnerable to predation by making it physically better; is incorrect statement.
344260
Which of the following is not a parasitic adaptation?
1 Loss of unnecessary sense organs
2 Absence of adhesive organs or suckers
3 Loss of digestive system
4 High reproductive capacity
Explanation:
In addition to all other parasitic adaptations like loss of unnecessary sense organs, loss of digestive system and high reproductive capacity, parasites also show the presence of adhesive organs or suckers which help them to cling or attach to the host organism.
KCET - 2024
BIOXII13: ORGANISMS AND POPULATION
344261
Statement A : The eggs of the parasitic bird have evolved to resemble the host's egg in size and colour to reduce the chances of the host bird detecting the foreign eggs and ejecting them from the nest. Statement B : Koel is the host and crow is the parasite
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
The eggs of the parasitic bird have evolved to resemble the host's egg in size and colour to reduce the chances of the host bird detecting the foreign eggs and ejecting them from the nest. The Asian koel like many of its related cuckoo kin is a brood parasite that lays its eggs in the nests of crows and other hosts, who raise its young. They are unusual among the cuckoos in being largely frugivorous as adults. The name koel is echoic in origin with several language variants So, statement A is correct
BIOXII13: ORGANISMS AND POPULATION
344262
Which of the following is an incorrect statement?
1 The human liver fluke depends on two intermediate hosts to complete its life cycle.
2 The malarial parasite needs vector (mosquito) to spread to other host.
3 Parasites that feed on external surface of the host organism are called endoparasites.
4 Cuscuta derives its nutrition from the host plant which it parasitises.
Explanation:
Parasites that feed on the external surface of the host organism are called ectoparasites. The most familiar examples of this group are the lice on humans and ticks on dogs.
BIOXII13: ORGANISMS AND POPULATION
344263
Cuscuta, a parasite plant that is commonly found growing on hedge plants has lost its____and ____ in the course of evolution
1 Root and chlorophyll
2 Chlorophyll and Leaves
3 Root and leaves
4 Leaves and stem
Explanation:
Chlorophyll and Leaves
BIOXII13: ORGANISMS AND POPULATION
344264
Choose the incorrect statement.
1 Parasite might render the host more vulnerable to predation by making it physically better.
2 Majority of the parasites harm the host and reduce the population density
3 Malarial parasite need a vector (mosquito) to spread to other host
4 The human liver fluke depends on two intermediate hosts (a snail and a fish) to complete its life cycle.
Explanation:
Parasite might render the host more vulnerable to predation by making it physically better; is incorrect statement.
344260
Which of the following is not a parasitic adaptation?
1 Loss of unnecessary sense organs
2 Absence of adhesive organs or suckers
3 Loss of digestive system
4 High reproductive capacity
Explanation:
In addition to all other parasitic adaptations like loss of unnecessary sense organs, loss of digestive system and high reproductive capacity, parasites also show the presence of adhesive organs or suckers which help them to cling or attach to the host organism.
KCET - 2024
BIOXII13: ORGANISMS AND POPULATION
344261
Statement A : The eggs of the parasitic bird have evolved to resemble the host's egg in size and colour to reduce the chances of the host bird detecting the foreign eggs and ejecting them from the nest. Statement B : Koel is the host and crow is the parasite
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
The eggs of the parasitic bird have evolved to resemble the host's egg in size and colour to reduce the chances of the host bird detecting the foreign eggs and ejecting them from the nest. The Asian koel like many of its related cuckoo kin is a brood parasite that lays its eggs in the nests of crows and other hosts, who raise its young. They are unusual among the cuckoos in being largely frugivorous as adults. The name koel is echoic in origin with several language variants So, statement A is correct
BIOXII13: ORGANISMS AND POPULATION
344262
Which of the following is an incorrect statement?
1 The human liver fluke depends on two intermediate hosts to complete its life cycle.
2 The malarial parasite needs vector (mosquito) to spread to other host.
3 Parasites that feed on external surface of the host organism are called endoparasites.
4 Cuscuta derives its nutrition from the host plant which it parasitises.
Explanation:
Parasites that feed on the external surface of the host organism are called ectoparasites. The most familiar examples of this group are the lice on humans and ticks on dogs.
BIOXII13: ORGANISMS AND POPULATION
344263
Cuscuta, a parasite plant that is commonly found growing on hedge plants has lost its____and ____ in the course of evolution
1 Root and chlorophyll
2 Chlorophyll and Leaves
3 Root and leaves
4 Leaves and stem
Explanation:
Chlorophyll and Leaves
BIOXII13: ORGANISMS AND POPULATION
344264
Choose the incorrect statement.
1 Parasite might render the host more vulnerable to predation by making it physically better.
2 Majority of the parasites harm the host and reduce the population density
3 Malarial parasite need a vector (mosquito) to spread to other host
4 The human liver fluke depends on two intermediate hosts (a snail and a fish) to complete its life cycle.
Explanation:
Parasite might render the host more vulnerable to predation by making it physically better; is incorrect statement.
344260
Which of the following is not a parasitic adaptation?
1 Loss of unnecessary sense organs
2 Absence of adhesive organs or suckers
3 Loss of digestive system
4 High reproductive capacity
Explanation:
In addition to all other parasitic adaptations like loss of unnecessary sense organs, loss of digestive system and high reproductive capacity, parasites also show the presence of adhesive organs or suckers which help them to cling or attach to the host organism.
KCET - 2024
BIOXII13: ORGANISMS AND POPULATION
344261
Statement A : The eggs of the parasitic bird have evolved to resemble the host's egg in size and colour to reduce the chances of the host bird detecting the foreign eggs and ejecting them from the nest. Statement B : Koel is the host and crow is the parasite
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
The eggs of the parasitic bird have evolved to resemble the host's egg in size and colour to reduce the chances of the host bird detecting the foreign eggs and ejecting them from the nest. The Asian koel like many of its related cuckoo kin is a brood parasite that lays its eggs in the nests of crows and other hosts, who raise its young. They are unusual among the cuckoos in being largely frugivorous as adults. The name koel is echoic in origin with several language variants So, statement A is correct
BIOXII13: ORGANISMS AND POPULATION
344262
Which of the following is an incorrect statement?
1 The human liver fluke depends on two intermediate hosts to complete its life cycle.
2 The malarial parasite needs vector (mosquito) to spread to other host.
3 Parasites that feed on external surface of the host organism are called endoparasites.
4 Cuscuta derives its nutrition from the host plant which it parasitises.
Explanation:
Parasites that feed on the external surface of the host organism are called ectoparasites. The most familiar examples of this group are the lice on humans and ticks on dogs.
BIOXII13: ORGANISMS AND POPULATION
344263
Cuscuta, a parasite plant that is commonly found growing on hedge plants has lost its____and ____ in the course of evolution
1 Root and chlorophyll
2 Chlorophyll and Leaves
3 Root and leaves
4 Leaves and stem
Explanation:
Chlorophyll and Leaves
BIOXII13: ORGANISMS AND POPULATION
344264
Choose the incorrect statement.
1 Parasite might render the host more vulnerable to predation by making it physically better.
2 Majority of the parasites harm the host and reduce the population density
3 Malarial parasite need a vector (mosquito) to spread to other host
4 The human liver fluke depends on two intermediate hosts (a snail and a fish) to complete its life cycle.
Explanation:
Parasite might render the host more vulnerable to predation by making it physically better; is incorrect statement.
344260
Which of the following is not a parasitic adaptation?
1 Loss of unnecessary sense organs
2 Absence of adhesive organs or suckers
3 Loss of digestive system
4 High reproductive capacity
Explanation:
In addition to all other parasitic adaptations like loss of unnecessary sense organs, loss of digestive system and high reproductive capacity, parasites also show the presence of adhesive organs or suckers which help them to cling or attach to the host organism.
KCET - 2024
BIOXII13: ORGANISMS AND POPULATION
344261
Statement A : The eggs of the parasitic bird have evolved to resemble the host's egg in size and colour to reduce the chances of the host bird detecting the foreign eggs and ejecting them from the nest. Statement B : Koel is the host and crow is the parasite
1 Statement A is correct but Statement B is incorrect.
2 Statement A is incorrect but Statement B is correct.
3 Both statements are correct.
4 Both Statements are incorrect.
Explanation:
The eggs of the parasitic bird have evolved to resemble the host's egg in size and colour to reduce the chances of the host bird detecting the foreign eggs and ejecting them from the nest. The Asian koel like many of its related cuckoo kin is a brood parasite that lays its eggs in the nests of crows and other hosts, who raise its young. They are unusual among the cuckoos in being largely frugivorous as adults. The name koel is echoic in origin with several language variants So, statement A is correct
BIOXII13: ORGANISMS AND POPULATION
344262
Which of the following is an incorrect statement?
1 The human liver fluke depends on two intermediate hosts to complete its life cycle.
2 The malarial parasite needs vector (mosquito) to spread to other host.
3 Parasites that feed on external surface of the host organism are called endoparasites.
4 Cuscuta derives its nutrition from the host plant which it parasitises.
Explanation:
Parasites that feed on the external surface of the host organism are called ectoparasites. The most familiar examples of this group are the lice on humans and ticks on dogs.
BIOXII13: ORGANISMS AND POPULATION
344263
Cuscuta, a parasite plant that is commonly found growing on hedge plants has lost its____and ____ in the course of evolution
1 Root and chlorophyll
2 Chlorophyll and Leaves
3 Root and leaves
4 Leaves and stem
Explanation:
Chlorophyll and Leaves
BIOXII13: ORGANISMS AND POPULATION
344264
Choose the incorrect statement.
1 Parasite might render the host more vulnerable to predation by making it physically better.
2 Majority of the parasites harm the host and reduce the population density
3 Malarial parasite need a vector (mosquito) to spread to other host
4 The human liver fluke depends on two intermediate hosts (a snail and a fish) to complete its life cycle.
Explanation:
Parasite might render the host more vulnerable to predation by making it physically better; is incorrect statement.
