The figure given below is a diagrammatic representation of the response of organisms to abiotic factors. What do A, B, and C represent respectively?
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A
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B
|
C
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Conformer |
Regulator |
Partial regulator |
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A |
B |
C |
|
Regulator |
Partial regulator |
Conformer |
|
A
|
B
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C
|
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Partial regulator |
regulator | conformer |
|
A
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B
|
C
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|
Partial regulator |
regulator | conformer |
D.
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A
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B
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C
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Partial regulator |
regulator | conformer |
a) Regulator - mammals and birds
b) Conformer - all plants and 99% animals
c) Partial regulators -
Which one of the following statemtents about morula in human is correct?
It has almost equal quantity of cytoplasm as an uncleaved zygote but much more DNA
It has far less cytoplasm as well as less DNA than in an uncleaved zygote
It has more or less equal quantity of cytoplasm and DNA as in uncleaved zygote
It has more or less equal quantity of cytoplasm and DNA as in uncleaved zygote
Which one of the following is most appropriately defined?
Host is an organism, which provides food to another organism
Amensalism is a relationship in which one species is benefited whereas the other is unaffected
Predator is an organism that catches and kills other organism for food
Predator is an organism that catches and kills other organism for food
A country with a high rate of population growth took measures to reduce it. The figure below shows age-sex pyramids of populations. A and B twenty years apart. Select the correct interpretation about them
Interpretations
'A' is more recent and shows slight reduction in the growth rate
'B' is earlier pyramid and shows stabilised
'B' is more recent showing that population is very young
'B' is more recent showing that population is very young
Some hyperthermophilic organisms that grow in highly acidic (pH2) habitats belongs to the two groups called
eubacteria and archaea
cyanobacteria and diatoms
protists and mosses
protists and mosses
