Haemocyanin, the blue colouring pigment of molluscan blood contains

1.  magnesium
2.  copper
3.  iron
4.  manganese

54%

1

2

3

4

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Q160:

Direction: In each of the following questions statement of Assertion is given followed by corresponding statement of Reason. Of the statements, mark the correct answer as

Assertion (A) A genetic probe is helpful in the detection of a specific DNA sequence.
Reason (R) Genetic probe is a radiolabelled C-DNA, which has a complementary base sequence, to DNA fragment which is to be detected.

1.  Both Assertion and Reason are true and Reason is the correct explanation of Assertion
2.  Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion
3.  Assertion is true, but Reason is false
4.  Both Assertion and Reason are false

62%

1

2

3

4

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Q161:

Direction: In each of the following questions statement of Assertion is given followed by corresponding statement of Reason. Of the statements, mark the correct answer as

Assertion (A)Inhibition or death of one organism by another through the production of some byproduct is known as antibiosis.
Reason (R) Antibiosis is a type of negative interaction.

1.  Both Assertion and Reason are true and Reason is the correct explanation of Assertion
2.  Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion
3.  Assertion is true, but Reason is false
4.  Both Assertion and Reason are false

1

2

3

4

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Q162:

Direction: In each of the following questions statement of Assertion is given followed by corresponding statement of Reason. Of the statements, mark the correct answer as

Assertion (A) Maize is an albuminous seed.
Reason (R) Its endosperm is completely absorbed by its growing embryo.

1.  Both Assertion and Reason are true and Reason is the correct explanation of Assertion
2.  Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion
3.  Assertion is true, but Reason is false
4.  Both Assertion and Reason are false

51%

1

2

3

4

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Q163:

Direction: In each of the following questions statement of Assertion is given followed by corresponding statement of Reason. Of the statements, mark the correct answer as

Assertion (A) Non-sense codon is responsible for termination of the peptide chain.
Reason (R) Non - sense codons are not recognized by tRNA.

1.  Both Assertion and Reason are true and Reason is the correct explanation of Assertion
2.  Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion
3.  Assertion is true, but Reason is false
4.  Both Assertion and Reason are false

51%

1

2

3

4

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Q164:

Direction: In each of the following questions statement of Assertion is given followed by corresponding statement of Reason. Of the statements, mark the correct answer as

Assertion (A)The rate of decomposition of detritus is reduced in the regions of high altitude.
Reason (R) It happen due to immobilization of nutrients.

1.  Both Assertion and Reason are true and Reason is the correct explanation of Assertion
2.  Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion
3.  Assertion is true, but Reason is false
4.  Both Assertion and Reason are false

1

2

3

4

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Q165:

Direction: In each of the statement of the following question of Assertion is given followed by the corresponding statement of Reason. Of the statements, mark the correct answer as

Assertion (A) CAM plants lack structural compartment atom of the leaf as found in

plants.
Reason (R) Stomata of CAM plants are open during the day.

1.  Both Assertion and Reason are true and Reason is the correct explanation of Assertion
2.  Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion
3.  Assertion is true, but Reason is false
4.  Both Assertion and Reason are false

1

2

3

4

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Q166:

Direction: In each of the following questions statement of Assertion is given followed by corresponding statement of Reason. Of the statements, mark the correct answer as

Assertion (A) From evolutionary point of view, human gestation period is believed to be shortening.
Reason (R) One major evolutionary trend in human has been larger head undergoing relatively faster growth rate in the foetal stage.

1.  Both Assertion and Reason are true and Reason is the correct explanation of Assertion
2.  Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion
3.  Assertion is true, but Reason is false
4.  Both Assertion and Reason are false

1

2

3

4

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Q167:

Direction: In each of the following questions statement of Assertion is given followed by corresponding statement of Reason. Of the statements, mark the correct answer as

Assertion (A) A chemical substance fertilizin is founded in the egg of animals.
Reason (R) It helps in the maturation of embryo after fertilization.

1.  Both Assertion and Reason are true and Reason is the correct explanation of Assertion
2.  Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion
3.  Assertion is true, but Reason is false
4.  Both Assertion and Reason are false

1

2

3

4

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Q168:

Direction: In each of the following questions statement of Assertion is given followed by corresponding statement of Reason. Of the statements, mark the correct answer as

Assertion (A) Dipnoi subclass of Pisces are rare class which has an evolutionary link between Pisces and Amphibia.
Reason (R) The presence of lungs in Protopterus make it able to breathe in the air.

1.  Both Assertion and Reason are true and Reason is the correct explanation of Assertion
2.  Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion
3.  Assertion is true, but Reason is false
4.  Both Assertion and Reason are false

1

2

3

4

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Haemocyanin, the blue colouring pigment of molluscan blood contains

1.  magnesium
2.  copper
3.  iron
4.  manganese

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Haemocyanin, the blue colouring pigment of molluscan blood contains 1. magnesium2. copper3. iron4. manganese

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Haemocyanin, the blue colouring pigment of molluscan blood contains

1. magnesium
2. copper
3. iron
4. manganese