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1
AIIMS 2019
MCQ (Single Correct Answer)
+1
-0.33

Assertion : In $$\mathrm{C}_3$$ cycle, the first stable compound is $$3 \mathrm{C}$$ compound.

Reason : In $$\mathrm{C}_4$$ plants, Calvin cycle is absent.

A
If both assertion and reason are true and reason is the correct explanation of assertion.
B
If both assertion and reason are true, but reason is not the correct explanation of assertion.
C
If assertion is true, but reason is false.
D
If both assertion and reason are false.
2
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33

$$\mathrm{C}_4$$ pathway is advantageous over $$\mathrm{C}_3$$ pathway in plants, because it

A
occurs in relatively low $$\mathrm{CO}_2$$ concentration
B
uses more amount of water
C
occurs in relatively low $$\mathrm{O}_2$$ concentration
D
is less efficient in energy utilisation
3
AIIMS 2018
MCQ (Single Correct Answer)
+1
-0.33

Assertion Non-cyclic photophosphorylation occurs in the stroma of chloroplasts.

Reason There is discontinuous flow of electrons in this process.

A
Both A and R are true and R is the correct explanation of A
B
Both A and R are true, but R is not the correct explanation of A
C
A is true, but R is false
D
A and R are false
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Biomolecules Cell Cycle and Cell Division Sexual Reproduction in Flowering Plants Microbes in Human Welfare Anatomy of Flowering Plants Transport in Plants Mineral Nutrition Respiration in Plants Biotechnology: Principles and Processes Biodiversity and Conservation Biological Classification Morphology of Flowering Plants Photosynthesis in Higher Plants Principles of Inheritance and Variation Molecular Basis of Inheritance Strategies for Enhancement in Food Production Biotechnology and It's Applications Organisms and Populations Environmental Issues Plant Kingdom Plant Growth and Development Ecosystem
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