In light reaction the reaction centre of PSII  receives electron from water molecules by splitting into oxygen, If 5 oxygen molecules evolved per 50 quanta was

absorbed then what is the quantum yield?

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#Question id: 31331

#Unit 7. System Physiology – Animal

Which of the following has the greatest effect on the ability of blood to transport oxygen?

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#Question id: 12924

#Unit 13. Methods in Biology

In order to quantify unknown DNA templates, a standard dilution is prepared using DNA of known concentration. As the DNA accumulates during the early exponential phase of the reaction,an arbitrary point is taken where each of the diluted DNA samples cross. This is termed as_____

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#Question id: 15733

#Unit 12. Applied Biology

Embryo culture technique is applied to

1. Overcome seed dormancy

2. Prevention of embryo abortion in wide crosses

3. Formation of protoplast

4. Shortening of breeding cycle

Which option has incorrect statement

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#Question id: 12703

#Unit 8. Inheritance Biology

In the plants, due to mutation in the mitochondrial genome causing cytoplasmic male sterility can be influenced by the nuclear gene (Rf),  which is dominant over the cytoplasmic mitochondrial genome. If a male sterile plant  is pollinated by the fertile male plant with homozygous (Rf)condition, the progeny obtained in F1 will have

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#Question id: 32294

#Unit 1. Molecules and their Interaction Relevant to Biology

Identify the structure shown