Which one of the following is not required for photosynthesis CO_2 H_2O Light Ch

Question

Which one of the following is not required for photosynthesis CO_2 H_2O Light Chlorophylls O_2 The major pigments for photosynthesis is xanthophyll chlorophyll a & b carotenoids All of the above Dark reaction (Calvin cycle) can not occur during the day True False Which is/are not a Light reaction product(s) Glucose CO_2 ATPs NADPH Both A&B; Light reaction occurs in the Stroma Mitochondria Thylakoid membrane in the granum Cytoplasm Which is a Dark reaction product? _6H_12O_6 O_2 H_2O None of the above In a laboratory experiment, several dyes were spotted on a highly absorbent paper. The paper was placed In a beaker so that the edge near the spotted dyes of the paper touched the solvent. The dyes migrated upward to d. Herent distances along with the solvent movement for an hour. The technique used here it called staining ultracentrifuge chromatography dialysis Referring to the above experiment, the ratio of the distance the dyes migrated to the distance the solvent migrated is called Running factor Distance factor Retention or retardation factor Migration factor The numerical value of the 'factor' based on your answer of question 8. can be more than one. is the statement true or false? True False In the experiment in question 7, one of the dyes traveled 5 cm. while the solvent front traveled 10 cm from the origin line. The "factor- (based on your choice of answer in question 8) value is ____ 5 0.5 50 0.5 cm

Explanation / Answer

1 (e) oxygen (it is a byproduct of photosynthesis)

2 (b) chl 'a' and 'b' (carotenoids and xanthophylls are accessory pigments)

3 false ( dark reaction can occur in both dark or light)

4 e ( both a and b) in light reaction assimilatory power is produced ATP AND NADPH

5 c thylakoid membranr (has chlorophyll pigments to trap light energy)

6.A C6H12O6 is formed

7.c Chromatography

8. C retention or retardation factor ( Rf value )

9. False (as distance travelled by solvent is more)

10 b 0.5 ( Rf= 5cm/ 10cm) distance migrated by dye/distance travelled by solvent

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