Nitrogen fixer d. C . Emerson's enhancement effect and Red drop have been instrumental in the discovery of (NEET PHASE I ) a. two photosystems operating simultaneously b.
photophosphorylation and cyclic electron transport c. oxidative phosphorylation d. photophosphorylation and non-cyclic electron transport . The process which makes major difference between C and C plants is (NEET PHASE II ) a.
glycolysis b. calvin cycle c. photorespiration d. respiration .
In a chloroplast the highest number of protons are found in (NEET PHASE I ) a. lumen of thylakoids b. inter membrane space c. antennae complex d.
stroma . Oxidative phosphorylation is (NEET ) a. formation of ATP by transfer of phosphate group from a substrate to ADP b. oxidation of phosphate group in ATP c.
Aaddition of phosphate group to ATP d. formation of ATP by energy released from electrons during substrate oxidation. Which one of the following acids is derivative of carotenoids (AIPMT ) a. Abscisic acid b.
Indole butyric acid c. Indole – acetic d. Gibberellic acid . Photoperiodism was first characterized in (AIPMT ) a.
Cotton b. Tobacco c. Potato d. Tomato .
One of the commonly used plant growth hormone in tea plantations is (AIPMT ) a. Abscisic acid b. Zeatin c. Indole – – acetic acid d.
Ethylene . Root development is promoted by (AIPMT ) a. Auxin b. Gibberellin c.
Ethylene d. Abscisic acid . Senscence as an active developmental cellular process in the growth and functioning of a flowering plant is indicated in (AIPMT ) a. Annual plants b.
Floral plants c. Vessels and Tracheid differentiation d. Leaf abscission . You are given a tissue with its potential for differentiation in an artificial culture.
Which of the following pairs of hormones would you add to the medium to secure shoots as well as roots? (NEET ) a. Gibberellin and abscissic acid b. IAA and gibberellins c.
Auxin and cytokinin d. Auxin and abscisic acid . Phytochrome is a (NEET ) a. Chromo protein b.
Flavo protein c. Glyco protein d. Lipo