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The first step in photosynthesis is the

Joining of 3-carbon atom to form Glucose
Formation of ATP
Ionization of water
Excitement of an electron of chlorophyll by photon of light
Additional Questions

In sugarcane plant, 14CO2 is fixed in malic acid, in which the enzyme that fixes CO2 is:

Answer

In higher plants, continuity of cytoplasm from one cell to its neighbouring cells is established through

Answer

Ganong's respiroscope is used to demonstrate

Answer

Carbohydrates are commonly found as starch in plant storage organs. Which of the following five properties of starch (a - e) make it useful as a storage material?

(a) Easily translocated

(b) Chemically non-reactive

(c) Easily digested by animals

(d) Osmotically inactive

(e) Synthesized during photosynthesis

The useful properties are:

Answer

Match the phenomenon listed under column I with those listed under column II. Select the correct answer from the options given.

Column I Column II
AWarburg effectpChange in gene frequency by chance
BPasteur effectqPostponing severance in the leaves by applying cytokinin
CEmerson effectrDecline in the consumption of respiratory substrate due to a change from anaerobic to aerobic respiration
DWright effectsInhibitory effect of O2 on photosynthesis
tEnhancement of photosynthesis by subjecting chlorophyll to the effect two different wavelengths of light

Answer

Assertion: Rhoeo leaves contain anthocyanin pigments in epidermal cells.

Reason: Anthocyanins are accessory photosynthetic pigments.

Answer

Photo-oxidation or photolysis of water (in photosynthesis ) occurs in association of

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Photosynthesis cannot continue for long if during light reaction, only cyclic photophosphorylation takes place. This is because

Answer

______ ions help in photolysis of water.

Answer

RUBISCO enzyme is also called as ______.

Answer
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