During dark phase of photosynthesis ______ is oxidized and ______ is reduced

Related MCQs

• During light phase of photosynthesis ______ is oxidized and ______ is reduced.
• Match appropriate pairs. Column - I Column - II (P) Juvenile phase (i) Cell produed duringmeiosis (Q) Gametogenesis phase (ii) Conjugation phase of heterogenous meiotic cells (R) Gamete transfer phase (iii) Phase during which specific maturation occurs (S) Fertile phase (iv) The phase during which heterogenous meiotic division occur
• Match the names of scientists given under Column – I with their important contributions given under Column – II ; choose the answer which gives correct combination of the alphabets : Column – I(Scientists) Column – II(Contributions) P. Peter Mitchell (i) Steps of dark reaction of photosynthesis. Q. J.W. Gibbas (ii) Photosynthetic phosphorylation R. Danial Arnon (iii) Concept of free energy S. Melvin Calvin (iv) Chemiosmotic hypothesis (v) Mass flow hypothesis
• Which of the following statement is/are correct for prophase of mitosis ? (i) At the end of this phase nuclear membrane and nucleolus disintegrate. (ii) At the end of this phase two chromosome and a centromere holding them together. (iii) This phase begins with the condensation of chromatids along their lengths.
• Select the correct option from Column-I and Column-II. Column-I Column-II (A) G1 phase (p) Synthesis of new DNA (B) G2 phase (q) Synthesis of DNA does not occur (C) S phase (r) DNA synthesis stops
• One plant group kept for 12 hrs in day and 12 hrs in night and flowering is observed in it. Another plant group is kept similarly for day - night period and for very short time light is given during dark period it do not flower. What is such type of plant called ? (CBSE 2004)
• Assertion (A) : Phase of cell division is also known as dividing phase. Reason (R) : In mitotic phase new cells are produced from pre-existing cells through meiosis division.
• Choose the correct option for the prosses of spermatoyenesis from column I, column II Column-I Column-II (P) Multiplication Phase (i) Sperm (Q) The growth Phase (ii) Spermatogonium (R) The maturation Phase (iii) Primary Spermatocyte (S) Spermiogenesis (iv) Spermatids
• If temporary light is made available for dark phase of long day plant, what is observed ?
• One of the following is electron donor to P680 during light reactions of photosynthesis.