STD 11 - 13. Plant growth and development — NEET STD 11 Science — Question

In the bacterial photosynthesis, hydrogen donor is

Thalamus contributes in the fruit formation in

Initiation of lateral roots and vascular cambium during secondary growth takes place in cells of :

In Pteridophytes/ Dryopteris meiosis occurs at the time of

Transport of food material in higher plants takes place through

In chlamydomonas the meiosis occurs in

Which organization publishes the ‘Red Data Book’ ?

In Ipomoea batatas/Sweet potato the food is stored in

Which of the following statements is true regarding cell cycle ?
(i) Cell growth (in terms of cytoplasmic increase) is a continuous process.
(ii) DNA synthesis occurs only during one specific stage in the cell cycle.
(ii) The replicated chromosomes (DNA) are distributed to daughter nuclei.
(iv) Human cells divide once in approximately every 90 minutes.
(v) Duration of cell cycle can vary from organism to organism and also from cell type to cell type.
(vi) Cell cycle in yeast completed in about 24 hours.