MCQ
Kreb's cycle is completed with the formation of
- ACitric acid
- ✓Oxaloacetic acid $(OAA)$
- CSuccinic acid
- DMalic acid
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$I.$ hypodermis $II.$ cortical layer
$III.$ pericycle $IV.$ endodermis $V.$ epidermis
$B.$ Selaginella is advance among pteridophytes as it produces seeds
$C.$ Pinus leaves are monomorphic, pinnate compound and have sunken stomata as adaptation against transpiration
$D.$ Sporic meiosis is characteristic of life cycle in many organisms like Volvox, Chlamydomonas and Ulothrix.