The vegetative cell is
Small, has large irregularly shaped nucleus
Large, has large irregularly shaped nucleus
Large with spindle shaped nucleus
Small, spindle shaped nucleus
Which one of the following statements is not true?
The microspore tetrad of angiosperm at the time of formation, are surrounded by a callose wall. Breakdown of this wall is brought about by the enzyme callase synthesized by the
The innermost wall layer of anther
An organic substance that can withstand environmental extremes and cannot be degraded by any enzyme is