NEET Botany Plant Kingdom MCQs

The 'glycolate metabolism' pathway in some Chlorophyceae involves a unique organelle. Which one is it, and what is its primary function in this context?

Certain Chlorophyceae demonstrate a unique adaptation to nitrogen-deficient environments. What specialized cellular structure enables this adaptation, and what is its primary function?

The protein-rich storage bodies found within the chloroplasts of Chlamydomonas are crucial for survival under stressful conditions. What is the specific name for these structures, and what is their primary composition?

In Volvox, a colonial Chlorophyceae, cytoplasmic connections between cells play a crucial role in coordinating movement and other functions. What is the specific term for these connections, and what is their primary structural composition?

In some algae, the pyrenoids are surrounded by a sheath of starch plates. This characteristic is primarily found in:

Which feature distinguishes Gnetum from other gymnosperms and aligns it more closely with angiosperms?

In a tetrasporangiate anther, the number of microspore mother cells required to produce 100 pollen grains is:

Which of the following combinations of floral characteristics is MOST likely to be associated with wind pollination?

In heterosporous pteridophytes, the development of the male gametophyte predominantly occurs:

Which gymnosperm exhibits a unique fertilization mechanism involving a pollen tube that grows towards the archegonia but does NOT directly discharge the male gametes into the archegonium?