Biology questions
20584 published questions with worked solutions.
- Match the following columns. Column-I: (A) Algin (B) Carrageenin (C) Agar (D) Parasitic algae Column-II: (1) Cephaleuros (2)...
- Match the following columns. Column-I: (A) Ulothrix (B) Volvox (C) Chlamydomonas (D) Some giant marine form Column-II: (1) Kelp...
- Consider the following statements. I. Agar, one of the commercial products obtained from Gelidium and Gracilaria are used to grow...
- Consider the following statements about green algae. I. Green algae are green due to the presence of chlorophyll-a and b pigments...
- Consider the following statements about brown algae. I. The largest kelps are Nereocystis and Macrocystis II. Brown algae have...
- Species of Sphagnum, a moss, provides
- Sphagnum, a moss, is used as a packing material for transporting living materials because of its
- Which of the following plant group lack true roots, stem and leaves?
- Bryophytes include
- The characteristic features of bryophytes are I. main plant body is gametophytic II. main plant body is sporophytic III....
- The bryophytes are divided into
- The plant body of bryophytes is
- The only positive evidence of aquatic ancestry of bryophyte is
- In which way, mosses affects the quality of soil?
- Mosses (along with lichen) are of great ecological importance because
- Bryophytes mostly occur in
- Choose the correct statements for the sporophyte of bryophytes. I. sporophyte is multicellular, not free living but attached to...
- The correct statements about bryophytes are I. the sperms are biflagellate II. the sperms are released into water and fuses with...
- Which of the following is the amphibians of the plant kingdom?
- Bryophytes are also called 'amphibians of the plant kingdom' because