Which of the following tissues consist of living cells?
Vessels
Tracheids
Companion cell
Sclerenchyma
Nucleotides are formed by
purine, sugar and phosphate
purine, pyrimidine and phosphate
purine, pyrimidine sugar and phosphate
pyrimidine, sugar and phosphate
Which of the following plant cells is not surrounded by a cell wall?
Root hair cell
Stem hair cell
Gamete cell
Bacterial cell
Which of the following cell organelles stores hydrolytic enzymes?
Centriole
Lysosome
Chromoplast
Chloroplast
A monocarpic plant is one, which
has only one carpel
Flowers once in a life-time
Produces only one seed
Produces only one fruit
Calyptra develops from
Venter wall of archegonium
Outgrowth of gametophyte
Neck wall of archegonium
Paraphysis of the archegonial branch
Protonema is the stage in the life cycle of
Cycas
Funaria
Selaginella
Mucor
B.
Funaria
Protonema is the juvenile stage of moss resulting from the germinating meiospore and consists of a slender, green, branching system of filaments. In Funaria, the protonema stage is only vegetative and transitory, which precedes the upright, leafy gametophyte.
Which of the following cell organelles is associated with photorespiration?
Mitochondria
Peroxysome
Chloroplast
All of these