CBSE
Multiple Choice QuestionsTerpentine is obtained from :
flowers of angiosperm
wood of gymnosperms
pteridophytes
bacteria
Gymnosperms are called naked seed plants because these lack :
cotyledon
endosperm
ovary wall
testa
Pinus seed is originated in :
capsule
microsporophyll
microsporangia
megasporophyll
Algae are useful because they
are large in number
are used in alcoholic fermentation
purify the atmosphere
are used in curdling of milk.
The endosperm of Pinus is :
haploid
diploid
triploid
polyploid
Which of the following groups of algae belongs to class Rhodophyceae?
Laminaria, Fucus, Porphyra, Volvox
Gelidium, Porphyra, Dictyota, Fucus
Gracilaria, Gelidium, Porphyra, Polysiphonia
Volvox, Spirogyra, Ulothrix, Sargassum
Volvox, Spirogyra, Ulothrix, Sargassum
The plant body of moss (Funaria) is
completely sporophyte
predominantly sporophyte with gametophyte
completely gametophyte
predominantly gametophyte with sporophyte
The circinate vemation is the characteristic feature of ferns. It refers to :
coiling of young leaves
arrangement of leaves on stem
attachment of sori on leaves
heterophilly
Hydrophytes are characterised by :
thick and large leaf
delicate and mucilagenous stem
short spinous stem
all of the above
Which of the following plant yields oil and fibre both ?
Cocos nucifera
Eucalyptus
Brassica campestris
Euphorbia hirta
