CBSE
Which is present in vascular bundle ofPinus?
Tracheids
Vessels
Companion cells
All of the above
Desert can be converted into green land by planting
oxylophytes
psammophytes
halophytes
trees
Which one of the following pairs of plants are not seed producers?
Fern and Funaria
Funaria and Ficus
Ficus and Pinus
All of the above
Water is not necessary for the fertilisation of
algae
bryophyta
Cycas
None of these
One of the set is wrongly matched
Chrysanthemum - Sucker
Garlic - Cloves
Cyanodon - Stolon
None of the above
In Pinus
seed is winged but pollen grains are not
both seed and pollen grains are wingless
pollen grains are winged but seed is not
both seeds and pollen grains are winged
This place in India is called 'The Golden Mine of Liverworts'
Eastern Himalayas
Western Himalayas
Western Ghats
Eastern Ghats
In algae, the bacteriological filter is
Oscillatoria
Batrachospermum
Nostoc
Cosmarium
The naked seeded plants are the
gymnosperms
monocots
dicots
All of these
Respiratory roots (pneumatophores) are present in
mesophytes
halophytes
xerophytes
None of these