In algae, the bacteriological filter is

• Oscillatoria

• Batrachospermum

• Nostoc

• Cosmarium

Water is not necessary for the fertilisation of

• algae

• bryophyta

• Cycas

• None of these

Which is present in vascular bundle ofPinus?

• Tracheids

• Vessels

• Companion cells

• All of the above

Respiratory roots (pneumatophores) are present in

• mesophytes

• halophytes

• xerophytes

• None of these

One of the set is wrongly matched

• Chrysanthemum - Sucker

• Garlic  - Cloves

• Cyanodon - Stolon

• None of the above

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

The naked seeded plants are the

• gymnosperms

• monocots

• dicots

• All of these

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

Desert can be converted into green land by planting

• oxylophytes

• psammophytes

• halophytes

• trees