Stomata in grass leaf are

• Dumb-bell shaped

• Kidney Shaped

• Barrel shaped

• Rectangular

32.

Which one is wrongly matched?

• Uniflagellate gametes – Polysiphonia

• Biflagellate zoospores – Brown algae

• Unicellular organism – Chlorella

• Gemma cups – Marchantia

After karyogamy followed by meiosis, spores are produced exogenously in

• Neurospora

• Alternaria

• Saccharomyces

• Agaricus

Pneumatophores occur in

• Halophytes

• Free-floating hydrophytes

• Submerged hydrophytes

• Carnivorous plants

Plants having little or no secondary growth are

• Grasses

• Deciduous angiosperms

• Cycads

• Conifers

Casparian strips occur in

• Epidermis

• Pericycle

• Endodermis

• Cortex

Secondary xylem and phloem in dicot stem are produced by

• Apical meristems

• Vascular cambium

• Axillary meristems

• Phellogen

Select the wrong statement :

• Cell wall is present in members of Fungi and Plantae

• Mushrooms belong to Basidiomycetes

• Mitochondria are the powerhouse of the cell in all kingdoms except Monera

• Pseudopodia are locomotory and feeding structures in Sporozoans

Sweet potato is a modified

• Stem

• Adventitious root

• Rhizome

• Tap root

The difference between spermiogenesis and spermiation is

• In spermiogenesis spermatids are formed, while in spermiation spermatozoa are formed.

• In spermiogenesis spermatozoa are formed, while in spermiation spermatids are formed.

• In spermiogenesis spermatozoa are formed, while in spermiation spermatozoa are released from sertoli cells into the cavity of seminiferous tubules.

• In spermiogenesis spermatozoa from sertoli cells are released into the cavity of seminiferous tubules, while in spermiation spermatozoa are formed.