21.

Electrons used in electron microscope are of the wavelength

• 0.05 Å

• 0.15 Å

• 0.25 Å

• 0.30 Å

Example of water soluble plant pigment is

• chlorophyll- a

• chlorophyll- b

• anthocyanin

• xanthophyll

Inulin is a polymer of

• glucose

• galactose

• fructose

• arabinose

Mannitol is

• amino acid

• amino alcohol

• sugar alcohol

• sugar acid

A flower which can be divided into two equal halves by only one plane is

• zygomorphic

• actinomorphic

• regular

• perfect

VAM is

• symbiotic bacteria

• saprophytic bacteria

• saprophytic fungi

• symbiotic fungi

A plant cell becomes turgid due to

• plasmolysis

• exosmosis

• endosmosis

• electrolysis

Spindle fibre is made up of

• humulin

• intermediate filament

• flagellin

• tubulin

Edible part of mushroom is

• basidiocarp

• primary mycelium

• fungal hyphae

• basidiospores

Calcium level decreases in the blood due to hyposecretion of

• parathyroid hormone

• calcitonin

• thyroxine

• adrenaline