Roots of which plant contain a red pigment Which have affinity for oxygen?

(a)

Carrot

(b)

Soybean

(c)

Mustard

(d)

Radish

________  is not a structural component mineral

(a)

Carbon

(b)

Nitrogen

(c)

Oxygen

(d)

Magnesium

Coralloid Roots are seen in  ____________

(a)

Cycas

(b)

Legume

(c)

Alnus

(d)

Lichens

The mineral playing a key role in osmotic potential maintenance is _________

(a)

Nitrogen

(b)

Potassium

(c)

Phosphorous

(d)

Nickel

_________ is a saprophytic angiosperm.

(a)

Monotropa

(b)

Alnus

(c)

Cuscuta

(d)

Viscum