A prokaryoticv autotrophic nitrogen-fixing symbiont is found in 

• Cycas

• Cicer

• Pisum

• Pisum

The correct floral formula of chilli is 

The unequivocal proof of DNA as the genetic material came from the studies on a 

I) The sporophyte in liverworts is more elaborate than that in mosses
II) Salvinia is heterosporous
III) The life -cycle in all seed - bearing plants is diplontic
IV) In pinus male and female cones are borne on different trees

• Statements (I) and (III)

• Statement (I) and (IV)

• Statements (II) and (III)

• Statements (II) and (III)

Selaginella and Salvinia are considered to represent a significant step towards evolution of seed habit because

• female  gametophyte is free and gets dispersed like seeds

• female gametophyte lacks archegonia

• megaspores possess endosperm and embryo surrounded by a seed coat

• megaspores possess endosperm and embryo surrounded by a seed coat

The chief water conducting elements of xylem in gymnosperms are 

• vessels

• fibres

• tansfusion tissue

• tansfusion tissue

Male and female gametophytes are independent and free - living in

• mustard

• castor

• Pinus

• Pinus

The scutellum observed in a grain of Wheat or maize is comparable to which part of the seed in other monocotyledons?

• Cotyledon

• Endosperm

• Aleurone layer

• Aleurone layer

Which one o0f the following is monoecious?

• Marchantia

• Cycas

• Pinus

• Pinus

Vegetative propagation in Pisitia occurs by 

• stolen

• offset

• runner

• runner

70.

Mannitol is the stored food in of

• Chara

• Porphyra

• Fucus

• Fucus