1561. The arrangement of unequal dichotomies in one plane during evolution of leaf is :

A. Plantation *
B. Overtopping
C. Webbing
D. All these

1562. One of the following families ranks third in commercial importance in the temperate zone among the families of following plants:

A. Solana cease
B. Fabaceae
C. Rosacea *
D. Germaine

1563. The branches of which of the following plant provide excellent walking sticks and wood :

A. Rosa Indicia
B. Crataegus *
C. Frag aria
D. Pyros pastia

1564. one of the following is called seeded plants :

A. Angiosperms *
B. Pteridophytes
C. Bryophytes
D. Algae

1565. Which structure in the life cycle of an angiosperm is triploid ?

A. Male gametophyte
B. Female gametophyte
C. Endosperm *
D. Embryo

1566. Stamens contain pollen sacs in which microspores are produced by :

A. Amitosis
B. Mitosis
C. Binary fission
D. Meiosis *

1567. Which group of plants exhibits maximum diversity ?

A. Bryophytes
B. Pteridophytes
C. Gymnosperm
D. Angiosperm *

1568. One of the following is favorite home garden vegetable once considered to be poisonous :

A. Potato
B. Red pepper
C. Brinjal
D. Tomato *

1569. The source of daturine , an alkaloid used medicinally is :

A. Atropa belladonna
B. Datura alba *
C. Petunia alba
D. Nicotiana tabaccum

1570. The plants in which petals are five or multiple of 5s that are free and rosaceous belong to the family :

A. Solanaceae
B. Fabaceae
C. Rosacea *
D. Mimosaceae