871. Which of the following statement about filicinae a group of tracheophytes is incorrect_________________?
A. They belong to sphenopsida
B. They are seedless and their leaves are called fronds
C. They live in shady and moist areas.
D. They show circinate vernation.
872. Antheridiophore and archegoniophore are found in_____________?
A. Marchantia
B. Funaria
C. Both of these
D. None of these
873. Due to which property of Adiantum and example of Filicinae is called Maidenhairfern________________?
A. Its short thick branched horizontally growing rhizome
B. Fibrous adventituous roots arise from the lower side of rhizome
C. Shows heteromorphic alternation of generation
D. Stipe (stalk) and rachis of leaf have black smooth and shiny hair like structures
874. Specialized protective coverings around megasporangium which vary in number are called_________________?
A. Sporangium
B. Integuments
C. Ovule
D. Pericarp
875. Protonema is___________?
A. Thallus like
B. Algae like
C. Fungus like
D. Plant like
876. In which group of tracheophytes ovules are born on the exposed surface of megasporophylls______________?
A. Spheospsida
B. Filicineae
C. Gymnosperms
D. Angiosperms
877. Pinus Taxus and Picea belong to_________________?
A. Spheospsida
B. Filicineae
C. Gymnosperms
D. Angiosperms
878. Of the following four options which one is most advanced?
A. Anthoceropsida
B. Bryopsida
C. Hepaticopsida
D. None of these
879. In life cycle of Pinus megaspores produced by megasporangium divide into 4 megaspores by__________________?
A. Mitosis
B. Meiosis
C. Both depending upon the conditions
D. None of these
880. In Hornworts the band of meristematic tissue is found near_____________?
A. Foot
B. Gamete producing region
C. Spore producing region
D. At junction of A & B