Biology Mcqs

The part of sporophyte which is called sporangium is____________?

A. Capsule
B. Foot
C. Stalk
D. None of these

Microspore of a seed plant that contain male gametophyte including the gamete is called_______________?

A. Pollen grain
B. Ovule
C. Microgametophyte
D. Microsporangium

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

In life cycle of us megaspores produced by megasporangium divide into 4 megaspores by__________________?

A. Mitosis
B. Meiosis
C. Both depending upon the conditions
D. None of these

Of the following four options which one is most advanced?

A. Anthoceropsida
B. Bryopsida
C. Hepaticopsida
D. None of these

us Taxus and Picea belong to_________________?

A. Spheospsida
B. Filicineae
C. Gymnosperms
D. Angiosperms

In which group of tracheophytes ovules are born on the exposed surface of megasporophylls______________?

A. Spheospsida
B. Filicineae
C. Gymnosperms
D. Angiosperms

Protonema is___________?

A. Thallus like
B. Algae like
C. Fungus like
D. Plant like

Specialized protective coverings around megasporangium which vary in number are called_________________?

A. Sporangium
B. Integuments
C. Ovule
D. Pericarp

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