Gametophyte of Psilopsida develops a symbiotic association with which of the following______________?
(A) Algae
(B) Bacteria
(C) Protozoa
(D) Fungus
prokaryotic and eukaryotic are two types of___________?
(A) cells
(B) tissues
(C) organs
(D) organisms
which of the following gives to rise two daughter cell during cell division?
(A) meiosis
(B) mitosis
(C) both a & b
(D) none of these
Production of two types of spores is known as________________?
(A) Heterospory
(B) Homospory
(C) Heterogamy
(D) Gamospory
The space between the overtopped dichotomous branches was occupies by a sheet of _________ cells during evolution of megaphyllas?
(A) Sclerenchyma
(B) Chlorenchyma
(C) Parenchyma
(D) Collenchyma
Which of the following statement about alternation of generation in bryophytes is incorrect?
(A) It involves alternation of morphologically different generations
(B) Their gametophyte is independent while sporophyte depends upon gametophyte for nutrition.
(C) Both the gametophyte and sporophytes are haploid generations thus can produce haploids gametes to continue the diploid number on fertilization
(D) Spore formation occurs through meiosis
In bryophytes fertilization takes place in___________?
(A) Antheridia
(B) Archegonia
(C) water
(D) Ovule