Question No:1
Rhizoids are absent in
(A) Pteridophytes
(B) Bryophytes
(C) only gymnosperms
(D) All spermatophytes
Question No:2
Microspores of the following plants are also called as pollen grains
(A) Pteridophytes
(B) Pteridophytes and gymnosperms
(C) only angiosperms
(D) Spermatophytes
Question No:3
Cup shaped chloroplast is seen in
(A) Ulothrix
(B) Spirogyra
(C) Chlamydomonas
(D) All the above
Question No:4
Pyrenoids store food as
(A) Glycogen
(B) Fats
(C) Oil globules
(D) Starch
Question No:5
Chlamydomonas shows
(A) Isogamy
(B) Anisogamy
(C) Oogamy
(D) All the above
Question No:6
Isogamy is a mode of sexual reproduction in which
(A) The fusing gametes are morphologically and functionally similar
(B) One of the two fusing gametes is comparatively smaller
(C) The gametes are similar in structure and size but different in behaviour
(D) The fusing gametes are dissimilar in all respects
Question No:7
Chloroplast of Spirogyra is
(A) Cup shaped
(B) Star shaped
(C) Ribbon shaped
(D) Lamellate
Question No:8
In addition to reproduction, zygospore also helps in
(A) Perennation
(B) Dispersal
(C) Genetic variability
(D) All the above
Question No:9
Spirogyra is usually found in
(A) Running fresh water
(B) Stagnant fresh water
(C) Stagnant marine water
(D) None of the above
Question No:10
Spirogyra is called as pond silk because
(A) Filaments are made up of silk
(B) Filaments are slippery to touch
(C) Both (a) and (b)
(D) None of the above
Question No:11
Spirogyra belongs to the class
(A) Rhodophyceae
(B) Cyanophyceae
(C) Xanthophyceae
(D) Chlorophyceae
Question No:12
Gametangia of algae differ from those of Funaria in being
(A) Unstalked
(B) All identical
(C) Non-jacketed and unicellular
(D) None of the above
Question No:13
All algae have these photosynthetic pigments in common
(A) Chlorophyll a and chlorophyll b
(B) Chlorophyll b and carotenes
(C) Chlorophyll a and carotenes
(D) Phycobilins and carotenes
Question No:14
Fusion between dissimilar gametes is
(A) Autogamy
(B) Isogamy
(C) Anisogamy
(D) Dichogamy
Question No:15
In brown algae, the motile structures have flagella inserted
(A) Anteriorly
(B) Laterally
(C) Posteriorly
(D) one anterior and one lateral
Question No:16
The most common mode of reproduction in Spirogyra is
(A) Conjugation
(B) Aplanospore formation
(C) Fragmentation
(D) Akinete formation
Question No:17
An edible Rhodophyte is
(A) Polysiphonia
(B) Batrachospermum
(C) Porphyra
(D) Corallina
Question No:18
Which one is connected with spore dispersal in Funaria
(A) Foot
(B) Annulus
(C) Seta
(D) Peristome
Question No:19
Which one is a kelp
(A) Batrachospermum
(B) Ulothrix
(C) Macrocystis
(D) Dictyota
Question No:20
Sporogonium of Funaria is dependent on gametophyte
(A) Fully
(B) For food
(C) For water and minerals
(D) None of the above