Who proposed a five-kingdom classification and named kingdoms as Monera, Protista, Fungi, Plantae and Animalia?
(1) Herbert Copeland
(2) RH Whittaker
(3) Carl Woese
(4) Carolus Linnaeus
Cycas is classified as a gymnosperms due to its
1. motile sperms
2. fruit formation
3. naked ovule
4. pycnoxylic wood
Phylogenetic system of classification includes
(1) evolutionary trends only
(2) genetic trends only
(3) evolutionary trend as well as morphology
(4) behavioural trends in environment
Read the following statements reagrding bryophytes and choose the incorrect option.
(1) Gametophytic phase is dominant in life cycle
(2) Fertilisation takes place in presence of water
(3) Zygote undergoes meiosis to produce sporophyte
(4) Sporophyte isphysiologically dependent on gametophyte
In the given diagrams, some of the algae have been labelled as A, B, C, D and E. Choose the correct option to identify these algae.
A | B | C | D | E | |
1. | Dictyota | Polysiphonia | Porphyra | Fucus | Laminaria |
2. | Porphyra | Dictyota | Laminaria | Fucus | Polyspiphonia |
3. | Dictyota | Polysiphonia | Porphyra | Laminaria | Fucus |
4. | Fucus | Porphyra | Dictyota | Polysiphonia | Laminaria |
Pick the correct group consisting of all genera exhibiting homospory.
(1) Lycopodium, Psilotum, Selaginella, Equisetum
(2) Equisetum, Pteris, Salvinia, Psilotum
(3) Salvinia, Pteris, Lycopodium, Selaginella
(4) Equisetum, Psilotum, Lycopodium, Pteris
Which of the following groups of algae produces algin?
(1) Phaeophyceae and Chlorophyceae
(2) Rhodophyceae and Phaeophyceae
(3) Chlorophyceae and Rhodophyceae
(4) Phaeophyceae only
Match the following selected the correct option.
Column - I | Column - II | ||
A. | Pteris | (i) | Gymnosperm |
B. | Cycas | (ii) | Bryophyte |
C. | Sphagnum | (iii) | Algae |
D. | Sargassum | (iv) | Pteridophyta |
1. A - (iv), B - (ii), C - (i), D - (iii)
2. A - (iv), B - (i), C - (ii), D - (iii)
3. A - (ii), B - (iii), C - (iv), D - (i)
4. A - (i), B - (iv), C - (iii), D - (ii)
Which of the following genera is associated with coralloid roots?
(1) Cycas
(2) Taxus
(3) Pinus
(4) Sequoia
Read the following statements :
A. The male or female cones or strobili may be borne on same tree in Pinus.
B. In Cycas male cones and megasporophylls are borne on different trees.
C. Stem of Cycas is branched and of Pinus and Cedrus is unbranched.
D. In gymnosperms generally tap roots are found.
Select the correct statements.
1. A, B
2. A, B, D
3. A, B, C
4. C, D