(a) Laterally (b) Abaxially (c) Adaxially (d) Marginally Ans. b (4)
(a) Ovules (b) Ramenta (c) Sporangia (d) Archegonia Ans. c (7)
(a) Polycyclic dictyostele (b) Actinostele (c) Siphonostele (d) Amphiphloic siphonostele Ans. a (5)
A wire of cross section 4 mm2 is stretched by 0.1 mm by a certain weight. How far (length) will be wire of same material and length but of area 8 mm2 stretch under the action of same force (a) …
(a) Bacillus (b) Mango (c) Pteris (Dryopteris) (d) Spirogyra Ans. c (9)
(a) Dryopteris (b) Selaginella (c) Marsilea (d) Pinus Ans. a (7)
(a) Chlamydomonas (b) Funaria (c) Dryopteris (d) Riccia Ans. c (5)
A wire of length 2 m is made from 10 cm3 of copper. A force F is applied so that its length increases by 2 mm. Another wire of length 8 m is made from the same volume of copper. …
In the Young’s experiment, If length of wire and radius both are doubled then the value of Y will become (a) 2 times (b) 4 times (c) Remains same (d) Half Answer-c (17)
(a) Circinate vernation (b) Reticulate venation (c) Parallel venation (d) None of these Ans. a (7)
(a) Spores (b) Leaves (c) Fronds (d) Rhizomes (e) Both (c) and (d) Ans. d (6)
(a) Thallophyta (b) Bryophyta (c) Pteridophyta (d) Spermatophyta Ans. c (8)
(a) Sieve cells (b) Sieve tubes (c) Companion cells (d) Both (b) and (c) Ans. c (8)
(a) Adiantum and Cucurbitaceae (b) Osmunda and Equisetum (c) Marsilea and Botrychium (d) Dicksoni and Maidenhair fern Ans. b (5)
(a) Cycas (b) Selaginella (c) Pinus (d) Pteridium Ans. d (8)
(a) Zero (b) Infinity (c) 1×1010 N/m2 (d) 10×1010 N/m2 Answer-b (13)
(a) 500 N (b) 1000 N (c) 10000 N (d) 4000 N Answer-d (11)
(a) -∞ to +∞ (b) 0 to 1 (c) -∞ to 1 (d) 0 to 0.5 Answer-d (8)
(a) Cros fertilization (b) Self fertilization (c) Isogamous (d) Viviparous Ans. b (6)
(a) Mosses (b) Tracheophyta (c) Bryophyta (d) Liverworts Ans. b (8)
(a) Water (b) Insects (c) Chemicals (d) Winds Ans. a (8)
(a) Gymnosperms (b) Thallophyta (c) Bryophyta (d) Pteridophyta Ans. d (6)
(a) Archegonium (b) Protonema (c) Prothallus (d) Megasporangium Ans. c (7)
(a) Annulus (b) Stomium (c) Both (a) and (b) (d) Indusium Ans. c (6)
(a) Psilotum (b) Rhynia (c) Leycopodium (d) Selaginella Ans. b (8)
(a) Equisetum (b) Lycopodium (c) Marsilea (d) Selaginella Ans. a (7)
(a) True roots (b) Antheridia (c) Archegonia (d) Both (b) and (c) Ans. d (6)
(a) 4n chromosomes (b) 3n chromosomes (c) 2n chromosomes (d) n chromosomes Ans. d (8)
(a) Coiling of young leaves (b) Arrangement of leaves on stem (c) Attachment of sori on leaves (d) Heterophilly Ans. a (16)
(a) Male sex organs (b) Female sex organs (c) Bisexual (d) None of these Ans. c (15)
(a) Require presence of water for fertilization (b) Do not need sunlight for photosynthesis (c) Depend for their nutrition on micro-organisms which cane survive only at low temperature (d) Can not compete with sun-loving plants Ans. a (5)
(a) 2 cells (b) 3 cells (c) 4 cells (d) 5 cells Ans. b (7)
(a) Vascularisation (b) Terrestrial habit (c) Water for fertilization (d) Independent sporophyte Ans. c (14)
(a) 16 (b) 32 (c) 64 (d) 128 Ans. c (10)
(a) Haploid gametophyte (b) Diploid gametophyte (c) Diploid sporophyte (d) Haploid sporophyte Ans. c (9)
(a) Biciliate and coiled (b) Multiciliate and sickle-shaped (c) Multiciliate and coiled (d) Biciliate and sickle-shaped Ans. b (10)
(a) Elaters (b) Spore mother cells (c) Spore (d) Zygote Ans. c (5)
(a) Sporophyll (b) Frond (c) Leaf petiole (d) Leaf node Ans. b (6)