(a) Mosses (b) Selaginella (c) Fern (d) Pinus Ans. b (6)
(a) Bryophytes (b) Selaginella (c) Pteridium (d) Gymnosperms Ans. b (8)
(a) 4 times (b) 1/4 times (c) 3 times (d) 1/3 times Answer-d (6)
(a) 3/4 (b) 4/3 (c) 1 (d) 5/3 Answer-b (4)
(a) Young’s modulus (b) Shear modulus (c) Modulus of rigidity (d) Bulk modulus Answer-d (12)
(a) Protonema of moss and prothallus of Dryopteris are sporophytic (b) Protonema of moss and prothallus of Dryopteris are gametophytic (c) Moss protonema is sporophytic, Pteris prothallus is gametophytic but plant body of Pteris and Funaria are gametophytic (d) Plant …
The specific heat at constant pressure and at constant volume for an ideal gas are Cp and Cv and its adiabatic and isothermal elasticities are EΦ and Eθ respectively. The ratio of EΦ to Eθ is (a) Cv/ Cp (b) Cp …
(a) Sporophyte is parasitic over gametophyte (b) Sporophyte is independent (c) Gametophyte is independent (d) Both (b) and (c) Ans. d (6)
(a) Outer true and inner false (b) Only true (c) Outer false and inner true (d) Only false Ans. c (8)
(a) Diarch exarch (b) Diarch endarch (c) Polyarch exarch (d) Polyarch endarch Ans. a (8)
(a) Ramenta (b) Indusium (c) Sporophyll (d) None of these Ans. c (3)
(a) γ×density (b) γ×volume (c) γ×pressure (d) γ×specific heat Answer-c (22)
(a) Root (b) Rhizoids (c) Foot (d) Haustoria Ans. c (8)
(a) Collar shaped (b) Horse shoe– shaped (c) Omega shaped (d) H- shaped Ans. b (9)
(a) Dependent sporophyte (b) An independent gametophyte (c) Swimming antherozoids (d) Dominant sporophytic phase Ans. d (36)
(a) Continuous and linear (b) Discontinuous and circular (c) Discontinuous and reniform (d) Discontinuous and vermiform Ans. a (5)
(a) Density (b) Volume (c) Pressure (d) Specific heat Answer-c (7)
(a) Eusporangiate (b) Leptosporangiate (c) Both (a) and (b) (d) None of these Ans. b (8)
(a) Homosporous (b) Heterosporous (c) Both (a) and (b) (d) None of these Ans. a (7)
(a) Independent of gametophyte from the very beginning (b) Dependent upon gametophyte only in the beginning (c) Dependent on gametophyte fully (d) None of the above Ans. b (17)
(a) L=10cm ,D=1mm (b) L=100cm ,D=2mm (c) L=200cm ,D=3mm (d) L=300cm ,D=4mm Answer-b (5)
(a) Rhizome (b) Young rachis (c) Old rachis (d) Lamina Ans. b (8)
(a) Simple sorus (b) Gradate sorus (c) Mixed sorus (d) None of these Ans. c (8)
(a) Mature archegonia secretes maleic acid (b) Antherozoids are sickle shaped and multi flagellate (c) Archegonia has one binucleate neck canal cell (d) Antheridia develop on ventral surface of prothallus Ans. b (9)
(a) + 0.50 (b) – 0.50 (c) 0.25 (d) – 0.25 Answer-b (11)
(a) Rhizopus (b) Bacteria (c) Viruses (d) Pteris (Fern) Ans. d (5)
(a) Sorus (b) Sporophyll (c) Sporophore (d) Sporangium Ans. d (11)
(a) Ramentum (b) Placenta (c) Indusium (d) Sporophyll Ans. c (6)
(a) Modified stipules (b) Modified leaflets (c) Ramenta (d) Spines Ans. c (7)
(a) One with two nuclei (b) Two (c) One with one nucleus (d) Four Ans. a (5)
(a) –1 to 1/2 (b) -3/4 to -1/2 (c) -1/2 to 1 …
(a) Terrestrial habit (b) Aquatic ancestry (c) Both (a) and (b) (d) None of these Ans. b (7)
(a) Annulus (b) Tapetum (c) Sorus (d) Indusium Ans. a (8)
A rubber cord 10 m long is suspended vertically. How much does it stretch under its own weight (Density of rubber is 1500 kg/m3, Y = 5×108 N/m2, g = 10 m/s2) (a) 15×10–4 m (b) 7.5×10–4 m …
(a) Biflagellate sickle-shaped (b) Multiflagellate sickle shaped (c) Multiflagellate spirally coiled (d) Biflagellate spirally coiled Ans. c (10)
(a) Gamete formation (b) Spore formation (c) Formation of prothallus (d) Formation of sex organs Ans. b (7)
A substance breaks down by a stress of 106 N/m2. If the density of the material of the wire is 3×103 kg/m3, then the length of the wire of the substance which will break under its own weight when suspended …