2022
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May 23, 2022
According to Kepler, the period of revolution of a planet (T) and its mean distance from the sun (r) are...
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May 23, 2022
(a) Prothallus (b) Sporophyte (c) Protonema (d) Gametophyte Ans. c (9)
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May 23, 2022
(a) The orbital velocity depends on the mass of the satellite (b) A minimum velocity of 8 km/sec is required...
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May 23, 2022
(a) Chlorophyll–a (b) Chlorophyll–b (c) Chlorophyll–c (d) Chlorophyll–d Ans. a (11)
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May 23, 2022
(a) Always autotrophic (b) Always heterotrophic (c) Both (a) and (b) (d) None of the above Ans. c (8)
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May 23, 2022
(a) Fossil pteridophyte (b) A part of the sporophyte of Funaria (c) The juvenile phase of the moss gametophyte (d) ...
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May 23, 2022
(a) Greater than the orbital speed of earth (b) Less than the orbital speed of earth (c) Equal to the...
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May 23, 2022
(a) Spore (b) Protonema (c) Columella (d) Paraphysis Ans. c (8)
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May 23, 2022
(a) Buds (b) Colourless rhizoids (c) Oblique septa and discoid chloroplast (d) All of the above Ans. d (10)
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May 23, 2022
(a) Xylem and phloem (b) Parenchyma (c) Collenchyma (d) Xylem Ans. b (31)
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May 23, 2022
(a) In the epidermis of stem (b) In the capsule epidermis (c) In the leaf epidermis (d) All the above...
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May 23, 2022
(a) No fruits are produced (b) No seeds are produced (c) Antheridia and archegonia are present (d) Presence of sporophyte...
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May 23, 2022
(a) Has no roots and stems (b) Has sporophyte attached to the gametophyte (c) Is vascular (d) All the above...
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May 23, 2022
(a) 1.38 cm (b) 3.5 cm (c) 1.75 cm (d) 2.45 cm Answer-b (42)
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May 23, 2022
(a) Symbiont (b) Semiparasite (c) Total parasite (d) Saprophyte Ans. b (8)
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May 23, 2022
(a) Oppositely (b) Spirally (c) Opposite–decussate (d) None of the above Ans. b (11)
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May 23, 2022
(a) Energy (b) Angular momen (c) Linear momentum (d) None of these...
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May 23, 2022
(a) Paraphysis (b) Oospores (c) Archegonium (d) Artheridium Ans. c (9)
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May 23, 2022
(a) Trabeculae (b) Peristome (c) Columella (d) Prostomium Ans. d (5)
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May 23, 2022
(a) Capsule of moss (b) Gametophyte, archegonia and egg of moss (c) Gametophyte, antheridia and sperm of moss (d) Gametophyte...
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May 23, 2022
(a) Pear shaped (b) Club shaped (c) Flask shaped (d) Spherical Ans.b (5)
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May 23, 2022
(a) Simple rosette thallus (b) Differentiated into root, central axis and leaves (c) Differentiated into rhizoids, stem and leaves (d) ...
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May 23, 2022
(a) Isomorphic alternation of generation (b) Heteromorphic alternation of generation (c) Haplobiontic life cycle (d) None of the above Ans....
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May 23, 2022
(a) Three layered (b) Two layered (c) Four layered (d) None of the above Ans. b (11)
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May 23, 2022
(a) Hydric (b) Xeric (c) Mesic (d) Hygroscopic Ans. d (7)
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May 23, 2022
(a) Perichaetial leaves (b) Perigonial leaves (c) Acicular leaves (d) Foliage leaves Ans. a (10)
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May 23, 2022
(a) 1.25 years (b) 1.59 years (c) 0.89 years ...
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May 23, 2022
(a) Thalloid (b) Foliose (c) Filamentous (d) Crustaceous Ans. c (13)
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May 23, 2022
(a) Photosynthesis (b) Formation of spores (c) Dispersal of spores (d) Retention of moisture Ans. a (30)
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May 23, 2022
(a) 83 minutes (b) 83 × √8 minutes (c) 664 minutes (d) 249 minutes Answer:c (8)
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May 23, 2022
(a) Apophysis (b) Perigonial teeth (c) Trabeculae (d) Paraphyses Ans. d (60)
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May 23, 2022
(a) -(1/2)Mv2 (b) (1/2)Mv2 (c) (3/2)Mv2 (d)...
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May 23, 2022
(a) Four (b) Three (c) One (d) Two Ans. d (10)
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May 23, 2022
(a) Extra green (b) Colourless (c) Full of reserve food (d) Without a nucleus Ans. b (11)