2022
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May 23, 2022
(a) Funaria (b) Selaginella (c) Pinus (d) Cycas Ans. a (7)
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May 23, 2022
(a) Unicellular simple rhizoids (b) Tuberculated rhizoids (c) Distinct branched coenocytic rhizoids (d) Multicellular, oblique septate rhizoids Ans. d (7)
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May 23, 2022
(a) Spore sac (b) Protonema (c) Collumela (d) Apophysis Ans. c (9)
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May 23, 2022
(a) Leaf (b) Stem (c) Upper part of capsule (d) Lower part of capsule Ans.d (6)
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May 23, 2022
(a) Total parasite (b) Partial parasite (c) Independent (d) All the above Ans. b (12)
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May 23, 2022
(a) 4 neck canal cells, 1 venter canal cell and one oosphere (b) 4 neck canal cells, 2 venter canal...
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May 23, 2022
(a) Peristome teeth and seta (b) Shrinkage of annulus and explosion of capsule (c) Death and decay of thallus and...
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May 23, 2022
(a) Chemoautotrophs (b) Partial parasite (c) Photosynthetically independent (d) Total parasite Ans. d (13)
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May 23, 2022
(a) Simple sporophytic stage (b) Spores are released by rupture of sporangiam (c) Sporophyte is total parasite (d) Rhizoids are...
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May 23, 2022
(a) Unicellular smooth-walled (b) Unicellular tuberculate (c) Both smooth–walled and tuberculate unicellular (d) Multicellular smooth-walled and tuberculate Ans. c (5)
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May 23, 2022
(a) Branched unicellular (b) Branched multicellular (c) Unbranched multicellular (d) Unbranched unicellular Ans. d (10)
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May 23, 2022
(a) Moss (b) Riccia (c) Azolla (d) Fern Ans. b (27)
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May 23, 2022
(a) Spores, elaters and nutritive cells (b) Spores and nutritive cells (c) Elaters and spores (d) Spores only Ans. b...
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May 23, 2022
(a) Thallus (b) Capsule (c) Zygote (d) Spore Ans. c (7)
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May 23, 2022
(a) Rounded (b) Cup-shaped (c) Star-shaped (d) Flask–shaped Ans. d (8)
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May 23, 2022
(a) Sporophyte (b) Gametophyte (c) Aquatic (d) Sporophyte Ans. b (9)
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May 23, 2022
(a) Triploid (b) Diploid (c) Haploid (d) Tetraploid Ans. c (7)
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May 23, 2022
(a) Egg (b) Zygote (c) Antherozoids (d) Spore mother cells Ans. d (12)
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May 23, 2022
Two circular discs A and B are of equal masses and thickness but made of metals with densities dA and...
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May 23, 2022
The moment of inertia of a solid sphere of density ρ and radius R about its diameter is (a) (105/176)R5ρ (b) ...
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May 23, 2022
(a) 29√2 days (b) 29 /√2 days (c) 29 × 2 days (d) 29 days Answer: d (5)
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May 23, 2022
(a) 1/3 (b) 1/9 (c) 1/27 (d) 1/4 Answer; b (7)
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May 23, 2022
The maximum and minimum distances of a comet from the sun are 8 × 1012 m and 1.6 × 1012...
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May 23, 2022
(a) Sliding of molecular layer is much easier than compression or expansion (b) Reciprocal of bulk modulus of elasticity is...
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May 23, 2022
a. Frenkel defect b. Schottky defect c. Metal deficiency defect d. Metal excess defect Ans. d Explanation : In metal...
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May 23, 2022
A flywheel of moment of inertia 0.32 kg–m2 is rotated steadily 120 rad/s at by a 50 w electric motor....
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May 23, 2022
The angular velocity of a body is →w= 2^j+3^k+4^k and a torque →τ = ^j+2^k+3^k acts on it. The rotational...
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May 23, 2022
a. Brass is an interstitial alloy, while steel is a substitutional alloy, while steel is a substitutinal b. Brass is...
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May 23, 2022
Ag+ << Br– . The AgBr crystal should have the following characteristics a. Defectless (perfect) crystal b. Schottky defect only...
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May 23, 2022
a. Softer b. less tensile c. less malleable d. more ductile Ans. b Explanation : On adding non-metal the metal...
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May 23, 2022
(a) Disc (b) Ring (c) Solid sphere (d) All will make same number of rotations Ans. d (16)
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May 23, 2022
a. Establishing thermal equilibrium b. Having tendency to diffuse c. Contributing to scattering d. Introducing new electronic energy levels Ans....
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May 23, 2022
(a) 400% (b) 800% (c) 200% (d) 100% Ans. b (15)
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May 23, 2022
a. NaCl b. KCl c. CsCl d. All of these Ans. d Explanation : Schottky defects occurs in highly ionic...
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May 23, 2022
(a) Length (b) Breadth (c) Shape (d) Volume Answer-c (6)
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May 23, 2022
A wheel is rotating with an angular speed of 20 rad/s . It is stopped to rest by applying a...
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May 23, 2022
A rod of length l and radius r is joined to a rod of length l/2 and radius r/2 of...
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May 23, 2022
a. Frenkel defect b. Metal excess defect c. Metal deficiency generally defect d. Schottky defect Ans. b (9)
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May 23, 2022
(a) √4 : √3 (b)√3: √4 (c) √3:√2 (d) √2:√3 Ans. a (6)
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May 23, 2022
a. Positive ions and negative ions are of different size b. Positive ions and negative ions are of same size...