2022
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May 26, 2022
(a) Pinus plant (b) Zygote (c) Micro and megaspores (d) Male and female cones Ans. c (13)
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May 26, 2022
(a) Presence of resin cells (b) Presence of resin ducts (c) Absence of resin ducts (d) Presence of vessels Ans....
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May 26, 2022
(a) One needle (b) Two needles (c) Three needles (d) All correct Ans. d (9)
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May 26, 2022
(a) No seeds (b) Flowers (c) No vascular tissues (d) Naked seeds in cones Ans. d (11)
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May 26, 2022
(a) It is of much economic value (b) It is cosmopolitan in distribution (c) If grows in deserts and exhibits...
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May 26, 2022
(a) Haploid endosperm (b) Bicilliated sperms (c) Double fertilization (d) Presence of antheridia Ans. a (12)
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May 26, 2022
A sphere of mass M and radius R2 has a concentric cavity of radius R1 as shown in figure. The...
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May 26, 2022
(a) Leaves of Selaginella (b) Scaly leaves of Pinus (c) Needles of Pinus (d) Foliar leaves of Pinus...
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May 26, 2022
(a) Bract and ovuliferous scales (b) Embryo with two cotyledons (c) Resin canals in needles (d) Tracheids with bordered pits...
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May 26, 2022
(a) Competition among adjoining trees for sunlight (b) The effect of auxins on growth of stem tips (c) Adaptation for...
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May 26, 2022
(a) Cycas (b) Pinus (c) Abies (d) Cedrus Ans. b (7)
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May 26, 2022
(a) Above suspensor cells (b) Between suspensor and embryonal cells (c) Between primary and secondary suspensor cells (d) Between embryonal...
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May 26, 2022
(a) Roots (b) Endosperm (c) Dwarf shoot (d) Long shoot Ans. b (9)
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May 26, 2022
(a) 1 prothallial cell (b) 2 prothallial cells (c) 4 prothallial cells (d) A mass of cells Ans. b (7)
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May 26, 2022
(a) Two cotyledons (b) One cotyledon (c) Fleshy cotyledons (d) Many cotyledons Ans. d (8)
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May 26, 2022
A geostationary satellite orbits around the earth in a circular orbit of radius 36000 km. Then, the time period of...
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May 26, 2022
(a) Cycas (b) Pinus (c) Papaver species (d) None of the above Ans. b (7)
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May 26, 2022
(a) Tracheids (b) Vessels (c) Equal number of tracheids and vessels (d) More vessels and less tracheids Ans. a (8)
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May 26, 2022
(a) Megaspore, integument, root (b) Endosperm, megaspore, pollen grain (c) Pollen grain, leaf, root (d) Megaspore, endosperm, embryo Ans. b...
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May 26, 2022
(a) 64.5 (b) 129...
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May 26, 2022
(a) Long shoot (b) Needle leaves (c) Dwarf shoot (d) None of the above Ans.c (13)
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May 26, 2022
(a) Armed parenchyma (b) Chlorenchyma (c) Spongy parenchyma (d) Transfusion tissue Ans. c (52)
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May 26, 2022
(a) Bicollateral (b) Collateral and closed (c) Collateral and open (d) Concentric Ans. c (10)
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May 26, 2022
A projectile is projected with velocity kve in vertically upward direction from the ground into the space. (ve is escape...
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May 26, 2022
(a) Pinus sylvestris (b) Pinus monophylla (c) Pinus gerardiana (d) Pinus roxburghii Ans. c (18)
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May 26, 2022
Two bodies of masses m1 and m2 are initially at rest at infinite distance apart. They are then allowed to...
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May 26, 2022
(a) The gravitational force due to this object at the origin is zero (b) The gravitational force at the point...
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May 26, 2022
(a) Monofoliar (b) Bifoliar (c) Trifoliar (d) Tetrafoliar Ans. b (10)
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May 26, 2022
(a) Funaria (b) Selaginella (c) Fern (d) Pinus Ans. d (10)
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May 26, 2022
(a) One celled stage (b) Two celled stage (c) Three celled stage (d) Four celled stage Ans. d (14)
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May 26, 2022
(a) Ferns (b) Selaginella (c) Pinus (d) All the above Ans. c (16)
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May 26, 2022
(a) Mosses (b) Selaginella (c) Fern (d) Pinus Ans. d (12)
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May 26, 2022
(a) Bryophyta (b) Selaginella (c) Ferns (d) Pinus Ans. d (8)
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May 26, 2022
(a) 16 (b) 8 (c) 4 (d) 24 Ans. c (8)
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May 26, 2022
(a) 4 (b) 3 (c) 2 (d) 1 Ans. c (6)