The dodder seed germinates forming
A) anchoring root
B) slender stem
C) haustoria
D) hanging leaves
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Reason for forming ’V’ shaped valley …………..
Correct option is A) River
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Forming tiny droplets and clouds by water vapour is called …………
B) condensation
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This is not the principle for forming U.N.O.
D) Creating markets for developed countries
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Pick up the correct option for “Dodder.” 1) Genus Cuscuta 2) It is leafless 3) Twining plant 4) Microscopic
Answer is (A) 1, 2, 3, 5, 6
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The dodder contains ……… amount of chlorophyll.
The dodder contains less amount of chlorophyll.
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When ‘Dodder’ plant is fully grown it obtains food through part (ii) only after development of part (i). What are (i) and (ii)?
C) (i) anchoring roots (ii) haustoria
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Match the following: Group – A 1) Naked seed 2) Covered seed
Group – A Group – B 1) Naked seed D) Gymnosperms 2) Covered seed C) Angiosperms 3) Sporangium F) Fungi 4) Unicellular prokaryotes B) Monera 5) Uni or multicellular eukaryotes A) Protista
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Observe the following a,b statements. a) Abscisic acid prevents seed dormancy. b) Gibberellin promotes seed dormancy.
(D) a,b both are false
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When a pure yellow seed plant is crossed with a pure green seed plant in F1 generation, the seeds are ………
(C) 75% yellow, 25% green seeds
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Seed leaf within the seed is called …………………
Seed leaf within the seed is called Cotyledon
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