361. What happens in plants during vascularisation

A Differentiation of Procambium, formation of primary phloem followed formation of primary phloem followed by formation of primary xylem
B Differentiation of Procambium followed by the formation of primary followed by the formation of primary phloem and xylem simultaneously
C Formation of Procambium, primary phloem and xylem simultaneously
D Differentiation of Procambium followed by the formation of secondary followed by the formation of secondary xylem
Answer :   Differentiation of Procambium followed by the formation of primary followed by the formation of primary phloem and xylem simultaneously
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362. An Angiosperm, lacking vessels is

A Trochodendron
B Acacia
C Salix
D Dendrocalamus
Answer :   Trochodendron
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363. Hard woods have

A More of parenchyma
B Vessels in abundance
C Trachieds mainly
D Non-porous nature
Answer :   Vessels in abundance
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364. Promeristem gives rise to which meristem

A Secondary
B Lateral
C Primary
D Apical
Answer :   Primary
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365. Velaman tissue are associated with

A Haustorial function
B Assimilation
C Absorption of moisture
D Nutrition
Answer :   Absorption of moisture
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366. Which of the following plants grow by a single "apical cell"

A Monocots
B Dicots
C Gymnosperms
D Bryophyta
Answer :   Bryophyta
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367. Bulliform cells are found in

A Seeds of sunflower
B Leaf of wheat
C Pod of pea
D Tuber of potato
Answer :   Leaf of wheat
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368. Submerged hydrophytes have well developed

A Vascular system
B Aerenchyma
C Root system
D Stomata
Answer :   Aerenchyma
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369. Function of companion cells is

A providing energy to sieve elements for active transport
B providing water to phloem
C loading of sucrose into sieve elements by passive transport
D loading of sucrose into sieve elements
Answer :   loading of sucrose into sieve elements
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370. Lacunar Collenchyma is specifically present in hypodermis of

A Cucurbita stem
B Sunflower stem
C Brinjal stem
D Maize stem
Answer :   Cucurbita stem
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