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Botany

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Question	Category
Which of the following type of stomata is most common in plants ?	Botany
Which of the following plant openings are dynamic i.e. exhibit closing & opening ?	Botany
Guard cell differs from other epidermal cells in having -	Botany
Which of the wall of stomata is thick ?	Botany
Between which of the contiguous cell middle lamella is absent :	Botany
The number of stomata per square cm of leaf is-	Botany
Bulliform cells are-	Botany
Bulliform cells (or motor cells) are present in the upper epidermis of-	Botany
Velamen cells are found in epiphytes-	Botany
A tissue with spiral thickening in the cell wall capable of absorbing water from air is known as-	Botany
Velamen is needed for-	Botany
Epidermal outgrowths are known as-	Botany
Dermal tissue is derived from-	Botany
Resin ducts are found in -	Botany
Natural rubber is obtained from the latex of :	Botany
Latex vessels are prominent in -	Botany
In which of the following families laticiferous tissue is found-	Botany
A cavity formed by disintegration of cells is :	Botany
Epithem tissue is associated with-	Botany
Excretion of water occurs through-	Botany
Hydathodes occur on :	Botany
A mature sieve tube differs from a vessel-	Botany
Food is transported by-	Botany
In autumn season, the callus pads appear on-	Botany
Balloon like outgrowth of parenchyma into the lumen of vessels is known as -	Botany
Tyloses are -	Botany
P-protein is Present in -	Botany
Companion cells are seen associated with-	Botany
Sieve tubes (devoid of nuclei) are sustained by the nucleus of-	Botany
In plants, cells of which of the following would most likely show totipotency -	Botany
Bast fibres in woody stem belong to-	Botany
Phloem of angiosperm is different from that of pteridophytes and gymnosperms in -	Botany
Sieve tubes are a part of-	Botany
Living member of the phloem tissue is :	Botany
The term leptom refers to :	Botany
Phloem in the plants does the function of-	Botany
The tissue responsible for translocation of food material is :	Botany
End walls of tracheids and vessels respectively are-	Botany
The plant cells without nuclei are found in-	Botany
An elongated cell with tapering ends is termed-	Botany
Vessels differ from tracheids-	Botany
Bordered pits are very common among tracheids of-	Botany
Tracheids, Vessels, Wood fibres and Wood parenchyma are constituents of -	Botany
Angiosperms have :	Botany
Water conducting element consists of only tracheid in-	Botany
Presence of vessel in the xylem is-	Botany
Which of the following plant cells are without vacuoles and without nuclei ?	Botany
The chief function of a vessel in a plant body is to-	Botany
All the xylem elements, when mature, are dead except-	Botany
Fibre,the longest plant cell, belongs to the tissue-	Botany

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