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11th Class - Biology | Chapter: Plant Growth and Development MCQs
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(A) Apical bud
(B) Lateral axillary buds
(C) Roots on stem cutting
(D) Parthenocarpic development of fruits
(A) Ethylene
(B) ABA
(C) IAA
(D) Morphactin
(A) Phenyl alanine
(B) Tyrosine
(C) Tryptophan
(D) Leucin
(A) F.W. Went
(B) L.J. Oudus
(C) K.V. Thimann
(D) F. Skoog
(A) Marchantia
(B) Wheat
(C) Cuscuta
(D) Bougainvillea
(A) Long day
(B) Darkness neutral
(C) Day neutral
(D) Short day
(A) 2, 4–D
(B) MH
(C) AMO – 1618
(D) ABA
(A) Induction of fruit development
(B) Induction of root initiation
(C) Prevention of abscission
(D) All of the above
(A) GA3
(B) NAA
(C) Ethylene
(D) Zeatin
(A) Respiration
(B) Photosynthesis
(C) Perception of light stimulus
(D) Transpiration
(A) IAA
(B) Zeatin
(C) Kinetin
(D) None of these
(A) Development
(B) Elongation
(C) Differentiation
(D) Maturation
(A) Ethylene and gibberellins
(B) Zeatin and IAA
(C) IBA and cytokinin
(D) IAA and IBA
(A) gibberellin
(B) phytochrome
(C) cytokinins
(D) auxin
(A) Suppression of growth of apical bud by axillary buds
(B) Suppression of growth of axillary buds by the presence of apical bud
(C) Stimulation of growth of axillary buds by removal of apical bud
(D) Inhibition of growth of axillary buds by removal of apical bud
(A) Auxins
(B) Gibberellins
(C) Ethylene
(D) Cytokinins
(A) Auxin
(B) Gibberelic acid
(C) Cytokinin
(D) Abscisic acid
(A) J-shaped
(B) S-shaped
(C) I-shaped
(D) Parabolic
(A) Hans Dietrisch
(B) Spemann
(C) Both a and b
(D) Haemmerling
(A) Permanent nature
(B) Temporary nature
(C) Some are permanent some temporary
(D) None of these
(A) Phase of cell division
(B) Phase of cell elongation
(C) Phase of cell maturation
(D) Phase of cell differentiation
(A) J-shaped
(B) S-shaped
(C) I-shaped
(D) Parabolic
(A) Autonomic movement of variation
(B) Autonomic movement of locomotion
(C) Autonomic movement of growth
(D) Paratonic movement of growth
(A) Epiblast is presumptive ectoderm and mesoderm
(B) Hypoblast is presumptive endoderm
(C) Hypoblast is presumptive mesoderm
(D) Upper layer of cells in blastoderm is epiblast
(A) Organogenesis
(B) Cleavage
(C) Gastrulation
(D) Growth
(A) presence of meristems
(B) presence of vascular cambium
(C) presence of xylem and phloem
(D) presence of tracheids
(A) Foregut
(B) Midgut
(C) Hindgut
(D) None of these
(A) Ethylene
(B) Gibberellin
(C) IAA
(D) Abscisic acid
(A) given a dip in ascorbic acid
(B) maintained at room temperature
(C) refrigerated
(D) stored at the top of refrigerator
(A) length of leaf
(B) increase in cell number
(C) surface area increase
(D) none of these
(A) Aging
(B) Regeneration
(C) Abnormal development
(D) Primary inductio
(A) auxins
(B) cytokinins
(C) gibberellins
(D) ethylene
(A) Gastrocoele
(B) Blastocoele
(C) Coelom
(D) Neurocoele
(A) Meristem
(B) Flower
(C) Leaves
(D) Buds
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