Question
Haplontic life cycle is followed by
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Answer
a
Haplontic life cycle is followed by algae such as Spirogyra
Haplontic life cycle is followed by algae such as Spirogyra
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Which one of the following sets of structure in Pinus belong entirely to the gametophytic generation
In floral formula $Br =$ ?
→$A$ : Events precursor to the seed habit is seen in some members of pteridophytes.
$R$ : Development of the zygotes into young embryo take place within the female gametophyte.
→$R$ : Development of the zygotes into young embryo take place within the female gametophyte.
Choose correct statement for cytokine and mark correct option :
(i) It is a simple gaseous PGR.
(ii) It synthesised in large amounts by tissues undergoing senescence and ripening fruits.
(iii) Influences of it on plants include horizontal growth of seedlings, swelling of the axis and apical hook formation in dicot seedlings.
(iv) It promotes senescence and abscission of plant organs especially of leaves and flowers.
(v) It synthesised in regions where rapid cell division occurs, for example, root apices, developing shoot buds, young fruits, etc.
(vi) It helps to produce new leaves, chloroplasts in leaves, lateral shoot growth and adventitious shoot formation.
(vii) It help overcome the apical dominance.
(viii) They promote nutrient mobilisation which helps in the delay of leaf senescence.
(i) It is a simple gaseous PGR.
(ii) It synthesised in large amounts by tissues undergoing senescence and ripening fruits.
(iii) Influences of it on plants include horizontal growth of seedlings, swelling of the axis and apical hook formation in dicot seedlings.
(iv) It promotes senescence and abscission of plant organs especially of leaves and flowers.
(v) It synthesised in regions where rapid cell division occurs, for example, root apices, developing shoot buds, young fruits, etc.
(vi) It helps to produce new leaves, chloroplasts in leaves, lateral shoot growth and adventitious shoot formation.
(vii) It help overcome the apical dominance.
(viii) They promote nutrient mobilisation which helps in the delay of leaf senescence.
In a dicot stem, the interfascicular cambium strip arises
Statement I: Measurement and the comparison of total growth per unit time is called the relative growth rate.
Statement II: The growth of the given system per unit time expressed on a common basis, e.g., per unit initial parameter is called the absolute growth rate.
Statement II: The growth of the given system per unit time expressed on a common basis, e.g., per unit initial parameter is called the absolute growth rate.
Match the following.
→$\begin{array}{|l|l|} \hline Column\;-\;I & Column\;-\;II \\ \hline A.\;Trypsin & 1.\;Intercellular\;ground\;substance \\ \hline B.\;GLUT-4 & 2.\;Hormone \\ \hline C.\;Insulin & 3.\;Enzyme \\ \hline D.\;Collagen & 4.\;Enables\;glucose\;transport\;into\;cells \\ \hline \end{array}$
The cell theory states that
Chloroplast fixes
The stress hormone that helps plant to respond drought is