Assertion (A): A turbidostat is most effective when operating at high dilution rates near the maximum specific growth rate (mumax}).

Reason (R): At low dilution rates, the chemostat is more stable because the concentration of the limiting nutrient is easier to control than turbidity

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#Question id: 40162

#Botany

Q. Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

Assertion (A): In angiosperms, the endosperm is triploid (3n).

Reason (R): It is formed by the fusion of one male gamete with the egg cell.

In light of the above statements, choose the correct answer from the options given below:

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#Question id: 40163

#Botany

Match List I with List II

LIST I (Causal Organism)	LIST II (Disease)
A. Phytophthora infestans	I. White Rust of Crucifers
B. Puccinia graminis	II. Citrus Canker
C. Xanthomonas citri	III. Late Blight of Potato
D. Albugo candida	IV. Black Rust of Wheat

 Choose the correct answer from the options given below:

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#Question id: 40164

#Botany

Match List I with List II 

LIST I (Algal Class)	LIST II (Stored Food/Feature)
A. Chlorophyceae	I. Floridean Starch
B. Phaeophyceae	II. Cyanophycean Starch
C. Rhodophyceae	III. Starch & Pyrenoids
D. Cyanophyceae	IV. Mannitol & Laminarin

Choose the correct answer from the options given below:

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#Question id: 40165

#Botany

Match List I with List II

LIST I (Phytohormone)	LIST II (Physiological Effect)
A. Auxin	I. Fruit Ripening
B. Gibberellin	II. Stomatal Closure (Stress hormone)
C. Ethylene	III. Apical Dominance
D. Abscisic Acid (ABA)	IV. Bolting (Internode elongation)

Choose the correct answer from the options given below:

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#Question id: 40166

#Botany

Match List I with List II

LIST I (Cell Organelle)	LIST II (Function)
A. Smooth Endoplasmic Reticulum	I. Formation of spindle fibers
B. Golgi Apparatus	II. Lipid Synthesis
C. Nucleolus	III. Glycosylation & Packaging
D. Microtubules	IV. rRNA Synthesis

Choose the correct answer from the options given below:

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#Question id: 40167

#Environmental Science

Which of the following ecological pyramids is always upright?