Biology - Comprehensive Mock Test 187

Question 1861 Medium

The instrument by which rate of growth of plant is measured?

A) Hydrometer B) Auxanometer C) Osmometer D) Potometer

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Question 1862 Easy

Harmone helping in cell division?

A) IAA B) NAA C) Cytokinn / Seatin D) Cibberellin

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Question 1863 Medium

Incomplete break down of sugar in anaerobic respiration form ?

A) Fructose and water B) Glucose and CO2 C) Alcohol and CO2 D) Water and CO2

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Question 1864 Easy

Fermentation is ?

A) Anearobic respiration B) Incomplete oxidation of carbohydrate C) Complete oxidation carbohydrate D) None of above

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Question 1865 Easy

Respiration is?

A) Endothermic process B) Exothermic process C) Anabolic process D) Endagenic process

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Question 1866 Easy

An element present in chlorophyll ?

A) Ca B) Fe C) Mg D) S

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Question 1867 Easy

Photolysis of water involves?

A) Excitement of water B) Evoluation of oxygen C) Breakdown of water by light D) Splitting of water into its ion H+ and OH-

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Question 1868 Easy

The oxygen in photsythesis is released from?

A) CO2 B) H2O C) Both CO2 & H2O D) Chlorophyll

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Question 1869 Easy

Dwarf plants can be made taller by applying?

A) Gibberellins B) Auxins C) Cytokinins D) Dormin

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Question 1870 Medium

The loss of water in the form of water drops is called?

A) Transpiration B) Respiration C) Guttation D) Exosmosis

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