Which inorganic substance is obtained by - fraction ?
Ammonium
amino acid
Ammonia
Ammonium Hydroxide
Browse topic-based Biology practice sets.
1757 practice sets · Page 26 of 88
Which inorganic substance is obtained by - fraction ?
Ammonium
amino acid
Ammonia
Ammonium Hydroxide
Which group is included in micronutrients ?
Mn, Cu, Mo
Cl, Ni, Co, Mg
C, H, O, N
Cl, S, Ni, Fe
Which group is included in Macronutrients?
H, Mn, S
S, P, Ca, Mg
Mn, Cu, N
Na, Cl
Which elements play significant role in structure and synthesis ofchlorophyll ?
Fe, Ca
Fe, Mg
Cu, Fe
Mg, Fe
Which element is required for photolysis of water during photosynthesis ?
Mo
Co
Cu
Cl
Which element is required for absorption and utilization of calcium ?
Fe
Cu
B
K
Which element is necessary to stabilize ribosomes ?
Mn
Mg
Mo
Ni
Which element is necessary for meristmatic tissue and differentiating tissues ?
Fe
N
Ca
B
Which element deficiency shows bronzing leaves ?
K
N
Ca
S
Which amino acid is formed when a keto - glutaric acid reacts with during transmmination ?
Glutanic acid
Aspartic acid
Oxalo-acetic acid
None of these
Which amino acid acts as a main donor of amino group in transamination ?
Glutamic acid
Glutamine
Glutamate dehydrogenase
Glycine
What is the function of Zn ?
Synthesis of Carboxyalase enzyme
Formation of Indol Acetic acid (IAA)
required for absprption and utilization of Ca.
required for maintenance of ribosomal constituent.
What is the function of leg haemoglobin ?
To protect Nif gene from the side effect of
To proctect nitrogenase from the side effect of
To provide atmosheric to Rhizobium bzcteria
To synthesis reduction inducing unit FAD.
What is responsible for fixation in Rhizobium ?
nif - gene
leghemoglobin
Nitrogenase
ATP
What is concentration of micronutrients in the dry mass of plants per gram ?
1 to 10 mg
0.1 mg
0.1 mg or less than that
10 mg or more than that
Toxicity of Mn inhibits function of which other elements ?
Fe, Mg, S
Ca, Fe, Mg
Mg, K, Fe
Ca, P, S
The region within the plasma membrance and within the vacuole is called ?
nucleus membrane region
passive transport region
Cellular region
Active transport region
The process which release NA3 from Nitrogenous excretory waste is known as
Ammonification
Denitrification
Nitrification
Demonification
The method of hydroponic in which with the use of NFT, automatically, nutrient rich solution is given, is called
Continous flowing solution culture
Tissue culture method
Gas culture method
Balanced - culture solution method
The absorption, distribution and metabolism of various mineral elements is called
dispersal of mineral
Absorption of mineral salts
mineral metabolism
mineral nutrition