A good example of organic fertilizer which improves phosphorus uptake is
Options
(a) actinomycetes fungi (b) Rhizobium (c) Azospirillum (d) none of these
Correct Answer:
none of these
Explanation:
No explanation available. Be […]
Then process of the escape of liquid from tip of uninjured leaf is called
Options
(a) guttation (b) transpiration (c) evaporation (d) evapo-transpiration
Correct Answer:
guttation
Explanation:
No explanation available. Be the first […]
Automobile exhaust causes respiratory problems because of the presence of
Options
(a) CO (b) CH₄ (c) chlorine (d) NO₂
Correct Answer:
CO
Explanation:
No explanation available. Be the first to write the explanation […]
Which of the following gene is responsible for biological nitrogen fixation
Options
(a) nitrogenase (b) Nif gene (c) yeast alanine t-RNA synthetase (d) RNA synthetase
Correct Answer:
Nif gene
Explanation:
No explanation available. […]
Photochemical smog formed in congested metropolitan cities mainly consists of
Options
(a) ozone, peroxyacetyl nitrate and NOₓ (b) smoke, peroxyacetyl nitrate and SO₂ (c) hydrocarbons, SO₂ and CO₂ (d) hydrocarbons, ozone and SOₓ
In photosynthesis, splitting of water molecule and release of oxygen is called
Options
(a) photophosphorylation (b) photolysis (c) carboxylation phase (d) red drop
Correct Answer:
photolysis
Explanation:
No explanation available. Be the first […]
The release of pancreatic juice from the pancreas in a mammal is stimulated by
Options
(a) trypsinogen (b) enterokinase (c) secretin (d) esterogen
Correct Answer:
secretin
Explanation:
No explanation available. Be the first […]
Which of the following chambers of ruminant stomach contains the gastric juice
Options
(a) abomasum (b) omasum (c) rumen (d) reticulum
Correct Answer:
abomasum
Explanation:
No explanation available. Be the first to write […]
The enzyme that increases the reaction rate between CO₂ and H₂O in red blood cells is
Options
(a) carbonic anhydrase (b) adenylate cyclase (c) carbonic synthetase (d) alkaline phosphatase
Correct Answer:
carbonic anhydrase
If a sample of blood shows clumping with antiserum A but not with antiserum B then it is
Options
(a) A group (b) B group (c) AB group (d) O group
Correct Answer: […]
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