Assertion: Deficiency of sulphur causes chlorosis in plants Reason: Sulphur is constituent of chlorophyll, proteins and nucleic acid ... .... [ AIIMS 2004]
15%
a) If both the assertion and reason are true and reason explains the assertion.
31%
b) If both the assertion and reason are true but reason does not explain the assertion
31%
c) If assertion is true but reason is false
23%
d) If assertion is false but reason is true.
Q.2.
Which of the following is macronutrient ... ... [ Har PMT 2007]
50%
a) Ca
40%
b) Mo
10%
c) Mn
0%
d) Zn
Q.3.
Free living bacteria that can fix N2 in soil are ... ... [ Odisha 2012]
50%
a) Azotobacter
10%
b) Beijerinckia
0%
c) Clostridium
40%
d) All the above
Q.4.
Die back shoots is due to ... ... [ kerala 2000 ]
40%
a) Mn
20%
b) Mo
40%
c) B
0%
d) Cu
Q.5.
Which one is essential for root growth? ... ... [ BHU 2004]
38%
a) Zn
25%
b) Ca
12%
c) Mo
25%
d) S
Q.6.
Exanthema is a result of deficiency of .... ... { AMU 1997]
17%
a) Cu
17%
b) Na
50%
c) P
17%
d) Ca
Q.7.
A primary deficiency is caused by insufficient absorption of .... .....
29%
a) Magnesium
29%
b) Manganese
29%
c) Calcium
14%
d) Potassium
Q.8.
Chlorosis is caused by deficiency of ... .... [ MPPMT 1995]
38%
a) Iron
50%
b) Calcium
12%
c) Copper
0%
d) Boron
Q.9.
Assume that an actively respiring cell has 3X number of K+ in its cytoplasm and 2X number of K+ outside. After some time X number of K+ enter the cell. What is the process by which K+ transport has taken place ... ... [ EAMCET 2009]
33%
a) Primary active transport
33%
b) Secondary active transport
17%
c) Passive transport
17%
d) Diffusion
Q.10.
A crop plant which can grow in nitrogen deficient soils without external supply of it is ... .... [ CPMT 1990]
50%
a) Allium sativum
50%
b) Gossypium herbaceum
0%
c) Cajanus cajan
0%
d) Helianthus annuus
Q.11.
Azolla has a symbiotic relationship with ... ... [ CBSE 2004]
11%
a) Chlorella
78%
b) Anabaena
11%
c) Nostoc
0%
d) Tolypothrix
Q.12.
Sulphur is an important nutrient for optimum growth and productivity in .... .... [ CBSE 2006]
38%
a) Oilseed crops
25%
b) Pulse crops
25%
c) Cereals
12%
d) Fibre crops
Q.13.
One mineral activates enzyme catalase and other is constituent of chlorophyll. They are respectively .... ...[ kerala 2012]
33%
a) Iron and Magnesium
50%
b) Iron and Manganese
17%
c) Magnesium and Manganese
0%
d) Calcium and Magnesium
Q.14.
Non-symbiotic nitrogen fixing prokaryote is ... .... [ DPMT 2009]
43%
a) Rhizobium
14%
b) Nostoc
29%
c) Frankia
14%
d) Azobacter
Q.15.
Soil nitrate is more likely to leach than ammonium due to its .... ......
17%
a) Small size
33%
b) Negative charge
0%
c) Being useless to soil flora
50%
d) Abundance
Q.16.
Magnesium is an important component of ... ... [ CBSE 2000 ]
20%
a) Haemoglobin
0%
b) Florigen
0%
c) Enzymes
80%
d) Chlorophyll
Q.17.
Which is incorrect about ion channels ... .... [ WB2008]
0%
a) They are proteins
40%
b) All ions pass through same channel
0%
c) Movement through them is simple diffusion
60%
d) Movement through them is from high to low concentration
Q.18.
Element which is a component of proteinaceous materials and protoplasm is ... ....[ AMU 1996]
25%
a) Potassium
25%
b) Nitrogen
25%
c) Magnesium
25%
d) Oxygen
Q.19.
Micronutrients/trace elements are those that ... ....
0%
a) Can be removed from the plant without any effect on it
20%
b) Play a minor role in plant nutrition
0%
c) Form very small molecules in plants
80%
d) Are present/required in small quantities in plants
Q.20.
Nitrogen fixing enzyme found in root nodules is ... .... [ CBSE 2001]
0%
a) Nitrogen esterase
83%
b) Nitrogenase
0%
c) Nitrase
17%
d) Nitrosomonas
Q.21.
Boron assists in ... .. [ CBSE 2003]
40%
a) Activation of enzymes
0%
b) Photosynthesis
40%
c) Sugar transport
20%
d) Acting as enzyme cofactor
Q.22.
Which of the following is a macronutrient .... .... [ RPMT 2000 ]
0%
a) Mo
80%
b) Mg
20%
c) Mn
0%
d) Zn
Q.23.
An immobile element in plants is ... ... [ CBSE 2011]
80%
a) Calcium
0%
b) Potassium
20%
c) Phosphorus
0%
d) Nitrogen
Q.24.
Which combination of micro and macronutrients is correct ... ... [ Odisha 2000 ]
20%
a) Cu, Fe, K, P, ; B, Zn, Mo, N
0%
b) Cu, K, P, B ; Fe, N, Mo, Ca
80%
c) Cu, Zn, B, Mo; N, P, K, S
0%
d) B, Fe, K, Zn ; P, K, Mn and Mo
Q.25.
Micronutrients are .... .... [ AMU 2012]
60%
a) Mn, Ni, Zn
0%
b) Mg, Mn, Mo
20%
c) Cu, B, O
20%
d) Ca, S, Fe
Q.26.
Bidirectional translocation of minerals takes place through ... .... [ CBSE 1997]
20%
a) parenchyma
0%
b) Cambium
40%
c) Xylem
40%
d) Phloem
Q.27.
Which is not caused by deficiency of mineral .... .... [ MPPMT 2007]
0%
a) Chlorosis
60%
b) Etiolation
0%
c) Necrosis
40%
d) Shortening of internodes
Q.28.
Culturing of plants in water/soil-less medium is ... ..... [ AIIMS 2000 ]
60%
a) Hydroponics
0%
b) Sand culture
20%
c) Aeroponics
20%
d) Soil-less culture
Q.29.
Internal cork of Apple/browning of Cauliflower is deficiency symptom of ... ... [ BHU 1997]
25%
a) Mo
0%
b) B
75%
c) Cu
0%
d) Zn
Q.30.
NPK denotes .... ... [ MPPMT 1990]
0%
a) Nitrogen, protein and kinetin
33%
b) Nitrogen, protein and potassium
0%
c) Nitrogen, potassium and kinetin
67%
d) Nitrogen, phosphorus and potassium
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