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11th Biology Monthly Test - 2 ( Bio - Botany - Mineral Nutrition )

MABS Institution

11th Biology Monthly Test - 2 ( Bio - Botany - Mineral Nutrition )-Aug 2020

Time : 2.30 Hours

Part - A

Multiple Choice Question - Answer All Question

Minerals that play an important role for activation of enzymes involved in respiration.

Sulphur and Calcium
Calcium and Potassium
Nitrogen and Molybdenum
Magnesium and Manganese

Plants deficient of element zinc, shows its effect on the biosynthesis of plant growth hormone

Auxin
Cytokinin
Ethylene
Abscisic acid

Match the following and choose the correct combination from the options given Column I and Column II

Column I Column II

a) Potassium 1. Constituent of ferredoxin

b) Sulphur 2. Involved in stomatal movement

c) Molybdenum 3. Needed in the synthesis of auxin

d) Zinc 4. Components of nitrogenase

a-2, b-1, c-4, d-3
a-1, b-2, c-3, d-4
a-4 ,b-3 ,c-2 ,d-1
a-1 ,b-3 ,c-4 ,d-2

________ is not a structural component mineral

Carbon
Nitrogen
Oxygen
Magnesium

__________ is not caused due to copper deficiency.

Die back of citrus
Internal cork of apple
Reclamation disease of cereals
Exanthema

The major portion of the dry weight of plant comprises of ________

Nitrogen, phosphorous and potassium
Calcium, magnesium & Sulphur
Carbon, nitrogen and hydrogen
Carbon, hydrogen & oxygen

In families like Cyperaceae, Equisetaceae etc the element ___________ plays a special role.

Mo
Zn
Si
Mg

________ is a mineral required greatest amount by plants.

P
K
N
Mg

The mineral playing a key role in osmotic potential maintenance is _________

Nitrogen
Potassium
Phosphorous
Nickel

Identify Wrongly matched pair.

(I) Calcium Mitotic spindle formation and mitotic cell divisions

(ii) Manganese Photolysis of water

(iii) Potassium Stomatal movement

(iv) Zinc Synthesis of cytokinin

(v) Magnesium Binding of Thylakoids

i and ii
iv and v
iv and i
v and ii

Part - B

Generic 2 - Answer All Question

Explain 'Mineral toxicity'.

What is unique about Neottia and Monotropa.

Plants show Hunger signs? Do you agree?

Give examples of enzyme function of minerals...

What is Anthocyanin?

Name two bacteria involved in Denitrification.

State the law of minimum.

Part - C

Generic 3 - Answer All Question

Why is that in certain plants deficiency symptoms appear first in younger parts of the plants while in others, they do so in mature organs?

Hydroponics is a successful technique of growing plants but most of the crops are still grown on land? Why?

Name at least five different deficiency symptoms in plants. Correlate them with the mineral concerned.

What is bladder wort?

What is Calmodulin?

Explain the significance of potassium as a Macronutrient.

What is aeroponics?

Part - D

Generic 5 - Answer All Question

Explain Micronutrients, their role and deficiency diseases.

Write a note on Nitrogen metabolism.

Give the schematic represntation of N₂cycle?

Write a note on parasitic mode of Nutrition?

Describe biological nitrogen fixation with reference to Rhizobium and Legume.
Explain the stages involved in nitrogen cycle.

Explain Macronutrients, their role and deficiency diseases.

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