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11th Biology Weekly Test - 1 ( Bio - Botany - Mineral Nutrition )

MABS Institution

11th Biology Weekly Test - 1 ( Bio - Botany - Mineral Nutrition )-Aug 2020

Time : 1.30 Hours

Part - A

Multiple Choice Question - Answer All Question

Identify the correct statement
i. Sulphur is essential for amino acids Cystine and Methionine.
ii. Low level of N, K, S and Mo affect the cell division.
iii. Non-leguminous plant Alnuswhich contain bacterium Frankia.
iv. Denitrification carried out by nitrosomonas and nitrobacter.

I, II are correct
I, II, III are correct
I only correct
all are correct

The skeletal elements constitute __________ of dry weight.

92%
90%
98%
94%

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 an activator for RUBP Carboxylase and PEP Carboxylase.

Manganese
Magnesium
Zinc
Chlorine

________ is not a structural component mineral

Carbon
Nitrogen
Oxygen
Magnesium

________ is a mineral required greatest amount by plants.

P
K
N
Mg

Identify correct match:

1. Die back disease of citrus (i) Mo

2. Whip tail disease (ii) Zn

3. Brown heart of turnip (iii) Cu

4. Little leaf (iv) B

1(iii) 2 (ii) 3 (iv) 4 (i)
1 (iii) 2 (i) 3 (iv) 4 (ii)
1 (i) 2 (iii) 3 (ii) 4 (iv)
1 (iii) 2 (iv) 3 (ii) 4 (i)

Leghaemoglobin is

Oxygen scavenger in BGA
Oxygen, scavenger in Rhizobium
Oxygen scavenger in legume
scavenger in all nitrogen fixers

___________ is a component of plastocyanin.

Nickel
Boron
Potassium
Copper

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

Auxin
Cytokinin
Ethylene
Abscisic acid

Part - B

Generic 2 - Answer All Question

Plant A in a nutrient medium shows whiptail disease plant B in a nutrient medium shows a little leaf disease. Identify mineral deficiency of plant A and B?

What are skeletal elements?

Name a plant which accumulates Silicon? Why is Silicon placed in unclassified minerals?
Give the names of these plants.

Name two immobile elements found in plants.

Part - C

Generic 3 - Answer All Question

List the criteria for essential minerals.

Explain the insectivorous mode of nutrition in angiosperms?

What is bladder wort?

Explain the significance of potassium as a Macronutrient.
Draw a experimental setup to show Aeroponics.

Part - D

Generic 5 - Answer All Question

Write a note on parasitic mode of Nutrition?

Give the schematic represntation of N₂cycle?

Describe biological nitrogen fixation with reference to Rhizobium and Legume.
Explain Micronutrients, their role and deficiency diseases.

Explain Macronutrients, their role and deficiency diseases.

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