EASY
Earn 100

What are the essential elements in plants?

Important Questions on Mineral Nutrition

HARD

Mention the No. of given physiological activities of plant have been essentially controlled by Zinc, Boron, Sulphur and Calcium respectively

a) Synthesis of auxin
b) Photolysis of H2O
c) Methionine constituent
d) Stability of protein
e) Uptake of calcium
f) Regulation of metabolic activities
g) Pollen germination
h) Cell elongation
i) Cell differentiation

HARD

Match the following:

  List I   List II   List III
A) Fe i) Nitrogenase I) Nitrate reductase
B)  Mo ii) Cytochrome C oxidase II) Automobile exhaust
C)  Cu iii) Forest fires III) Formation of chlorophyll
D) NO, NO2 iv) Catalase IV) Redox reactions

The correct match is

MEDIUM

Give the function of Phosphorous in plants.

MEDIUM

Differentiate between macronutrients and micronutrients.

EASY

A trace element essential for plant growth and radioisotope, which is used in cancer therapy is

MEDIUM
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?
MEDIUM
Which set of nutrients is involved in transport of substance through phloem?
(I) K    (II) B    (III) Mg   (IV) Ca
MEDIUM

Represent the union of two sets by Venn diagram for each of the following.

X={x | x is a prime number between 80 and 100}

Y={y | y is an odd number between 90 and 100}

MEDIUM
What major precautions one should take while performing the culture experiments?
MEDIUM

Write deficiency diseases caused by lack of essential nutrients in plants.

HARD
Trace the elements that act as enzyme activators. Explain by giving two examples in detail.
MEDIUM
List four features outlining the importance of minerals in plant life.
MEDIUM
Chelating agents are required to increase the solubility of __A__ in __B__ soils.
MEDIUM
Differentiate between micronutrients and macronutrients in plants.
MEDIUM
If you grow a potted plant that initially weighed 200g and eventually 50kg would you expect the soil in the pot to change weight. Explain?
MEDIUM
Calcium gives rigidity to bones and teeth together with phosphates.