Essential and non-essential mineral elements - class-XI
Description: essential and non-essential mineral elements | |
Number of Questions: 41 | |
Created by: Prajapati Rathore | |
Tags: mineral nutrition mineral nutrition in plants botany biology |
Hydroponics are
Hydroponics is growing plants
The term hydroponic was coined by
Advantages of hydroponic cultures are that
Hydroponics is growing plants in
The disadvantage of hydroponic method is that it is
Hydroponic is a technique of growing
Hydroponics is otherwise called
Hydroponic requires
Which of the following is used in hydroponics?
Hydroponics is the
First experiments in hydroponics were performed by.
In plants, minerals
What is the key principle of the EBB and flow system in hydroponics?
Hydroponics is growing of plants
Scientist credited with development of formula for balanced solution of mineral elements is?
Hydroponic is a subset of what type of culture?
Gravel method of hydroponics is called as
Produce from the hydroponic method have
Culturing of plants in water$/$ soil-less medium is
Technique of growing plants without soil in nutrient solution is called
Mineral requirement is studied through hydroponics which is related to growing plants in
Minerals which maintain cation-anion balance in cells are
Mineral ion concentration in tissues that reduces, the dry weight of tissues by about 10% is considered as
The technique of hydroponics was first demonstrated by
The first acceptor of electrons from an excited chlorophyll molecule of photosystem II is:-
Criteria of essentiality of nutrients in plants were given by.
Which of the following is not a role played by Potassium in plant growth?
Minerals that activate respiratory enzymes
Select the correct statement(s) regarding the solution culture techniques.
Enzyme pepsin acts upon food at a pH of about
Choose the correct answer from the alternatives given.
In plants a common symptom caused by deficiencies of Ca, K, Mg and P is the:
Which one of the following roles is not charcteristic of an essential element?
Which of the following is not a deficiency symptom of minerals?
How many of the following mentioned are chief sinks for mineral elements ?
Apical meristems, Developing fruits, seeds mature leaves, Developing flowers, Lateral meristems, wood
Match the following essential elements(List I) with their respective roles(List-II) and select the correct answer.
List-I | List-II |
---|---|
a. Chlorine | $1$. Constituent of plastocyanin |
b. Copper | $2$. Constituent of nitrate reeducates |
c. Molybdenum | $3$. Constituent of alcohol dehydrogenate |
d. Zinc | $4$. Required for $CO _2$ evolution in photosynthesis |
$5$. Required for phosphate transfer |
When we boil tulsi leaves in water, water acquires a characteristic smell of leaves because
There is no direct transfer of electron from cyt b to cyt c as
In most of the plants, a part which is free from infection / diseases is ___________.
Choose the correct answer from the alternatives given.
Hydroponics is a technique of growing:
State whether the following statements are true or false.
Transfusion tissue is the substitute of lateral veins as it helps in the conduction of water.