Question 3 :
Which of the followings is not caused by deficiency of minerals?
Question 6 :
Rapid deterioration of root and shoot tip occurs due to the deficiency of<br/>
Question 13 :
Which of the following is required in maximum amount for plant growth?<br>
Question 15 :
Assertion: In solution culture of plants, iron is added in the from of $Fe^-$ EDTA.
Reason: Hydroponics set-up is costly.
Question 16 :
Deficiency of which of the following element cause weakening of pedicel and petiole?<br/>
Question 19 :
In plant mineral nutrition, elements are called macro or micro-elements depending upon their.
Question 21 :
You observed that a plant's younger leaves, not the older ones, are yellowing. You recall that the cause of plant sickness can be diagnosed by which leaves are yellowing.<br>What is the most likely cause of your plant's blight?
Question 25 :
<br/>Certain elements like copper, manganese, sulphur, boron are needed in exceedingly small quantities for healthy growth of plants. These are called trace elements
Question 27 :
You notice that the young leaves of your tomato plants are very yellow. what type of deficiency does this suggest?
Question 30 :
Which of the following are common symptoms developed due to deficiency of Ca, Mg, K and Mo?<br/>
Question 33 :
The charcoal culture experiment is better than water culture experiment because<br/>
Question 38 :
Which of the following after absorption is stored in form of phytin or phytic acids in vegetative tissues and seeds?<br/>
Question 43 :
First experiment related to the method of hydroponics was done by
Question 44 :
Which of the following is not a criterion for essentiality of an element?
Question 46 :
Which one of the following statements can best explain the term critical concentration of an essential element?
Question 50 :
Which of element is given in less quantity to develop attractive colour to apple<br><br>