Three elements needed for the healthy growth of plants are_________________?

Related Mcqs:

1. Which of the p-block elements are not representative elements ?

   A. Alkali metals (I-A)
   B. Group-14 elements (IV-A)
   C. Group-18 elements (VIII-A)
   D. Halogens (VII-A)

2. Which of the halogen can displace other three elements ?

   A. Flourine
   B. Chlorine
   C. Iodine
   D. Bromine

3. The nutrients which are required in very small amount for the normal growth of plants are called_________________?

   A. nitrogenous fertilizers
   B. micronutrients
   C. phosphorus fertilizer
   D. all of the above

4. Purines and pyrimidines are_________________?

   A. Enzymes
   B. Nitrogenous bases
   C. Carbohydrates
   D. Lipids

5. When an atom absorbs energy the lines in the spectrum will appear which are_________________?

   A. Brighter
   B. Darker
   C. Colourless
   D. Hard to locate

6. Biocatalytical proteins are_________________?

   A. Enzymes
   B. Substrate
   C. Lipids
   D. any of above

7. Co-enzymes are_________________?

   A. Non proteineous
   B. Proteineous
   C. sugars
   D. lipids

8. The common thing in phthalic acid and oxalic acid is that both are_________________?

   A. Aromatic
   B. Dicarboxylic
   C. Hydrocarbons
   D. Strong acids

9. The octet rule does not always hold for which of the following elements _________________?

   A. C
   B. O
   C. F
   D. P

10. Which group contains elements that exist as monoatomic molecule?

    A. 1
    B. 2
    C. 14
    D. 18

    Submitted by: Muhammad Ali Kunbhar