Moderately toxic compound:_________?

Related Mcqs:

1. A compound toxic to crop formed by the thermal decomposition of urea is_________________?

   A. Uric acid
   B. Biurct (NH2CONH CONH2 H2O)
   C. Diuret
   D. Both b & c

2. The most abundant metal in the earth’s crust and toxic to plants in low concentration is____________________?

   A. Mo
   B. Al
   C. Fe
   D. All the above

3. Soils are also contaminated by a number of inorganic compounds which are also high toxic to human & other animals & are extremely poisonous may include:

   A. Arsenic & Cadmium
   B. Mercury & chromium
   C. Calcium & Magnesium
   D. Both A & B

   Submitted by: Shafiq Rehman

4. Resin is a toxic substance found in _______________?

   A. Guava
   B. Mango
   C. Apple
   D. Cassava

5. Which compound is mostly used in Pakistan for the reclamation of saline-sodic & sodic soils_________________?

   A. Apatite
   B. Calcite
   C. Dolomite
   D. Gypsum

6. Which compound decay slowly______________________?

   A. Amino acid
   B. Lignin
   C. fats
   D. Cellulose

7. Most abundant organic compound in nature?

   A. Cellulose
   B. Hemicellulose
   C. Lignin
   D. All of these

   Submitted by: Shafiq Rehman

8. Fe is trivalent in which of the chemical compound:

   A. Fe (NO₃)₃
   B. Fe₂ (NO₃)₃
   C. Fe₃ (NO₂)
   D. None of these

   Submitted by: Shafiq Rehman

9. Organisms satisfying their carbon requirement as Co2 from atmosphere and energy requirement from oxidation of simple inorganic compound are called as_________?

   A. Chemoautotroph
   B. Photoautotroph
   C. Saprophyte
   D. None of these

   Submitted by: Shafiq Rehman

10. A controlled oxidation process by which all organisms ultimately obtain the energy stored in organic compound is known as_______________?

    A. Oxidation
    B. Transportation
    C. Respiration
    D. Both a & b