Nutrition in plants Worksheet-1

Nutrition in plants Worksheet-1

 

Multiple-Choice Questions:

  1. Nutrition includes the study of:

(A) The organism's food                          

(B) Process of digestion

(C) The way an organism obtains food  

(D) All of these

 

  1. The movement of water vapour out of a plant and into air is called:

(A) Transpiration                            (B) Respiration   

(C) Perspiration                               (D) Exudation

 

  1. Process by which plants use sunlight, water and carbon dioxide to make sugar and release oxygen is:

(A) Photosynthesis                          (B) Respiration             

(C) Transpiration                             (D) Any of these

 

  1. Water, food and minerals are distributed through a network of:

(A) Veins                                           (B) Root hair                

(C) Guard cells                                 (D) None of these

 

  1. Rhizobium nitrogen fixing bacterium is present in symbiotic association with the roots of leguminous plants like pea. This bacterium converts atmospheric nitrogen into usable form of nitrogen. Whereas in plants like rose this bacterium is not present. Then from where do they get nitrogen?

(A) Urea is added to the soil

(B) They can obtain it from other plants

(C) They absorb nitrogen gas from air

(D) Any of these

 

  1. During the process of photosynthesis oxygen is released. The carbohydrates formed get converted into ______.The presence of which in leaves can be tested by iodine test.

(A) Starch            (B) Glucose          (C) Fructose         (D) Maltose

 

  1. Chemo autotrophs prepare their food in the presence of:

(A) Sunlight         (B) Chemicals      (C) Both of these

 

  1. _____ is a beneficial relationship between two organisms.

(A) Commensalism                          (B) Symbiosis     

(C) Parasitism                                   (D) None of these

 

  1. Digestive juices are secreted by the pitcher plant in:

(A) The leaves                                  (B) The pitcher             

(C) The flowers                                (D) The roots

 

  1. The slimy green patches in ponds and in other water stagnant bodies are generally formed by the growth of:

(A) Amoeba         (B) Algae              (C) Fungi            (D) Mycorrhiza

 

Answer Key:

  1. (D)
  2. (A)
  3. (A)
  4. (D)
  5. (A)
  6. (A)
  7. (B)
  8. (B)
  9. (B)
  10. (B)