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MCQs

Total Questions : 258 | Page 6 of 26 pages
Question 51. The inner side of guard cells is
  1.    rough
  2.    straight
  3.    concave
  4.    convex
 Discuss Question
Answer: Option C. -> concave
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 52. The area of plants for storage or active metabolism is called
  1.    sinks
  2.    epidermis
  3.    links
  4.    sources
 Discuss Question
Answer: Option A. -> sinks
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 53. The blood groups of Rh-blood group systems includes
  1.    Rh-positive and Rh-negative
  2.    Rh-positive and Rh-negative
  3.    AB-positive and Rh-negative
  4.    Rh-positive and AB-negative
 Discuss Question
Answer: Option A. -> Rh-positive and Rh-negative
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 54. The ventricle of the heart which has most of the thickest wall is
  1.    lower ventricle
  2.    upper ventricle
  3.    right ventricle
  4.    left ventricle
 Discuss Question
Answer: Option D. -> left ventricle
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 55. The person having antigen B on surface of RBCs has
  1.    blood group B
  2.    blood group A
  3.    blood group O
  4.    blood group AB
 Discuss Question
Answer: Option A. -> blood group B
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 56. The aorta is divided into common iliac arteries that includes
  1.    hepatic iliac artery only
  2.    external iliac artery only
  3.    internal iliac artery
  4.    hepatic and external iliac artery
 Discuss Question
Answer: Option D. -> hepatic and external iliac artery
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 57. The Heart Day is celebrated worldwide every year on
  1.    28th March
  2.    28th July
  3.    28th August
  4.    28th September
 Discuss Question
Answer: Option D. -> 28th September
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 58. The transpiration in plants occurs through
  1.    cortex
  2.    phloem cells
  3.    stomata in leaves
  4.    xylem cells
 Discuss Question
Answer: Option C. -> stomata in leaves
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 59. The outer side of guard cells is
  1.    concave
  2.    convex
  3.    rough
  4.    none of above
 Discuss Question
Answer: Option B. -> convex
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 60. The respiratory gases that are present in plasma are
  1.    helium and oxygen
  2.    nitrogen and oxygen
  3.    oxygen and carbon dioxide
  4.    hydrogen and oxygen
 Discuss Question
Answer: Option C. -> oxygen and carbon dioxide
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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