Lakshya Education MCQs

Question: The kidneys are stimulated to produce renin
A.When the pH of the urine decreases
B.When the specific gravity of urine rises above 1.10
C.When the peritubular capillaries are dilated
D.By a decrease in the blood pressure
Answer: Option D

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More Questions on This Topic :

Question 1. Glomerulus and Bowman's capsule constitute
  1.    Blood vessels
  2.    Malpighian body
  3.    Green gland
  4.    Malpighian tubule
Answer: Option D
Question 2. In mammals, an important role of excretion is played by ________
  1.    Large intestine
  2.    Kidneys
  3.    Lungs
  4.    Liver
Answer: Option B
Question 3. Nephron is related to which of the following system of human body?
  1.    Circulatory system
  2.    Excretory system
  3.    Reproductive system
  4.    Respiratory system
Answer: Option B
Question 4. Eustachian Tube is located in which part of human body?
  1.    Nose
  2.    Ear
  3.    Eyes
  4.    Throat
Answer: Option B
Question 5. ________ helps the eye to adjust the focal length of the lens.
  1.    Lens
  2.    Ciliary body
  3.    Retina
  4.    Entire eye ball
Answer: Option B
Question 6. A colour blind person has difficulty in distinguishing which of the two colours?
  1.    Green & Red
  2.    White & Red
  3.    Blue & Red
  4.    Red & Black
Answer: Option A

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