Search By Topics
In humans, the excretory system consists of one pair of kidneys, a pair of ureters, a urinary bladder and a urethra. Each kidney has over a millio
345 Join the discussion.
This practice test includes 25 questions from chapter excretory system class 11.
24 Questions 1.79K Join the discussion.
Plants unlike animals have no special systems for breathing or gaseous exchange. Stomata and lenticels allow gaseous exchange by diffusion. Almo
336 Join the discussion.
This practice test includes 25 questions from chapter Respiration In Plants Class 11.
25 Questions 1.86K Join the discussion.
Green plants make their own food by photosynthesis. During this process carbon dioxide from the atmosphere is taken in by leaves through stomata a
382 Join the discussion.
Anatomically, a plant is made of different kinds of tissues. The plant tissues are broadly classified into meristematic (apical, lateral and int
334 Join the discussion.
This practice test includes 25 from the chapter human reproduction class 12.
25 Questions 4.78K Join the discussion.