Question

1. Name a common nutrient that is

absorbed in the small intestine and

reabsorbed by the kidney tubules. 1

2. The presence of a particular group of

bacteria in water bodies indicates

contamination. Identify the group. ​

Answer 1

(1)glucose

(2)algae

Mark as brainlist

Answer 2

1.glucose.

2.coliform.

Cbse has released answer key for the sample paper. You can check that if you have any doubt.