Question

Pls tell in Q39. & Q40. which statements are correct with reasons​

Answer 1

Explanation:

1. some bacteria are present in root nodules leguminous plants.
2. green colour in leaves help in photosynthesis

Answer 2

39. ans

Statement 1 and Statement 2 both are correct because Some bacteria( nitrogen fixing bacteria ) are present in the root nodules of leguminous plants such as pea, lentils etc. And as bacteria are present in root nodules, it is also clarified that leguminous plants have nodulated roots...

40. ans

In this case also, both the statements are correct because the green colour present in leaves is due to chlorophyll named pigment which captures the sunlight and sunlight is a necessary factor for photosynthesis. And the glucose is produced as a result of photosynthesis. Plants need the energy glucose provides in order to grow and reproduce. Starch and glucose both are the products of photosynthesis and also both are types of carbohydrate...

Hence, all the Statements are correct and the reason is verified...