Question

11. Lichens : colonies of algae : : symbiosis : .......... ( )

(A) Nitrogen fixing virus (B) Nitrogen fixing bacteria

(C) Nitrogen fixing fungi (D) All of the above

12. If green plants are coated with oil, then ( )

(A) the stomata will close (B) the air containing CO2

does not enter the leaf

(C) the photosynthesis does not occur (D) all the above

13. Teak : wood yielding plant : Nepanthus :........ ( )

(A) Normal plant (B) Insectivorous plant (C) It is a mushroom (D) Parasitic plant

14. Consider the statement ( )

I - plants that act as scavengers of nature

II - They are called saprophytes

(A) I -true, II is correct name for I (B) II - true, I is correct explanation of II

(C) Both A and B are true (D) None of that are true

15. Match the following : ( )

(1) Cuscuta ( ) (a) roots

(2) Haustaria ( ) (b) bacteria

(3) Dal family & symbiotic life ( ) (c) parasite

(A) 1-a, 2- b, 3- c (B) 1-a, 2- c, 3- b (C) 1-c, 2- a, 3- b (D) 1-c, 2- b, 3- a

16. Match the following ( )

(1) Reflection from a smooth surface ( ) (a) irregular reflection

(2) Reflection from a irregular surface ( ) (b) regular reflection

(3) Dentist ( ) (c) convex

(4) Motor vehicles ( ) (d) concave

(A) 1-a, 2- b, 3- c, 4 - d (B) 1-b, 2- c, 3- a, 4 - d

(C) 1-b, 2- a, 3- c, 4 - d (D) 1-b, 2- a, 3- d, 4 - c

Post the correct answers ok... who give the answers first I will add in brainliest​

Answer 1

Answer:

11 (B) ;12 (D) ; 13(C) ; 14( B) ;