Exercise 2

Question 6 :

Plant bends towards the source of light on account of the movement of curvature known as


A). geotropism
B). thigmotropism
C). chemotropism
D). phototropism
Answer : Option D

Question 7 :

Plant have ____ while animals lack it.


A). starch
B). cellulose
C). protein
D). fat
Answer : Option B

Question 8 :

Osmosis is the flow of solution from higher concentration to a solution of lower concentration through a semi permeable membrane. What is incorrect in this statement?


A). Exact concentration of solution is not given
B). Character of semi permeable membrane is not given
C). The flow of solution is not possible through semi permeable membrane
D). All are incorrect
Answer : Option C

Question 9 :

Photosynthesis is a process


A). reductive and exergonic
B). reductive and catabolic
C). reductive, endergonic and catabolic
D). reductive, endergonic and anabolic
Answer : Option D

Question 10 :

On which of the following plants did Gregor Mendal perform his classical experiment?


A). Gram
B). Maize
C). Pea
D). Wheat
Answer : Option C