Structural Organisation in Plants and Animals Sample Questions for Class 11
Question 1
This process releases energy in the cell when there is an insufficient amount of oxygen and can produce lactic acid or alcohol.
A. Fermentation
B. Photosynthesis
C. Calvin cycle
D. Chemosynthesis
Question 2
What is the jelly-like material that is found inside the bell of a jellyfish and gives it its structure?
A. mesoglea
B. cytoplasm
C. ocelli
D. cnidocil
Question 3
What results from the higher concentration of protons outside the inner membrane than inside, and becomes the driving force behind ATP synthesis and hydrolysis?
A. a proton gradient
B. catalysis
C. an open system
D. an isolated system
Question 4
The main catalyst for photosynthesis is
A. enzymes.
B. chlorophyll a.
C. chlorophyll b.
D. light.
Question 5
What statement about jawless fishes is correct?
A. There is only one surviving type of jawless fish, the lamprey.
B. No jawless fishes are parasites.
C. Jawless fishes may feed on dead fish bodies.
D. Lampreys are less developed than hagfish, but they lack fully formed skulls.