Question 1. Holozoic nutrition is characterized by
phagocytosis of solid nutrients and subsequent formation of phagocytic vacuoles
pinocytosis of solid nutrients and subsequent formation of phagocytic vacuoles
phagocytosis of soluble nutrients and subsequent formation of phagocytic vacuoles
photosynthesis
Explanation:-
Answer: Option A. -> phagocytosis of solid nutrients and subsequent formation of phagocytic vacuoles
Question 2. Saprozoic nutrition is characterized by
pinocytosis of solid nutrients and subsequent formation of phagocytic vacuoles
phagocytosis of solid nutrients and subsequent formation of phagocytic vacuoles
pinocytosis of soluble nutrients and subsequent formation of phagocytic vacuoles
encystment of solid nutrients and subsequent formation of secretory vacuoles
Explanation:-
Answer: Option C. -> pinocytosis of soluble nutrients and subsequent formation of phagocytic vacuoles
Question 3. Which of the following is least likely to have a rigid cell wall?
Fungus
Protozoan
Archaean
Bacterium
Explanation:-
Answer: Option B. -> Protozoan
Question 4. The numbers of nuclear divisions involved in a ciliate undergoing binary fission is
greater than conjugation
none of these
equal to conjugation
lesser than conjugation
Explanation:-
Answer: Option D. -> lesser than conjugation
Question 5. Organisms with amoeboid cells that move within a network of mucous tracks using a typical gliding motion belong to which phylum of Protozoa?
Labyinthomorpha
Microspora
Myxozoa
Apicomplexa
Explanation:-
Answer: Option A. -> Labyinthomorpha
Question 6. Sexual reproduction in the Protozoa occurs most commonly by
binary fission
conjugation
gametangial contact
binary fusion
Explanation:-
Answer: Option B. -> conjugation
Question 7. Organisms with complex life cycles which include a mammalian host and an insect host and involves schizogony as part of the cycle belong to which phylum of Protozoa?