Chapter 5 ZOOLOGY : Locomotion and Reproduction in Protozoa — Online MCQ Test
ZOOLOGY · CLASS 11 INTER I YEAR · Andhra State Board
Practice Chapter 5 ZOOLOGY : Locomotion and Reproduction in Protozoa with a free chapter-wise online MCQ test.
This chapter covers: This chapter covers locomotory organelles mechanisms of movement asexual and sexual reproduction modes in protozoan organisms..
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Chapter 5 ZOOLOGY : Locomotion and Reproduction in Protozoa — Important Questions & Answers
Which of the following locomotory organelles is found in Amoeba?
- A. Pseudopodia
- B. Cilia
- C. Flagella
- D. Myonemes
Answer: A. Pseudopodia
Amoeba moves by forming temporary extensions of the cytoplasm called pseudopodia.
Amoeba moves by forming temporary extensions of the cytoplasm called pseudopodia.
The process of binary fission in Paramecium is:
- A. Transverse
- B. Longitudinal
- C. Oblique
- D. Irregular
Answer: A. Transverse
Paramecium undergoes transverse binary fission where the cell divides across its short axis.
Paramecium undergoes transverse binary fission where the cell divides across its short axis.
Which of the following is NOT a type of asexual reproduction in Protozoa?
- A. Binary fission
- B. Multiple fission
- C. Conjugation
- D. Budding
Answer: C. Conjugation
Conjugation is a form of sexual reproduction, whereas the others are asexual methods.
Conjugation is a form of sexual reproduction, whereas the others are asexual methods.
During conjugation in Paramecium, which nucleus undergoes meiosis?
- A. Macronucleus
- B. Micronucleus
- C. Both
- D. Neither
Answer: B. Micronucleus
The micronucleus is the generative nucleus that undergoes meiosis during the sexual phase of conjugation.
The micronucleus is the generative nucleus that undergoes meiosis during the sexual phase of conjugation.
In the context of the Sol-Gel theory, which change occurs at the anterior end of a pseudopodium?
- A. Gelation of endoplasm
- B. Solation of ectoplasm
- C. Gelation of ectoplasm
- D. Rapid contraction of myosin
Answer: B. Solation of ectoplasm
At the advancing tip of the pseudopodium, the gel-like ectoplasm converts into a more fluid sol state to allow extension.
At the advancing tip of the pseudopodium, the gel-like ectoplasm converts into a more fluid sol state to allow extension.