MCQ ON Zoospores (Asexual Reproduction) for NEET |MCQ ON —NEET Biology class 12th |MCQ Questions for class 12 Biology chapter Zoospores (Asexual Reproduction) with answer | Check the below NCERT MCQ question for class 12 Biology chapter 1 based on Zoospores (Asexual Reproduction) with answers.
MCQ Questions for class 12 Biology with Answers were prepared based on the latest pattern. We have provided class 12 Biology MCQs questions on Zoospores (Asexual Reproduction) with answers to help students understand the concept very well.
MCQ on is useful for NEET/ CSIR/ UGC/ CBSE/ ICSE /AIIMS EXAM/ AFMC EXAM/ JAC exam/ STATE LEVEL MEDICAL EXAM
Introduction:-
Zoospores:- Zoospores are motile asexual spores produced by various types of protists, algae, fungi, and some lower plants. These spores are characterized by their ability to swim in water due to the presence of one or more flagella, which are whip-like appendages used for propulsion.
Key characteristics of zoospores:
1. Flagella: Zoospores typically have one or more flagella that allow them to move actively in a liquid environment, usually water. The flagella enable them to seek out favorable conditions for germination and colonization.
2. Asexual Reproduction: Zoospores are a means of asexual reproduction in many organisms. They are produced by the parent organism as a way to disperse and form new individuals without the need for sexual reproduction.
3. Encystment: In some cases, zoospores can encyst, which means they surround themselves with a protective cyst or membrane. This cyst helps protect the zoospore from adverse environmental conditions.
4. Diverse Organisms: Zoospores can be found in a variety of organisms, including some algae (such as brown algae and some green algae), certain fungi (chytrids), and protists like water molds (oomycetes).
5. Ecological Importance: Zoospores play a significant ecological role in aquatic ecosystems. They are involved in nutrient cycling, the decomposition of organic matter, and can be important pathogens of aquatic plants and animals.
6. Germination: Once zoospores find a suitable environment, they undergo germination, leading to the development of a new organism, such as an algal thallus or a fungal mycelium.
Zoospores are an adaptation that allows certain organisms to disperse and colonize new habitats efficiently, especially in aquatic environments where water movement can aid in their dispersal.
MCQ ON Zoospores (Asexual Reproduction)
Here are 10 multiple-choice questions (MCQs) related to the process of Zoospores in asexual reproduction, along with their answers:
1. What are zoospores?
a) Reproductive cells with wings
b) Motile asexual spores with flagella
c) Dormant spores found in fungi
d) Plant seeds
Answer: b) Motile asexual spores with flagella
2. Which of the following organisms commonly produces zoospores?
a) Flowering plants
b) Insects
c) Fungi (chytrids)
d) Mammals
Answer: c) Fungi (chytrids)
3. What is the primary function of flagella on zoospores?
a) Protection from predators
b) Nutrient absorption
c) Reproduction
d) Locomotion in water
Answer: d) Locomotion in water
4. In which type of environment are zoospores typically most active?
a) Arid desert
b) Deep underground
c) Aquatic or moist conditions
d) High mountain ranges
Answer: c) Aquatic or moist conditions
5. How do zoospores contribute to the life cycle of certain algae?
a) By forming seeds
b) By enabling asexual reproduction
c) By facilitating pollination
d) By producing flowers
Answer: b) By enabling asexual reproduction
6. What is encaystment in the context of zoospores?
a) The formation of a protective cyst around the spore
b) The fusion of zoospores to create a new organism
c) The process of spore dispersal
d) The sexual reproduction of zoospores
Answer: a) The formation of a protective cyst around the spore
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7. Which of the following organisms is NOT known to produce zoospores?
a) Brown algae
b) Water molds (oomycetes)
c) Chytrid fungi
d) Flowering plants
Answer: d) Flowering plants
8. What ecological role do zoospores play in aquatic ecosystems?
a) They are primary producers.
b) They are apex predators.
c) They contribute to nutrient cycling and decomposition.
d) They are responsible for pollination.
Answer: c) They contribute to nutrient cycling and decomposition.
9. Zoospores are primarily involved in which type of reproduction?
a) Sexual reproduction
b) Asexual reproduction
c) Both sexual and asexual reproduction
d) Vegetative reproduction
Answer: b) Asexual reproduction
10. How do zoospores contribute to the spread of certain plant diseases?
a) By forming symbiotic relationships with plants
b) By facilitating the growth of beneficial microorganisms
c) By acting as vectors for pathogens
d) By producing antifungal compounds
Answer: c) By acting as vectors for pathogens
Conclusion:-
MCQ ON Zoospores (Asexual Reproduction) for NEET:- Zoospores are primarily involved in which type of reproduction? a) Sexual reproduction, b) Asexual reproduction, c) Both sexual and asexual reproduction, d) Vegetative reproduction, Answer: b) Asexual reproduction.
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