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Which one of the following groups of animals reproduces only by sexual means?
Options
(a) Ctenophora
(b) Cnidaria
(c) Porifera
(d) Protozoa
Correct Answer:
Ctenophora
Explanation:
In Ctenophora, sexes are not separate. Reproduction takes place only by sexual means. In Cnidaria, which exist in both forms, polyps produce medusae asexually and medusae form the polyps sexually. Porifera (sponge) reproduce asexually by fragmentation and sexually by formation of gametes. Protozoans come under protista which reproduce asexually and sexually by cell fusion and zygote formation.
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Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Plant and Animal Kingdom
(295)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Coagulation will not be affected in the absence of factor
- The endocrine gland of insects, which secretes the juvenile hormone is
- The term phylum was given by
- Which one of the following is wrongly matched about root veg?
- Which one of the following is not an essential mineral element for plants
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Plant and Animal Kingdom (295)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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