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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.
Related Questions: - The first stable compound formed during C cycle is
- The ovary after fertilization is converted into
- What is genophore
- Soil salinity is measured by
- Deficiency symptoms of nitrogen and potassium are visible first in:
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
- The first stable compound formed during C cycle is
- The ovary after fertilization is converted into
- What is genophore
- Soil salinity is measured by
- Deficiency symptoms of nitrogen and potassium are visible first in:
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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