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Ans: (d) Indeterminate and radial cleavage during embryonic development
Sol. In cockroach, determinate and spiral cleavage is found during embryonic development, not indeterminate and radial cleavage.
Which of the following is not a feature of the plasmids? (a) Transferable (b) Single-stranded (c) Independent replication (d) Circular structure
Which of the following is not a stem modification? (a) Tendrils of cucumber (b) Flattened structures of Opuntia (c) Pitcher of Nepenthes (d) Thorns of citrus