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The structure in earthworm which serves ...

The structure in earthworm which serves as a wedge to force open cracks in the soil is:

A

peristomium

B

setae

C

clitellum

D

prostomium

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SARAS PUBLICATION-MODEL QUESTION PAPER 6-EXERCISE
  1. Read thestatements regarding echinoderms and choose the correct option...

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  2. This class of animals are all ectoparasites in some fishes:

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  3. The structure in earthworm which serves as a wedge to force open crack...

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  4. Which among these is not involved in excretion in cockroaches?

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  5. Frogs:

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  6. Most of the cartilages in vertebrate embryo are replaced in adult by:

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  7. Name the specialised connective tissue.

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  8. The moiety present at the 5’end of ribose sugar in a polynucleotide is...

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  9. Three alleles namely 1^ A, I^B, and i control the blood grouping in hu...

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  10. An example for co-dominance:

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  11. The nuclear structure observed by Henking in 50% of the insect sperm a...

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  12. Physical-association of genes one chromosome is called:

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  13. In the double-helical structure of DNA, the pitch of the helix is:

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  14. In the ribose of RNA, unlike DNA, (Every nucleotide residue has an add...

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  15. What is a nucleosome?

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  16. What are microsatellites?

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  17. Some amino acids are coded by more than one codon as the code is:

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  18. DNA replicates semi-conservatively was first shown in:

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  19. The enzyme that catalyses transcription of RNA in bacteria:

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  20. A molecule to act as a genetic material has the following properties:I...

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