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Read thestatements regarding echinoderms...

Read thestatements regarding echinoderms and choose the correct option:I. All are marine with organ system level organisation.II. Adults are bilaterally symmetrical.III. They are dioecious.IV. Fertilisation is internal and indirect development is observed.V. Triploblastic and acoelomate animals.

A

I and III are correct

B

I and IV are correct

C

l, III and V are correct

D

l and V are correct

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SARAS PUBLICATION-MODEL QUESTION PAPER 6-EXERCISE
  1. Oparin and Haldane proposed:

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  2. Flame cells of flatwoims help in:I. osmoregulation,II. Digestion,III. ...

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  3. Read thestatements regarding echinoderms and choose the correct option...

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

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

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

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  7. Frogs:

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

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  9. Name the specialised connective tissue.

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

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

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  12. An example for co-dominance:

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

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

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

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

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  17. What is a nucleosome?

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  18. What are microsatellites?

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

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

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