Question 6
Which among the following has an open circulatory system?

(i) Arthropoda
(ii) Mollusca
(iii) Annelida
(iv) Coelenterata

(a) (i) and (ii)
(b) (iii) and (iv)
(c) (i) and (iii)
(d) (ii) and (iv)

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Solution

Ans) (a) (i) and (ii)

Arthropoda and Mollusca have an open type of circulatory system.

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Similar questions

Q. Which among the following have an open circulatory system?

(i) Arthropoda
(ii) Mollusca
(iii) Annelida
(iv) Coelenterata

Q. Question 2
Which among the following has specialized tissue for conduction of water?

(i) Thallophyta
(ii) Bryophyta
(iii) Pteridophyta
(iv) Gymnosperms

(a) (i) and (ii)
(b) (ii) and (iii)
(c) (iii) and (iv)
(d) (i) and (iv)

Question 10
Which among the following have scales?

(i) Amphibians
(ii) Pisces
(iii) Reptiles
(iv) Mammals

(a) (i) and (iii)
(b) (iii) and (iv)
(c) (ii) and (iii)
(d) (i) and (ii)

Q. Question 10
Which among the following have scales?

(i) Amphibians
(ii) Pisces
(iii) Reptiles
(iv) Mammals

(a) (i) and (iii)
(b) (iii) and (iv)
(c) (ii) and (iii)
(d) (i) and (ii)

Q. Question 6
Which of the following are physical changes?
(i) Melting of iron metal
(ii) Rusting of iron
(iii) Bending of an iron rod
(iv) Drawing a wire of iron metal

(a) (i), (ii) and (iii)
(b) (i), (ii) and (iv)
(c) (i), (iii) and (iv)
(d) (ii), (iii) and (iv)

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Arthropoda

Standard IX Biology

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Question 6 Which among the following has an open circulatory system? (i) Arthropoda (ii) Mollusca (iii) Annelida (iv) Coelenterata (a) (i) and (ii) (b) (iii) and (iv) (c) (i) and (iii) (d) (ii) and (iv)

Ans) (a) (i) and (ii) Arthropoda and Mollusca have an open type of circulatory system.

Question 6
Which among the following has an open circulatory system?

(i) Arthropoda
(ii) Mollusca
(iii) Annelida
(iv) Coelenterata

(a) (i) and (ii)
(b) (iii) and (iv)
(c) (i) and (iii)
(d) (ii) and (iv)

Ans) (a) (i) and (ii)

Arthropoda and Mollusca have an open type of circulatory system.