Leeches have ___________

(a)

heart

(b)

lungs

(c)

true blood vessels

(d)

excretory organs

In leeches there are ________pairs of nephridia.

(a)

18

(b)

15

(c)

17

(d)

12

In leeches sperms are stored in

(a)

epididymis

(b)

vas deferens

(c)

testis

(d)

ejaculatory duct

The ovaries of leech lies in the ________segment.

(a)

10^th

(b)

11^th

(c)

13^th

(d)

15^th

The number of cranial and spinal nerves in rabbit are_______ respectively

(a)

11 and 36

(b)

12 and 37

(c)

12 and 36

(d)

10 and 37