Match each item in Column I with one item in Column II and chose your answer from the codes given below:

Codes

             (a)  (b)  (c)  (d)  (e) 

1.          (i)  (ii)  (iii)  (iv)  (v) 

2.          (iv)  (iii)  (ii)  (i)  (v)   

3.          (iv)  (iii)  (i)  (v)  (ii)

4.          (iii)  (ii)  (i)  (v)  (iv) 

Match the organism in Column-I with its excretory structure in Column-II

1. (A)$\to$(s),(B)$\to$(p),(C)$\to$(q),(D)$\to$(r)

2. (A)$\to$(s),(B)$\to$(p),(C)$\to$(r),(D)$\to$(q)

3. (A)$\to$(q),(B)$\to$(p),(C)$\to$(r), (D)$\to$(s)

4. (A)$\to$(s), (B)$\to$(q),(C)$\to$(r),(D)$\to$(p)

Which of the following animal has a bony endoskeleton?

(1) Exocoetus

(2) Clarias

(3) Pristis

(4) both (1) and (2)

In which of these examples are the members exclusively chondrichthyes

(1) Scoliodon, Pristis, Labeo, Betta

(2) Scoliodon, Pristis, Betta, Trygon

(3) Scoliodon, Trygon, Pristis, Carcharodon

(4) Scoliodon, labeo, Carcharodon, Pristis

Match the following:

1. (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv)
2. (a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
3. (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
4. (a)-(iii), (b)-(iii), (c)-(ii), (d)-(i)

Select the incorrect option with respect to animal listed in column A and features exhibited in column B

Which one of the following groups of animals is correctly matched with its one characteristic feature without even a single exception?

(1) Chordata - possess a mouth provided with an upper and a lower jaw

(2) Chondrichthyes - possess cartilaginous endoskeleton

(3) Mammalia - give birth to young ones

(4) Reptilia - possess 3-chambered heart with one incompletely divided ventricle

Choose the incorrect match with respect to animal, is phylum and two features

Which of the following statement/s about chondrichthyes are incorrect?

1) Notochord is persistent throughout life

2) Endoskeleton is made up of bones

3) Operculum present

4) Skin is covered by placoid scales

(1) All of the above

(2) None of the above

(3) 1 and 4 are incorrect

(4) 2 and 3 are incorrect

In males pelvic fins bear claspers in

1. Carcharodon

2. Pterophyllum

3. Exocoetus

4. Labeo