Question

Following are given four statements (i)- (iv) related to frog. Read the statements carefully and select the option that identifies two correct statements.
(i) The brain is divided into fore-brain, mid-brain and hind-brain
(ii) Vasa efferentia enter the kidneys on their side and open into bidder's canal.
(iii) Ear acts as a hearing organ only
(iv) RBCs are enucleated and contain red coloured pigment namely haemoglobin.

• A. (ii) and (iii)
• B. (i) and (ii)
• C. (iii) and (iv)
• D. (i) and (iv)

Answer 1

The correct option is B (i) and (ii)

• In frogs, the brain is divided into forebrain, midbrain, and hindbrain.
  
• Vasa efferentia is 10-12 in number that arises from the testes of frogs. They enter the kidneys on their side and open into the bidder's canal.
  
• The ear acts as a hearing as well as balancing organ.
• RBCs are nucleated in frogs and contain red coloured pigment namely haemoglobin.

So, the correct answer is option B.