Fill in the blanks and choose the correct option given below.

(i) On and average, female cockroach produce oothecae, each containing eggs.

(ii) In cockroach, nymph grows by moulting about times to reach adult form.

(iii) The most common species of frog found is India is .

(iv) Summer sleep is called whereas winter sleep is called in animals such as frog.

(v) protects eyes of frog in water.

(vi) In frog, hind limbs end in digits whereas fore limbs end in digits. The copulatory pad is present on the digit of limb in male.

(vii) The length of intestine of reduced in frog as frogs are organism.

(viii) During aestivation and hibernation gaseous exchange take place through in frog.

(ix) Frog has chambered heart containing atria and ventricle.

(x) The ventricle of heart in frog opens into a sac-like conus arteriosus on side of heart.

(xi) Frog excretes as nitrogenous waste, thus is a animal.

(xii) In frog there are pair of cranial nerves arising from the brain.

(xiii) Male reproductive organs in frog are found adhered to upper part of kidney by a double fold of peritoneum called . Vasa efferentia enter the kidney and opens into

(xiv) In frog is a small, median chamber that is used to pass faecal matter, urine and sperm to the exterior.

(xv) A mature female frog can lay ova at a time. Fertilisation is and development involves a larval stage called .