1. The male rat produces sperms in a pair of _______.   ovules   testes   ovaries   Hint Half-n-half Clue   2. Pick the "odd one out".   Tortoise   Turtle   Alligator   Crocodile   Newt   Half-n-half Clue   3. A fish propels itself through water with the help of its _______.   tail   fins   scales   Half-n-half Clue   4. Which of the following birds uses its feet for climbing?   Duck   Eagle   Thrush   Parrot   Woodpecker   Half-n-half Clue   5. The female rat produces ova in a pair of _______.   testes   ovaries   ovules   Half-n-half Clue   6. The egg of a mammal attaches itself to the wall of the uterus by a placenta.   True   False   7. Which of the following vertebrates does not hibernate?   Tortoise   Hedgehog   Squirrel   Bat   Gorilla   Half-n-half Clue