Q.1.
One species of animal but thousands of .......
Q.2.
One red-nosed reindeer but six .......
Q.3.
One deer but many .......
Q.4.
A herd of swine (= pigs) but one .......
Q.5.
One sheep but two .......
Q.6.
One army barracks (accommodation) but five .......
Q.7.
One series of 'Dr. Who' but three .......
Q.8.
One cod but a shoal of .......
Q.9.
One fish swimming in the river but seven .......
Q.10.
One headquarters but nine .......