Population and Related Problems in India — Biology STD 10 — Question

__________ are evolutionary remains with little or no current use or function.

Sphincter:

In kidneys, urine is produced by:

Given below is the hypothetical data in reference to population (in crores) of two countries X and Y, during the last three decades.

Country	1961	1971	1981
X	6.8	9.9	10.5
Y	15.5	15.5	15.2

The rate of growth of population of country_________has declined between the years_________and_________

Choose the Odd One Out:

• Antidiuretic hormone
• Excretion
• Collecting tubule
• Hypotonic urine

Blood cells are manufactured in:

Fertilisation means:

Guard cells:

The exceptionally high rate of population growth is known as __________

In an interphase cell chromosome are as _____________