1. Who is known as ‘the Darwin of the 20th century’?
a) Lamarck
b) Ernst Mayr
c) Carolus Linneaus
d) Robert May
Explanation: Ernst Mayr is known as ‘the Darwin of the 20th century’
2. The number of known and described species that are in the range of, (approximately)
a) 1.3 to 1.4 million
b) 1.4 to 1.5 million
c) 1.7 to 1.8 million
d) 1.9 to 2.2 million
Explanation: 1.7 to 1.8 million
3. Twin characteristics of growth are
a) Increase in mass
b) Increase in number
c) Both (a) and (b)
d) Increase in length and volume
Explanation: Twin characteristics of growth are increase in mass and number
4. Growth in living organism
a) Is from outside
b) Is from inside
c) Both (a) and (b)
d) Does not take place
Explanation: Growth in living organism is from inside.
5. Which of the following does not grow?
a) Amoeba
b) Yeast
c) Dead body
d) Planaria
Explanation: Dead body does not grow.
6.Growth cannot be taken as a defining property of living organisms because
a) All living organism do not show growth
b) Non-living things also grow from inside.
c) Non-living things also grow.
d) Some living organism does not exhibit the process of reproduction.
Explanation: Growth cannot be taken as a defining property of living organisms because non-living things also grow.
7. Select the total number from the following organism that multiply by budding.
Hydra, Sponges, yeast, earthworm, Planaria, honey bee
a) 2
b) 3
c) 4
d) 5
Explanation: 3
8. For which organism, the growth is synonymous with reproduction?
a) Unicellular algae
b) Amoeba
c) Bacteria
d) All of these
Explanation: All of these
9. Which of the following multiply through fragmentation?
a) Fungi
b) Filamentous algae
c) Planaria
d) All of these
Explanation: All of these
10. Mark the correct statement.
a) The growth in living organisms is from inside.
b) Plants grow only up to a certain age.
c) Only living organisms grow.
d) All of these
Explanation: "The growth in living organisms is from inside". This is the correct statement.