PPSC Lecturer Botany Test 6 Online Preparation MCQs

The egg shell of birds becomes thin by the pollution from pesticides due to the interference in the activity of:

Which of the following is a vestigial organ in man?

The variation which appear because of changed environmental condition and disappears on restoration are called:

Considering the Earth's ecosystem, the consumers are classified as:

The type of aquatic animals that can survive in particular water is determined by analyzing its:

Wide variety of living things is called:

The organs which perform the same function are called:

The actual location or place where an organism lives is called:

Air, water, light, temperature and pH makes up the:

Which of the following is a biotic component of an ecosystem?

The book “Origin of Species” was written by:

The animals that are fed on plants are classified as:

The ecosystems of the world are together classified as:

Considering the Earth's ecosystem, the producers are called:

Ontogeny repeats phylogeny was stated by:

Vul tures and Hyenas are:

The term mutation was coined by:

The population that interact with one another and live in a particular habitat are best classified as:

When a single gene has multiple effects, the phenomenon is called:

Lamarck’s theory of evolution was published in:

The sleep like state which an animal adopt to lower metabolic rates is called:

The interaction between algae and fungi to form lichen is called:

In a dihybrid cross, the ratio of F2 generation is:

Which of the biomes has been increased in area by human activities?

Which zone of the lake ecosystem consists of phyto-and zoo-planktons?