Animal Classification by MCQs with Answers

Causation in animal behaviour that occurs on an evolutionary time scale is a/an cause.

• A.Proximate
• B.Ultimate
• C.Immediate
• D.Acquired

The cleavage in which the lines or planes of cleavage are asymmetrical between poles is:

• A.Radial and indeterminate
• B.Spiral and determinate
• C.Bilateral and indeterminate
• D.Radial and determinate

What do cows produce that humans often drink?

• A.Water
• B.Milk
• C.Juice
• D.Honey

Choose the correct pair for homology?

• A.Forelimbs of birds and fins of whales
• B.Wings of butterfly and wings of bat
• C.Eyes of octopus and eyes of mammals
• D.Flippers of penguins and flippers of dolphins

Wildlife migration to other habitats can be considered ?

• A.an adaptation for survival
• B.a response to environmental changes
• C.Both A and B
• D.None of these

A series of mitotic division in the zygote is called?

• A.Fertilization
• B.Gastrulation
• C.Organogenesis
• D.Cleavage

Females of one species choose mates based on song quality; females of another species choose mates on the basis of size. What sort of barrier exists between these two species?

• A.Geographic barrier
• B.Behavioral barrier
• C.Mechanical barrier
• D.Temporal barrier

Queen is supposed to be the mother of _?

• A.Worker bees
• B.Drones
• C.Future queen bees
• D.All of these

Structures with similar function but different evolutionary origin are called?

• A.Homologous structures
• B.Rudimentary structures
• C.Vestigial structures
• D.Analogous structures

The inherited behaviour is called ?

• A.Habit
• B.Learning
• C.Reflex
• D.Instinct