The flow of energy in an ecosystem is always:
Unidirectional
Bidirectional
Cyclic
Multidirectional
What provides the energy which then flows through a food chain?
Glucose
Oxygen
Respiration
Sunlight
The starters of food chain are:
Predators
Decomposers
Herbivores
Producers
Flowers which bloom at night are:
Heavily scented and white coloured.
Heavily scented and brightly coloured.
Large and showy without scent.
White colored without scent.
Choose the correct food chain.
Grass → frog → grass hopper → snake
Snake → frog → grass hopper → grass
Grass hopper → frog → snake → grass
Grass → grass hopper → frog → snake
The branch of biology which deals with the study of living organisms and their habitat.
Ecosystem
Ecology
Evolution
Cytology
Birds and animals living in the snow region develop a coat during winters. Which one is it?
Bright coloured
Dark
White
Brown
Which of the following types of relationships are prey-predator relationship and symbiosis?
Negative, neutral
Neutral, negative
Positive, negative
Negative, positive
What happens in commensalism?
One partner is benefited, other not harmed
One partner is benefited, other harmed.
Both partners are harmed.
Both partners are benefited.
Which of the following belong to the category of secondary consumers?
Goat, grass hopper
Snake, sparrow
Cat, owl
Apple tree, wheat
