Question : Ecosystem consists of:

Option 1: A biotic community and its non - living elements

Option 2: Population

Option 3: A population and its non - living elements

Option 4: A biotic community

Question : In a food chain, secondary producers are ______.

Option 1: omnivores

Option 2: herbivores

Option 3: carnivores

Option 4: decomposers

Question : 'Agronomy' is the practice of raising _________.

Option 1: Plants and animals

Option 2: Crop plants

Option 3: Agriculture

Option 4: Fruit plants only

Question : The primary producer in an ecosystem are:

Option 1: Women

Option 2: Men

Option 3: Plants

Option 4: Bacteria

Question : Which one of the following is true regarding plant cells and animals cells?

Option 1: plant cells contain chlroplast while animal cells do not.

Option 2: Plants cells are small while animal cells are large in size

Option 3: Plants cells contain nucleus while animals cell do not

Option 4: Plants cells and animal are similar in all respects