Science weekly test-1

The mode of nutrition in which organisms make food themselves from simple substance is called

• Heterotrophs

• Parasite

• Autotrophs

Cascuta is an example of

• Insectivorous plants

• Parasite

• Saprotrophs

Some organisms live together and share both shelter and nutrients.This relationship is called

• Symbiosis

• Lichens

• Algae

The food synthesised by plants is stored as

• Starch

• Proteins

• Carbohydrate

• Vitamins

Indentify the part of leaf

Green pigment present in leaves are called

• Chlorophyll

• Stoma

• None of these

Which parasitic plant is this

• Cuscuta

• Corpse flower

• Noone of theese

The bodies of living organisms are made of tiny units called

• Cell membrane

• Cell

• Nucleus

Which gas is needed for photosynthesis

• Nitrogen

• Hydrogen

• None of theese

Which is the test to find presence of starch

• Iodine test

• sulphate solution test

• None of these