Nutrition in plants

Rhizobium is an example of

• Symbiosis

• Parasites

• Insectivorous

• None of these

Green plants are

• Herbivores

• Autotrophs

• Heterotrophs

• Omnivores

The tiny pores present in the leaves for exchange of gases are called

• Chloroplast

• Trachea

• Stomata

• Spiracles

Which part of the plant gets carbon dioxide for photosynthesis?

• Root hair

• Leaf veins

• Stomata

• Sepals

Iodine used to detect presence of starch changes to

• Red colour

• Blue-black colour

• Green colour

• Colourless

Amarbel(Cuscuta) is an example of

• Autograph

• Saprophyte

• Host

• Parasite

The plant which traps and feeds on insects is

• China rose

• Cuscuta

• Pitcher plant

• Rose

Which of the following is used by green plants to prepare food?

• Water

• Sunlight

• Carbon dioxide

• All of these

Which if the following statement is not true?

• Heterotrophs cannot prepare their own food

• Dodder is an example of parasite

• Saprophytes are green

• Pulses and beans are legumes

The main function of a leaf is

• To prepare food

• To prevent disease

• To support the plant

• To give a proper shape