CLASS -9 BIOLOGY

Which of the pigments given below is the main pigment that performs photosynthesis?

• Chlorophyll a

• Chlorophyll b

• Xanthophyll

• Carotene

The fluid part of the chloroplast is……..

• Grana

• Stroma

• Carotene

• Chlorophyll b

The light reaction occurs in the ………….

• Mitochondria

• The stroma of the chloroplast.

• Stem of plants

• Grana of chloroplast

Plants store glucose in the form of ………….. in leaves.

• Glucose

• Insoluble starch.

• Fat

• Glycogen

………. is the living tissue which forms the tooth.

• Cementum

• Pulp

• Dentine.

• Calcium

………….. helps to destroy the germs that enter the body through food.

• Saliva

• Mucus

• Lysozyme

• Salivary amylase

When iodine is added to starch color appears.

• Red

• Yellow

• Blue

• Green

From the mouth, food enters the………. through the pharynx

• Epiglottis

• Uvula

• villi

• Oesophagus

………….. converts protein to peptones partially

• Hydrochloric acid

• Mucus

• Pepsin

• Salivary amylase

………….. protects the stomach wall from the action of digestive juices.

• Mucus

• Pepsin

• Salivary amylase

• Lysozyme