CLASS X BIOLOGY

The chlorophyll in photosynthesis is used for

• Absorbing light

• Breaking down water molecule

• No function

• Reduction of CO2

Proteins after digestion are converted into

• Carbohydrates

• Small globules

• Amino acids

• starch

Carbohydrates in the plants are stored in the form of

• Glycogen

• Starch

• Glucose

• Maltose

Main site of photosynthesis

• Leaf

• Stem

• Chloroplast

• Guard cells

Photosynthesis is a

• Catabolic process

• Parabolic process

• Amphibolic process

• Photochemical process

Temporary finger like extensions on amoeba are called

• Cell membrane

• Cell wall

• Pseudopodia

• Cilia

One cell-thick vessels are called

• Arteries

• Veins

• Capillaries

• Pulmonary artery

Bile juice is secreted by

• Stomach

• Pancreas

• Small intestine

• Liver

Which of these juices is secreted by pancreas?

• Trypsin

• Pepsin

• Bile juice

• Both I and II

Which of the following statements about the autotrophs is incorrect?

• They synthesize carbohydrates from carbon dioxide and water in the presence of sunlight and chlorophyll

• They store carbohydrates in the form of starch

• They convert carbon dioxide and water into carbohydrates in the absence of sunlight

• They constitute the first trophic level in food chains