Life process

Which of the following is not a digestive enzyme contained in the pancreatic juice?

i. Lipase

ii. Hydrochloric acid

iii. Mucus

iv. Trypsin

• a) (i) and (ii)

• b) (i) and (iv)

• c) (ii) and (iii)

• d) (i) and (iii)

2. The enzymes pepsin and trypsin are secreted respectively by

• a) Stomach and pancreas

• b) Salivary gland and stomach

• c)Liver and pancreas

• d) Liver and salivary gland

Among the following choose the correct option which includes the organisms that have a holozoic mode of nutrition:

• a) Plasmodium and Amoeba

• c) Paramecium and Plasmodium

• b) Parakeet and Amoeba

• d) Paramecium and Parasite

4. Raw materials required in the autotrophic mode of nutrition involves:

i. Carbon dioxide and water

ii. Chlorophyll

iii. Nitrogen

iv. Sunlight

• a) (i) and (ii)

• b) (i), (ii) and (iii)

• c) (i), (ii) and (iv)

• d) All (i), (ii), (iii) and (iv)

8. The vein which brings clean blood from the lungs into the heart is known as:

• a) Pulmonary vein

• b) Hepatic vein

• c) Superior vena cava

• d) Pulmonary artery

The process of diffusion of solvent particles from the region of less solute concentration to a region of high solute concentration through semi-permeable membrane is known as

• a) Diffusion

• b) Osmosis

• c) Translocation

• d) Transpiration

Plants use the energy stored in ATP to accomplish the process of transportation of:

• a) Water and minerals

• b) Oxygen

• c) Water, minerals and food

• d) Food

Arteries and veins are connected by a network of extremely narrow tubes called:

• a) Sieve tubes

• b) Capillaries

• c) Vena cava

• d) Valves

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