life processes

In which mode of nutrition an organism de-rives its food from the body of another living organism without killing it?

• Saprophytic nutrition

• Holozoic nutrition

• Parasitic nutrition

• Autotrophic

Roots of the plants absorb water from the soil through the process of:

• diffusion

• osmosis

• transpiration

• none of the above

The site of photosynthesis in the cells of a leaf is

• chloroplast

• mitochondria

• cytoplasm

• protoplasm

Which of the following events in the mouth cavity will be affected if salivary amylase is lacking in the saliva?

• Starch breaking down into sugars

• Proteins breaking down into amino acids.

• Absorption of vitamins.

• Fats breaking down into fatty acids and glycerol.

The contraction and expansion movement of the walls of the food pipe is called:

• translocation

• transpiration

• peristaltic movement

• digestion

What are the products obtained by anaerobic respiration in plants?

• Lactic acid + Energy

• Carbon dioxide + Water + Energy

• Ethanol + Carbon dioxide + Energy

• Pyruvate

A blood vessel which pumps the blood from the heart to the entire body:

• artery

• capillary

• Vein

• Haemoglobin

Name the tube which connects the kidneys to the urinary bladder.

• Urethra

• Nephron

• Tubule

• Ureter

Which is the correct sequence of body parts in the human alimentary canal?

• Mouth → stomach → small intestine → large intestine → oesophagus

• Mouth → oesophagus → stomach → small intestine → large intestine

• Mouth → stomach → oesophagus → smallintestine → large intestine

• Mouth → oesophagus → stomach → large intestine → small intestine

………. is the site of the complete digestion of carbohydrates, proteins and fats.