Life Processes - Digestion and Respiration Quiz
Preview:
pancreas pour secretions into
A. oesophagus
B. stomach
C. large intestine
D. duodenum
Teeth are covered with a thin coating of
A. Dentine
B. Crown
C. Enamel
D. Cementum
What is the mode of nutrition in fungi?
A. Autotrophic
B. Heterotrophic
C. Saprophytic
D. Parasitic
A plant absorbs minerals from the soil
A. Circulation
B. Digestion
C. Growth
D. Nutrition
All producers show
A. heterotrophic nutrition
B. autotrophic nutrition
C. holozoic nutrition
D. both A and B
Digestion of starch starts from:
A. Stomach
B. Intestine
C. Oesophagus
D. Mouth
Which describes the life process regulation?
A. Breaking down food into molecules usable by cells
B. Taking in food
C. Responding to changes in the internal or external environment
D. Taking in or releasing oxygen or carbon dioxide
Digestion starts from
A. Stomach
B. Small intestine
C. Oesophagus
D. Buccal cavity
The process of transpiration in plants helps in:
A. Opening of stomata
B. Absorption of CO2 from atmosphere
C. Upward conduction of water and minerals
D. Absorption of O2 from atmosphere
Which of the following events in the mouth cavity will be affected if salivary amylase is lacking in the saliva?
A. Starch breaking down into sugars.
B. Proteins breaking down into amino acids.
C. Absorption of vitamins.
D. Fats breaking down into fatty acids and glycerol.
Hydrochloric acid is secreted by
A. Pancreas
B. Small intestine
C. Liver
D. Gastric glands of the stomach
Osmosis takes place when __________.
A. Glucose is broken down to release energy
B. The cell gets rid of waste products
C. Only when equilibrium is possible
D. Water moves in or out through the cell membrane
Villi present on the internal wall of intestine help in the
A. emulsification of fats
B. breakdown of proteins
C. absorption of digested food
D. digestion of carbohydrates
From which structure, the free oxygen gas produced during photosynthesis is released?
A. Epidermis
B. Stomata
C. Cortex
D. Guard cell
What is the final product of photosynthesis?
A. Protein
B. Fat
C. Starch
D. Mineral salt
