15.
Process that are necessary for sustaining life.
Ans. Nutrition, Respiration, Excretion, Circulation,
Reproduction, Growth and Sensitivity
16.
Organic nutrients.
Ans. Carbohydrates, Proteins and Fats.
17.
Digestive glands.
Ans. Salivary glands, Liver, Pancreas, Gastric
glands.
18.
Chemical secretions present in gastric juice.
Ans. Enzyme pepsin, Mucus, Hydrochloric acid.
19.
Enzymes in pancreatic juice.
Ans. Trypsin, Lipase, Amylase.
20.
Raw materials required for photosynthesis.
Ans. Carbon dioxide, water.
21.
Organisms capable of breaking down food outside their body before absorption.
Ans. Yeast, Mushrooms, Carnivorous plants.
22.
Organisms that take the whole food in and then digest and absorb it.
Ans. Man, Cat, Cow.
23.
Organisms harming the host and obtaining food from them.
Ans. Cuscuta, Ticks, Lice, Leeches, Tapeworms.
24.
Basic steps of nutrition.
Ans. Ingestion, Digestion, Absorption, Assimilation,
Egestion.
25.
Organs forming human respiratory tract.
Ans. Nostrils, Pharynx, Larynx, Trachea, Lungs,
Bronchi, Bronchioles, Alveoli.
