Selina Solutions CONCISE Biology - Class 9 ICSE solutions for Chapter 10 Nutrition

Define malnutrition.

Given below is a jumbled sequence of the different parts of the human alimentary canal. Rewrite them in correct sequence Stomach, Oesophagus, large intestine, small intestine, Pharynx

Categorise the following items into carbohydrates and proteins:

Cellulose, Starch, Egg albumen, Milk, Pea, Glycogen, Cane-sugar

Name the following: (i) The three subdivisions of the small intestine (ii) The three subdivisions of the large intestine (iii) The three salivary glands

What is the approximate requirement of calories for the following:

(i)An adult physical labourer.

(ii)An active child of about six years.

(iii)An adult woman at complete rest.

Give the technical names for the following types of teeth in humans (on each side, in each jaw) (i) The three last grinders (ii) The pointed tooth for holding and tearing (iii) The broad sharp cutting teeth. (iv) The two temporary (deciduous) grinding teeth

Which one of the following pairs of nutrients includes both as simple sugars (monosaccharides)?

(a) Sugar and glucose

(b) Glucose and maltose

(c) Fructose and glucose

(d) Maltose and lactose

Which one of the following is the correct matching of a nutrient mineral element and its one rich source? (a) Calcium - potato (b) Sodium – Citrus fruits (c) Iodine – Dairy milk (d) Potassium – banana

Marasmus is due to deficiency of:

(a) Vitamin C

(b) Carbohydrates, fats and proteins

(c) Fat

(d) Food

Fat soluble vitamins are:

(a) A,D and E

(b) B,C and D

(c) B,D and E

(d) A,B and C

What are the end-products of digestion of:

(i) Proteins

(ii) Fats

(iii) Starch

(iv) Sucrose

Which of the following is the best source of vitamin A: (a) Apple (b) Honey (c) Carrot (d) Peanuts

Ascorbic acid is Vitamin : (a) C (b) D (c) B (d) A

Mention whether the following statements are true(T) or false(F)

(a) Cellulose in our food passes out undigested T/F

(b) Kwashiorkor is a severe vitamin deficiency disease T/F

(c) Iron is required for the proper working of thyroid T/F

(d) Foods protect us from disease and therefore antibiotics which protect us from disease are also foods. T/F

(e) Mineral salts contribute in regulating body processes. T/F

Name the mineral element that is needed for the following respectively:

(i) Strong teeth

(ii) Proper working of thyroid

(iii) Synthesis of haemoglobin

Name the nutrients whose deficiencies cause the following diseases in humans: (i) Pernicious anemia (ii) Pellagra (iii) Night blindness (iv) Goiter (v) kwashiorkor

Mark the odd one out in each of the following cases and name the category to which the others belong: (i) Xerophthalmia, Marasmus, Pellagra, Scurvy. (ii) Riboflavin, Thiamine, Folic acid, Iodine.

Give two examples each of the following and their usefulness, if any, in our body. (i) Monosaccharides (ii) Disaccharides (iii) Polysaccharides

Define and give one example of a balanced diet

A doctor advises a bone patient to include more of milk and milk products in his everyday food. Why so?

List the six main purposes for which food is required by the body

Why are proteins necessary in our food? Name one protein deficiency disease of young children.

Taking the examples of whole grain atta, fruit, and green leafy vegetables, describe how roughage in our diet is useful.

Given below is an incomplete table of vitamins, their rich sources and the related deficiency diseases. Fill in the blanks [(i)-(viii)] with only one suitable word for each.

Complete the following table by filling the blanks.

mineral	function	rich source
iodine
	formation of haemoglobin
calcium
potassium

Given below is a jumbled sequence of the different parts of the human alimentary canal. Rewrite them in correct sequence Stomach, Oesophagus, large intestine, small intestine, Pharynx

Name the following:

(i) The three subdivisions of the small intestine

(ii) The three subdivisions of the large intestine

(iii) The three salivary glands

Give the technical names for the following types of teeth in humans (on each side, in each jaw) (i) The three last grinders (ii) The pointed tooth for holding and tearing (iii) The broad sharp cutting teeth. (iv) The two temporary (deciduous) grinding teeth.

Name the following parts of a tooth:

(i) Part exposed above the gum.

(ii) The hard substance making the covering of the tooth.

(iii) The soft connective tissue contained in the central space of the tooth.

(iv) Bone-like structure fixing the root in position.

(v) Slight constriction between the root and the crown.

Mention if the following statements are true (T) or false (F): (i) Saliva moistens and lubricates food (ii) Saliva contains a protein-digesting enzyme (iii) Saliva tends to destroy germs in the mouth (iv) Peristalsis occurs through all regions of the gut (v) The food in stomach stays for about 10 hours (vi) Gastric juice is alkaline (vii) Gastric juice contains pepsinogen

Selina solutions concise biology class 9 icse Solutions for Chapter 10 nutrition