1.Which of the following is a rational number?

A) √5

B) π

C) 0.75

D) √11

2.Which rational number lies between -3/4 and 1/2?

A) -5/4

B) -1/4

C) 3/4

D) 5/4

3.The standard form of 18/-24 is:

A) 3/4

B) -3/4

C) -18/24

D) 18/24

4.Which of the following is equivalent to 7/9?

A) 14/17

B) 21/27

C) 28/35

D) 35/42

5.The additive inverse of -11/15 is:

A) -11/15

B) 11/15

C) 15/11

D) -15/11

6.The multiplicative inverse of -5/8 is:

A) 5/8

B) -8/5

C) 8/5

D) -5/8

7.Which statement is correct?

A) Every integer is a rational number

B) Every rational number is a whole number

C) Every whole number is a natural number

D) Zero is not a rational number

8.If a/b = 4/7, then which of the following can be true?

A) a = 8, b = 15

B) a = 12, b = 21

C) a = 16, b = 30

D) a = 20, b = 28

9.Which of the following is the smallest rational number?

A) -2/3

B) -5/6

C) -1/2

D) -3/4

10.The product of a rational number and its reciprocal is always:

A) 0

B) 1

C) -1

D) Depends on the number

11.Which of the following is most important for maintaining good health?

A) Balanced diet only

B) Exercise only

C) Proper sleep, nutrition, exercise, and hygiene

D) Medicines only

12.Which nutrient is mainly responsible for body-building and growth?

A) Carbohydrates

B) Proteins

C) Fats

D) Vitamins

13.Deficiency of Vitamin D may lead to:

A) Scurvy

B) Rickets

C) Anaemia

D) Night blindness

14.Which of the following diseases is communicable?

A) Diabetes

B) Hypertension

C) Tuberculosis

D) Obesity

15.Which habit helps in preventing infectious diseases?

A) Eating junk food daily

B) Washing hands before meals

C) Sleeping late at night

D) Skipping breakfast

16.Which blood cells help in fighting infections?

A) Red blood cells

B) White blood cells

C) Platelets

D) Plasma

17.Obesity is mainly caused by:

A) Balanced diet

B) Regular exercise

C) Excessive intake of unhealthy food and lack of activity

D) Drinking enough water

18.Which mineral is essential for the formation of haemoglobin?

A) Calcium

B) Iron

C) Sodium

D) Iodine

19.Which of the following is a mental health practice?

A) Staying stressed

B) Avoiding sleep

C) Sharing feelings and relaxing the mind

D) Eating more sugar

20.Vaccination helps by:

A) Weakening the body

B) Preventing certain diseases

C) Causing infection

D) Replacing food nutrients

21.Which word is formed from decide?

A) Decision

B) Decideful

C) Decideness

D) Decidement

22.Which word is formed from create?

A) Creation

B) Createness

C) Createful

D) Creately

23.Which word is formed from honest?

A) Honesty

B) Honestness

C) Honestful

D) Honestment

24.Which word is formed from difficult?

A) Difficulty

B) Difficultness

C) Difficultly

D) Difficultment

25.Which word is formed from strong?

A) Strength

B) Strongness

C) Strongly

D) Strongment

26.Which word is formed from brave?

A) Bravery

B) Bravenessful

C) Bravehoodly

D) Bravement

27.Which word is formed from employ?

A) Employment

B) Employness

C) Employful

D) Employly

28.Which word is formed from active?

A) Activity

B) Activenessly

C) Activement

D) Actify

29.Which word is formed from wide?

A) Width

B) Widenessly

C) Widement

D) Wideful

30.Which word is formed from appear?

A) Appearance

B) Appearness

C) Appearly

D) Appearingly