Science Olympiad Miscellaneous Worksheet-9

Science Olympiad Miscellaneous Worksheet-9

There are _______ pairs of salivary glands present in the mouth of the humans.

(a) 2 (b) 3 (c) 4 (d) 6

Which is not a part of the small intestine?

(a) Caecum (b) Duodenum

A tooth is made up of a solid bony tissue known as _______.

(a) Dentine (b) Enamel (c) Crown (d) Root

The surface of the crown of the tooth is covered with a strong protective layer known as the _______.

(a) Enamel (b) Dentine (c) Cavity (d) Root

Which of the following prevents food from entering the trachea (wind pipe)?

(a) Epiglottis (b) Glottis (c) Larynx (d) Pharynx

Which is not a part of the large intestine?

(a) Ileum (b) Caecum (c) Colon (d) Rectum

Which is the largest organ in the human body?

(a) Liver (b) small intestine

Which of the following is the common passage for the food eaten and the air breathed?

(a) Pharynx (b) Larynx (c) Esophagus (d) Trachea

The part of the tooth inside the socket of the jaw is known as the _______.

(a) Root (b) enamel (c) Crown (d) Dentine

Excess _______ in the human body are stored in the adipose tissue.

(a) Fats (b) Proteins (c) Vitamins (d) Minerals

Which is the simplest form of carbohydrates?

(a) Glucose (b) Glycogen (c) Starch (d) Sugar

Excess glucose in the human body are stored as _______ in the liver.

(a) Glycogen (b) Glucose (c) Glycerol (d) Glycerine

Which acid is secreted by the cells of the gastric glands in the stomach?

(a) hydrochloric acid (b) sulphuric acid

Which organ secretes a chemical compound, which emulsifies fats and makes the food alkaline?

(a) Liver (b) Pancreas (c) Stomach (d) large intestine

Lack of _______ in the human body causes a severe deficiency disease called Kwashiorkor.

(a) Proteins (b) Carbohydrates

In which of the following are fats, carbohydrates and proteins digested?

(a) small intestine (b) large intestine

The bile duct carries bile from the liver to the _______.

(a) small intestine (b) large intestine

Which of the following is not a simple sugar (monosaccharide)?

(a) Sucrose (b) Glucose (c) Fructose (d) Galactose

Thin watery fluid, which is filled in the space just behind the cornea is:

(a) Aqueous humor (b) Vitreous humor

Identify iris in the diagram.

(a) B (b) A (c) C (d) D

Answer Key:

(1)-(b); (2)-(a); (3)-(a); (4)-(a); (5)-(a); (6)-(a); (7)-(a); (8)-(a); (9)-(a); (10)-(a); (11)-(a); (12)-(a); (13)-(a); (14)-(a); (15)-(a); (16)-(a); (17)-(a); (18)-(a); (19)-(a); (20)-(a)