GENERAL BIOLOGY (MCQs)

Which among the following organs secretes bile juice?

• (A) Brain
• (B) Liver
• (C) Heart
• (D) Kidney

Enzymes are _______.

• (A) Chemical catalyst
• (B) Biological catalyst
• (C) Organic catalyst
• (D) Inorganic catalyst

Which of the following is a vitamin?

• (A) Citric acid
• (B) Glutamic acid
• (C) Folic acid
• (D) Linoleic acid

Digestion of fat in intestine is aided by:

• (A) Peptization
• (B) Protection
• (C) Diffusion
• (D) Emulsification

Which of the following enzymes breaks down proteins into amino acids?

• (A) Zymase
• (B) Lactase
• (C) Pepsin
• (D) Urease

The total volume of blood in a normal 70 kg adult human being is approximately:

• (A) 3000 ml
• (B) 4000 ml
• (C) 5000 ml
• (D) 6000 ml

Which organ stores fat soluble vitamin?

• (A) Blood
• (B) Skin
• (C) Liver
• (D) Pancreas

A process by which organisms remove metabolic wastes is called:

• (A) Digestion
• (B) Respiration
• (C) Exertion
• (D) Nutrition

The bone humerus is found in:

• (A) Leg
• (B) Fore arm
• (C) Thigh
• (D) Upper arm

What is the weight of an adult’s brain?

• (A) 2 pounds
• (B) 3 pounds
• (C) 4 pounds
• (D) 5 pounds