MCQs

Q61: Enzymes are ______?

• A) Steroid in nature
• B) Protein in nature
• C) Lipid in nature

Q62: All the bones of the body make the framework called?

• A) Skeleton
• B) Muscular system
• C) Nervous system

Q63: The Central Nervous System (CNS) is composed of _____?

• A) Brain, Spinal Cord
• B) Cerebrum, Thalamus and Hypothalamus
• C) Cerebrum, Pons and Medulla oblongata

Q64: The function of oesophagus in digestive system is to ____?

• A) Absorb nutrients from food
• B) Mix food with digestive enzymes
• C) Pass the food to the Stomach

Q65: A plane mirror forms an image that is ____?

• A) Real and Inverted
• B) Virtual and Inverted
• C) Virtual and Upright

Q66: The image formed by a plane mirror is ______ in size to the object.

• A) Smaller
• B) Larger
• C) Same

Q67: A process in which liquid changes into gas without boiling is called?

• A) Condensation
• B) Melting
• C) Evaporation

Q68: The particles of a liquid?

• A) Are tightly packed and stay in a fixed position
• B) Are free to move in a container but remain in close contact with one another
• C) Are widely spaced and move freely in any direction

Q69: The distance between the optical center and the principal focus is called ____?

• A) Focal Length
• B) Focal Point
• C) Optical Centre

Q70: Concave lenses are also known as ______?

• A) Converging Lens
• B) Diverging Lens
• C) Cylindrical lens