Biology (The Mico University College)

The ability of a living organism to detect and respond to changes in its environment is referred to as

• nutrition

• excretion

• movement

• irritability

Which of the following organelles in the cell allows substances to pass in and out of the cell?

• Nucleus

• Vacuole

• cytoplasm

• cell membrane

Tags

NGSS.MS-LS1-2

Which of the following factors is NOT necessary for photosynthesis to take place?

• water

• oxygen

• sunlight

• carbon dioxide

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

An example of diffusion is the movement of

• Sodium across cell membranes

• glucose from the digestive tract to the villi

• oxygen from the alveoli to capillaries

• sucrose from phloem tubes to companion cells

Which of the following foods is a good source of vitamin A?

• Milk

• Orange

• Kidney

• Fish liver oil

Which of the following cell structures traps energy from sunlight to help in the production of simple sugars?

• Nucleus

• Cell wall

• Chloroplast

• Mitochondrion

Tags

NGSS.MS-LS1-6

Which of the following reagents gives a positive test for the MAIN food present in a slice of baked potato?

• Biuret

• Ethanol

• Iodide solution

• Benedict's solution

Which of the following are properties of enzymes?

A. They mostly work on only one substrate.

B. They work best at a particular pH.

C. They are not affected by temperature.

• A and B only

• A and C only

• B and C only

• A, B and C

Which of the following types of teeth is BEST adapted for tearing tough pieces of food?

• Molar

• Incisor

• Canine

• Premolar

During the process of digestion, bile salts aid in

• egestion

• peristalsis

• mastication

• emulsification