Grade 9 biology quiz

______ cleanliness is important for individual health.

• Personal

• Internal

• Public

• External

Disease-free in other words literally means being uncomfortable. True or False.

• True

• False

What is the difference between sign and symptom?

• Symptoms - subjective

  Signs - objective

• Symptoms - objective

  Signs - subjective

• Symptoms and Signs are both subjective

• Symptoms and signs are both objective

In which year did Robert Hooke discover cells?

• 1660

• 1665

• 1775

• 1556

Which stain is used to stain plant cells?

Which cell organelle helps in the production of fat molecules or lipids?

• Rough Endoplasmic Reticulum

• Smooth Endoplasmic Reticulum

• Nucleus

• Mitochondria

What is the usual size of a prokaryotic cell?

• 1-100 μm

• 1-10 μm

• 10-100 μm

• 100-1000 μm

Which of the following muscle tissues shows/show striations? (One or more options)

• Skeletal muscles

• Smooth muscles

• Voluntary muscles

• Cardiac muscles

Which tissue is present in the husk of coconut?

• Collenchymatous tissue

• Sclerenchymatous tissues

• Parenchymatous tissue

• Xylem

Which of the following is/are NOT present in the xylem tissue? (One or more options)

• Tracheids

• Vessels

• Sieve elements

• Companion cells