OLYMPIAD- Class- 9th (Science)

Colourless plastids are known as

• Chromoplasts

• Chloroplasts

• Leucoplasts

• Protoplast

The phenomenon by which protoplast of a cell shrinks from the wall is

• Osmosis

• Plasmolysis

• Diffusion

• Glycolysis

Which of the following are examples of prokaryotes?

• Algae

• Fungi

• Bacteria

• Protozoa

The barrier between the protoplasm and the outer environment in an animal cell is

• Cell wall

• Plasma membrane

• Nuclear membrane

• Cytoplasm

Ribosomes are the site of

• Photosynthesis

• Respiration

• Protein synthesis

• Absorption

The cells of cork are dead and have a chemical in their walls that makes them impervious to gases and water. The chemical is

• lignin

• suberin

• cutin

• wax

The flexibility in plants is due to a tissue called

• chlorenchyma

• parenchyma

• sclerenchyma

• collenchyma

The tissue present in the lining of kidney tubules and ducts of salivary glands is

(a)

(b)

(c)

(d)

• squamous epithelium tissue

• glandular epithelium tissue

• cuboidal epithelium tissue

• columar epithelium tissue

The connective tissue that connects muscle to bone is called

• ligament

• tendon

• nervous tissue

• all of the above

The tissue that helps in the movement of our body are

• muscular tissue

• skeletal tissue

• nervous tissue

• all of the above