Plant Science

The word equation for photosynthesis is?

• water + glucose = oxygen + carbon dioxide

• glucose + carbon dioxide = oxygen + water

• oxygen + water + carbon dioxide + glucose

• carbon dioxide + water = glucose + oxygen

Tags

NGSS.MS-LS1-6

The polysaccharide that strengthens xylem walls is called?

• Starch

• Lignin

• Cellulose

• Glucose

The vascular bundle in dicot plants is arranged?

• Square

• Circular

• Triangular

• Non of the above

Stomata in leaves do the following?

• Store water

• Protect the plant

• Carry out photosynthesis

• Allow gases and water to move in and out

What colour indicates a positive test for starch in a leaf?

• Black

• Orange

• Red

• Yellow

Which of the following describes transpiration?

• Making of glucose in the leaf

• The upward movement of water from root to leaf in the plant

• Storage of sugar in the plant

• Storage of water in the vacuole

Tags

NGSS.MS-LS2-3

The female part of a flower is called?

• Petal

• Flower

• Stamen

• Carpel

Three factors required for germination are?

• Carbon dioxide, correct pH, water

• Oxygen, correct temperature, water

• Oxygen, correct pH, carbon dioxide

• Correct temperature, oxygen, light

An annual plant has which life cycle?

• Dies after four flowering years

• Grows for two years then flowers

• Grows, flowers, dies in one year

• Lives for many years

Osmosis is the movement of?

• Water from high to low concentration across a semi permeable membrane

• Sugar from high to low concentration across a semi permeable membrane

• Water from low to high concentration

• sugar across a semi permeable membrane