Monthly Test Scie-6

Waste product of photosynthesis is

• Water

• Glucose

• Oxygen

• Carbon dioxide

Sun's energy is used to mix carbon dioxide from air to................

• Hydrogen

• Nitrogen

• Oxygen

• Glucose

The cells in the leaves contain ........................ chloroplasts.

• 500

• 5000

• 50

• 5million

Which element is essential for making proteins?

• Phosphorus

• Sulphur

• Chlorine

• Nitrogen

More chloroplasts are present in which cells?

• Epidermal

• Epithelial

• Palisade

• Epidermis

The best temperature for photosynthesis is

• 25⁰C

• 30⁰C

• 40⁰C

• 20⁰C

In cloudy weather , when photosynthesis stops, then which gas plants take in?

• Oxygen

• Nitrogen

• Carbon dioxide

• Hydrogen

Seaweeds are example of ......................

• Algae

• Fungi

• Bacteria

• Mosses

Photosynthesis is a ................ Word.

• Latin

• Greek

• English

• Arabic

How many vital ingredients are required for photosynthesis?

• Two

• Three

• Four