Basic 1 biology

Biotic factor of environment is

• Water

• Animal

• Soil

• Air

The smallest unit of DNA

• Doxyriboes

• Nucleotide

• Cell

• Nitrogenous

Plastids are absent in animal cells

• Ture

• False

What is basic unit of life?

• Cell

• Atom

• Molecule

• Organism

Plants collect energy from the sun and use and water to produce sugars

• Nitrogen "N"

• Oxygen "O"

• Hydrogen "H"

• Carbon dioxide "C"

The study of life or living organisms is called

• Biology

• Psychology

• Chemistry

• Physics

How many types of Ecosystem

• 2

• 3

• 4

• 5

A cross between a true breed plant/Animal with another true breed plant/Animal is called

• Hybrid cross

• Purr cross

• Test cross

• None of these

The organisms made up of many cells are called

• Unicellular

• Cell

• Tissue

• Multicellular

Different organelles assemble to form a

• Tissue

• Atoms

• Cell

• Molecule