class 8

WHAT IS CROP?

• WHEN DIFFERENT PLANTS ARE CULTIVATED ON SAME PATCH OF LAND ON LARGE SCALE

• WHEN SAME TYPE OF PLANTS ARE CULTIVATED IN SAME PATCH OF LAND ON LARGE SCALE

• WHEN SAME TYPE OF PLANTS ARE CULTIVATED IN DIFFERENT LANDS IN LESS NUMBER

• NONE OF THE ABOVE

WHICH OF THE FOLLOWING CAN FEED A GROWING POPULATION?

answer choices

• TRADITIONAL METHOD OF CROP PRODUCTION

• MODERN METHOD OF IMPROVED CROP PRODUCTION AND MANAGEMENT

• INDUSTRIAL EVOLUTION

• NONE OF THE ABOVE

Who discovered nucleus

• Robert Hooke

• Robert Brown

• Leewenhoek

• Camillo Golgi

Which of the following are examples of prokaryotes?

• Algae

• Fungi

• Bacteria

• Protozoa

___________observed free living organisms in the pond water for the first time.

• Edward Jenner

• Louis pasteur

• Antony von leeuwenhoek

• Robert Brown

What is the difference between mitochondria and chloroplast?

• Mitochondria produces energy and chloroplasts breaks down energy

• There is no difference. They are the same.

• Mitochondria breaks down energy from food and chloroplasts produce energy from sunlight.

• Mitochondria contains DNA and chloroplasts are green

Tags

NGSS.HS-LS1-7

NGSS.HS-LS2-5

Other that Amoeba, _________is also a single cell that can change its shape

• Muscle

• RBC

• WBC

• Nerve Cell