12 Questions
Which process involves the movement of ions and molecules against the concentration gradient?
Active transport
What is the main source of energy in a human diet according to the text?
Carbohydrates
Which statement is true about photosynthesis?
It needs water, carbon dioxide, and light.
What is the role of decomposers in the carbon and nitrogen cycles?
Return nitrates to the environment.
Which group of organisms are not producers in a food chain according to the text?
Consumers
What happens when there is an absence of a vitamin or mineral salt in the diet?
Deficiency disease
What are the seven characteristics that all living things exhibit?
Nutrition, respiration, excretion, movement, growth, sensitivity, reproduction
Which cellular structure is unique to plant cells but absent in animal cells?
Cell wall
What do bacteria and fungi lack compared to animal and plant cells?
Nucleus, mitochondria, ribosomes, or endoplasmic reticulum
Which cellular process involves movement from a higher to lower concentration?
Diffusion
What distinguishes osmosis from diffusion?
Osmosis only involves water molecules
Why do viruses not have any cellular structures?
They are not considered living organisms
Test your knowledge on the characteristics of living things, including nutrition, movement, and reproduction, as well as the structure and specialization of cells. Explore topics such as the components of animal and plant cells, including the nucleus, cytoplasm, and organelles like mitochondria and chloroplasts.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
