31 Questions
What are the main physiological processes described in this unit?
Photosynthesis, respiration, and plant growth and development
What resulted from the first perspective on biology?
Ecology and related disciplines
What resulted from the second perspective on biology?
Physiology and biochemistry
What is described in molecular terms in the context of cellular activities and even at organism level?
Physiological processes in flowering plants
What are the two perspectives on biology mentioned in the text?
Organismic and above level of organisation, and cellular and molecular level of organisation
Where did Melvin Calvin receive his Ph.D. in Chemistry?
University of Minnesota
What is the process by which green plants use light energy to drive the synthesis of organic compounds?
Photosynthesis
Who, along with J.A. Bassham, studied reactions in green plants forming sugar and other substances from raw materials?
Calvin
What did Calvin propose about the way plants change light energy to chemical energy?
Plants change light energy to chemical energy by transferring an electron in an organised array of pigment molecules and other substances.
What earned Calvin the Nobel Prize in 1961?
Mapping the pathway of carbon assimilation in photosynthesis.
What is the primary source of all food on earth?
Photosynthesis
What is responsible for the release of oxygen into the atmosphere by green plants?
Photosynthesis
What physico-chemical process do green plants carry out to use light energy to drive the synthesis of organic compounds?
Photosynthesis
What is the basis of life on earth?
The use of energy from sunlight by plants doing photosynthesis
What is the green pigment of the l?
Chlorophyll
What is the physico-chemical process by which green plants use light energy to drive the synthesis of organic compounds?
Photosynthesis
What does biodiversity refer to?
The variety of life on Earth at different levels of biological organization
Which level of biodiversity refers to the variety of different species in a given area or ecosystem?
Species diversity
What shapes the diversity of life on Earth, including processes such as speciation, extinction, and adaptation?
Evolutionary processes
What denotes the genetic makeup of species that influences their traits and characteristics?
Genetic diversity
Which factor affects the distribution of species across the Earth's surface, influenced by climate and topography?
Geographic distribution
What is responsible for the variety of habitats, such as forests, grasslands, wetlands, and marine ecosystems?
Habitat diversity
What is one of the reasons biodiversity is essential?
Ecosystem services only
Which human activity contributes to habitat loss and fragmentation?
Deforestation
What poses a threat to biodiversity by competing with native species for resources and disrupting ecosystems?
Invasive species
Which conservation effort involves the establishment of national parks and wildlife reserves?
Protected areas
How does biodiversity contribute to the aesthetic value of nature?
By helping maintain the beauty of the planet
What is the main factor contributing to the decline of species and ecosystems due to excessive use of natural resources?
Overexploitation
Which action aims to minimize the impact on biodiversity while managing natural resources?
Sustainable resource management
What is the primary focus of biodiversity in relation to scientific research and education?
Understanding the natural world
Which factor has a significant impact on biodiversity according to the text?
Human activities
Test your knowledge of photosynthesis in higher plants, respiration in plants, and plant growth and development with this quiz. Explore the structure and variation of living organisms at different levels of organization, from organismic to cellular and molecular levels.
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