Biology Honors Test About Photosynthesis

27 Questions | By Headlessant | Updated: Mar 21, 2022 | Attempts: 231

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1.

Energy is required for a variety of life processes including
- A.
  
  Growth and reproduction
- B.
  
  Movement
- C.
  
  Transport of certain materials across cell membranes
- D.
  
  All of the above
2.

Heterotrophs are organisms that can
- A.
  
  Produce food from inorganic molecules and sunlight
- B.
  
  Survive without energy
- C.
  
  Consume other organisms for energy
- D.
  
  Carry out either photosynthesis or chemosynthesis
3.

Based on the cycle of photosynthesis and cellular respiration, one can say that the ultimate original source of energy for al living things on Earth is
- A.
  
  Glucose
- B.
  
  Water
- C.
  
  The sun
- D.
  
  Carbon dioxide
4.

The process whereby plants capture energy and make complex molecules is known as
- A.
  
  Homeostatis
- B.
  
  Evolution
- C.
  
  Photosynthesis
- D.
  
  Development
5.

Suspended in the fluid stroma of chloroplasts are
- A.
  
  Organelles called eukaryotes
- B.
  
  Numerous mitochondrial membranes
- C.
  
  Small coins that provide energy
- D.
  
  Stacks of thylakoids called grana
6.

Photosynthesis:oxygen::
- A.
  
  Respiration:darkness
- B.
  
  Light reactions: dark reactions
- C.
  
  Respiration: carbon dioxide
- D.
  
  Oxygen:carbon dioxide
7.

Biochemical pathway:reaction::
- A.
  
  Barrier:wall
- B.
  
  Match:burn
- C.
  
  Theater:drama
- D.
  
  Assembly line: workers
8.

Light reaction:thylakoids
- A.
  
  Grana: thylakoids
- B.
  
  Grana:ATP
- C.
  
  Calvin Cycle : stroma
- D.
  
  Stroma: grana of chloroplasts
9.

The sun is considered the ultimate source of energy for life on Earth because
- A.
  
  All organisms carry out photosynthesis
- B.
  
  All organisms carry out cellular respiration
- C.
  
  Either photosynthetic organisms that have eaten them provide energy for all other organisms on Earth
- D.
  
  The sun heats the Earths atmosphere
10.

The energy from the sun is converted into chemical energy in the form of organic compounds in a series of linked chemical reactions called a
- A.
  
  Photosynthetic reactant
- B.
  
  ATP generator
- C.
  
  Chemical equation
- D.
  
  Biochemical pathway
11.

The role of chlorophyll in photosynthesis is to
- A.
  
  Absorb light energy
- B.
  
  Pass electrons to carotenoids
- C.
  
  Split water molecules
- D.
  
  All of the above
12.

When light strikes an object, the light may be
- A.
  
  Reflected
- B.
  
  Transmitted
- C.
  
  Absorbed
- D.
  
  All of the above
13.

Chlorophyll is green because
- A.
  
  It absorbs green wavelengths
- B.
  
  It absorbs blue and yellow which makes green
- C.
  
  It reflects green
- D.
  
  Transmits light
14.

What happens when a chlorophyll molecule absorbs light?
- A.
  
  Some of its electrons are raised to a higher energy level
- B.
  
  It disintegrates, giving off huge amounts of heat
- C.
  
  It glows, radiating green light and giving the plant a green appearance
- D.
  
  It attracts electrons from other molecules
15.

Chloroplast: grana::
- A.
  
  Photosystem: pigment molecules
- B.
  
  Chlorophyll: pigments
- C.
  
  Thylakoids: photosynthesis
- D.
  
  Chlorophyll: green
16.

When electrons of a chlorophyll molecule are raised to a higher energy level,
- A.
  
  They become a particle of light
- B.
  
  They form a glucose bond
- C.
  
  They enter an electron transport chain
- D.
  
  They enter the calvin cycle
17.

NADP is important in photosynthesis because it
- A.
  
  Becomes oxidized to form NADP
- B.
  
  Is needed to form chlorophyll
- C.
  
  Provides additional oxygen atoms
- D.
  
  Provides protons and electrons for some reactions
18.

The source of oxygen produced during photosynthesis is
- A.
  
  Carbon dioxide
- B.
  
  Water
- C.
  
  Chlorophyll
- D.
  
  Glucose
19.

The major atmospheric byproduct of photosynthesis is
- A.
  
  Nitorgen
- B.
  
  Carbon dioxide
- C.
  
  Water
- D.
  
  Oxygen
20.

During the Calvin cycle, carbon-containing molecules are produced from
- A.
  
  Carbon atoms from ATP
- B.
  
  Carbon atoms, hydrogen atoms, and oxygen atoms from glucose
- C.
  
  Carbon atoms from carbon dioxide in the air and hydrogen atoms from water
- D.
  
  Carbon atoms from carbon dioxide int he air and hydrogen atoms from NADPH
21.

Which of the following process occurs in the thylakoid membrane and converts captured light energy into chemical energy?
- A.
  
  The Calvin cycle
- B.
  
  ATP synthase
- C.
  
  Light absorption
- D.
  
  Chemiosmosis
22.

Products of the light reactions of photosynthesis that provide energy for the Calvin cycle are
- A.
  
  Oxygen and ATP
- B.
  
  Water and oxygen
- C.
  
  ATP and NADPH
- D.
  
  Oxygen and NADPH
23.

The Calvin cycle of photosynthesis
- A.
  
  Requires ATP and NADPH
- B.
  
  Can occur in both light and dark conditions
- C.
  
  Generates glucose
- D.
  
  All of the above
24.

The energy used in the Calvin cycle for the production of carbohydrate molecules comes from
- A.
  
  ATP made during cellular respiration
- B.
  
  The Krebs cycle
- C.
  
  ATP made in the light reactions of photosynthesis
- D.
  
  CO2 absorbed during the last stage of photosynthesis
25.

All organic molecules contain carbon atoms that ultimately can be traced back in the food chain to
- A.
  
  The bodies of heterotrophs
- B.
  
  Carbon dioxide from the atmosphere
- C.
  
  Water absorbed by plants
- D.
  
  The carbon the comes from the sun