Q: Which equation correctly represents the process of photosynthesis in plants?

$$6CO_2 + 6H_2O + \text{light} \rightarrow C_6H_{12}O_6$ + 6O_2$$

Question 1

Which of the following statements best describes the difference between prokaryotic and eukaryotic cells?

Accepted Answer

Eukaryotic cells have a membrane-bound nucleus, while prokaryotic cells do not.

Question 2

Which equation correctly represents the process of photosynthesis in plants?

Accepted Answer

$$6CO_2 + 6H_2O + 	ext{light} ightarrow C_6H_{12}O_6$ + 6O_2$$

Question 3

Which of the following is NOT a trait shared by all living organisms?

Accepted Answer

Presence of a cell wall

Question 4

A scientist discovers a single-celled organism with a circular DNA molecule, no membrane-bound nucleus, and peptidoglycan in its cell wall. To which domain does this organism most likely belong?

Accepted Answer

Bacteria

Question 5

Which process allows heterotrophic organisms to obtain energy from organic molecules?

Accepted Answer

Anaerobic cellular respiration

Question 6

Which of the following best explains why animals do not have cell walls?

Accepted Answer

Animal cells require flexibility for movement and interaction.

Question 7

Which of the following is an example of a chemoorganotroph?

Accepted Answer

A bacterium consuming organic molecules for energy

Question 8

Which statement about peptidoglycan is correct?

Accepted Answer

It provides structural support and osmotic protection in bacterial cell walls.

Question 9

Which of the following best describes the role of decomposers in an ecosystem?

Accepted Answer

They recycle nutrients by breaking down dead organic matter.

Question 10

Which of the following is a correct sequence of energy flow in a food chain involving humans, rats, and fleas?

Accepted Answer

Rats $$\rightarrow$$ fleas $$\rightarrow$$ humans $$\rightarrow$$ rats

Question 11

Which of the following is a correct description of autotrophy?

Accepted Answer

Organisms use sunlight or inorganic molecules to produce their own food.

Question 12

Which of the following is true about archaea?

Accepted Answer

Archaea are prokaryotes that can survive in extreme environments.

Question 13

Which of the following best explains the importance of hereditary information in living organisms?

Accepted Answer

It encodes genetic instructions for traits and adaptation.

Question 14

Which of the following is a correct example of a photoheterotroph?

Accepted Answer

An organism that uses sunlight for energy but requires organic molecules for carbon.

Question 15

Which process is responsible for the conversion of glucose to ATP in heterotrophic organisms?

Accepted Answer

Cellular respiration

Question 16

Which of the following is NOT a function of cell division in multicellular organisms?

Accepted Answer

Conversion of energy from sunlight

Question 17

Which of the following best describes the evolutionary advantage of genetic variation in a population?

Accepted Answer

It increases the ability of a population to adapt to changing environments.

Question 18

Which of the following is a correct description of binary fission?

Accepted Answer

A process by which prokaryotes reproduce by splitting into two identical cells.

Question 19

Which of the following is a correct statement about the role of fungi in ecosystems?

Accepted Answer

Fungi act as decomposers, recycling nutrients from dead organic matter.

Question 20

Which of the following best explains the spread of the black death pandemic?

Accepted Answer

Interactions among fleas, rats, and humans, with bacteria causing infection.

Fundamental Traits of Life, Cell Types, and Biological Diversity

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