1) Organisms that must obtain their energy (food) from organic sources in their

Question

1) Organisms that must obtain their energy (food) from organic sources in their environment, such as by eating other organisms, are called

A) phototrophs

B) autotrophs

C) nuritroph

D) heterotrophs

2) Which statement is correct about the process of conjugation?

A) It is the process by which a virus injects and infects a bacterium.

B) It is a method of sexual reproduction in eukaryotes.

C) A conjugation bridge forms between two bacterial cells, allowing the exchange of genetic information.

D) It allows the joining of two prokaryotes into one larger cell.

3) …................consist of a core containing DNA or RNA, but are not considered to be alive.

A) Protists

B) Archaea

C) Viruses

D) Bacteria

4) Which of the following kingdoms contains microbes?

A) Bacteria

B) Archaea

C) Fungi

D) All of the above

5) What cell organelle was assumed to have originated as bacteria which was engulfed, leading to endosymbiosis?

A) Mitochondria

B) Chloroplasts

C) Nucleus

D) Both A & B

6) Which of the following category of organisms are eukaryotes?

A) Archaea

B) Virus

C) Protists

D) Bacteria

Explanation / Answer

1. D- heterotrophs

2. C- a conjugation bridge form between two bacterial cell, allowing the exchange of genetic information.

3. C- viruses

4. D- all of the above

5. A- mitochondria

6. D- bacteria

Thanking you. Hope you got the answer.

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