AFNS — AFNS Biology

Introduction to Biology


Page 7 of 8

#49

Autotrophs can:

A) Make their own food

B) Only eat others

C) Never use sunlight

D) Only decompose

Answer:   A
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#50

Heterotrophs depend on:

A) Sunlight only

B) Other organisms for food

C) Only minerals

D) Only water

Answer:   B
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#51

Biodiversity refers to:

A) One species only

B) Variety of life

C) Only plants

D) Only animals

Answer:   B
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#52

Theory of natural selection was given by:

A) Darwin

B) Lamarck

C) Mendel

D) Pasteur

Answer:   A
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#53

Mendel worked on:

A) Pea plants

B) Rice

C) Wheat

D) Maize

Answer:   A
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#54

Unit of heredity is:

A) Gene

B) Cell wall

C) Vacuole

D) Ribosome

Answer:   A
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#55

DNA stands for:

A) Deoxyribonucleic acid

B) Dinitrogen acid

C) Dual nuclear acid

D) Dense nucleic atom

Answer:   A
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#56

RNA is generally:

A) Single stranded

B) Always double stranded

C) Never in cells

D) Only in plants

Answer:   A
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