Biology - Section 1 (8)

Directions to Solve

Biology - Section 1

57.

Plants that grow in saline water are called

A.	halophytes
B.	hydrophytes
C.	mesophytes
D.	thallophytes

Answer: Option A

Explanation:

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58.

Other than spreading malaria, anopheles mosquitoes are also vectors of

A.	dengue fever
B.	filariasis
C.	encephalitis
D.	yellow fever

Answer: Option B

Explanation:

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59.

Primary phloem develops from

A.	lateral meristem
B.	protoderm
C.	extrastelar cambium
D.	provascular tissue

Answer: Option D

Explanation:

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60.

Nucleus, the genetic material containing rounded body in each cell, was first discovered in 1831 by

A.	Robert Hooke
B.	Robert Brown
C.	Rudolf Virchow
D.	Theodore Schwann

Answer: Option B

Explanation:

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61.

Photosynthesis takes place faster in

A.	yellow light
B.	white light
C.	red light
D.	darkness

Answer: Option B

Explanation:

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62.

Prokaryotic cells lack

A.	nucleolus
B.	nuclear membrane
C.	membrane bound by organelles
D.	All of these

Answer: Option D

Explanation:

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63.

Plant development is influenced by

A.	quality of light only
B.	quality and quantity of light
C.	quality and duration of light
D.	quality, quantity and duration of light

Answer: Option D

Explanation:

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64.

Most highly intelligent mammals are

A.	whales
B.	dolphins
C.	elephants
D.	kangaroos

Answer: Option B

Explanation:

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