Biology Test

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Biology Test - 24

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Weekly Quiz Competition

Question 1
1 / -0

Increased toxicity of secondary pollutants formed by interaction among primary pollutants is called

A

synergism

B

eutrophication

C

pyrolysis

D

biomagnification
Question 2
1 / -0

Which of the following are examples of water-pollinated plants?a. Vallisneriab. Hydrillac. Water hyacinth d. Water lily

A

Only a and d

B

Only a and b

C

Only b and c

D

Only a and c
Question 3
1 / -0

Which two factors primarily affect the developmental phase of growth of plants

A

Rainfall and temperature

B

Temperature and relative humidity

C

Light and wind

D

Light and temperature
Question 4
1 / -0

Which of the following is/are the orange-red pigment(s) of carrot?

A

Violoxanthin

B

Beta-carotene

C

Fucoxanthin

D

All of the
Question 5
1 / -0

The first acceptor of electrons from an excited chlorophyll molecule of photosystem II is

A

quinone

B

cytochrome

C

ferredoxin

D

iron-sulphur protein
Question 6
1 / -0

There are certain important factors causing vasoconstriction or vasodilation in arterioles. Which of the following factors cause(s) vasoconstriction in the arterioles?

A

Local chemical factors

B

Non-adrenergic, non-cholinergic autonomic nerves

C

Renal hormones

D

Paracrines
Question 7
1 / -0

Which of the following organisms are characterised by the presence of milk-producing glands by which the young ones are nourished?a. Macropusb. Equusc. Corvusd. Pavo

A

Only a and b

B

Only a and c

C

Only a and d

D

Only c and d
Question 8
1 / -0

All of the following are excretory organs, excepta. kidneysb. sweat glandsc. liverd. hearte. lungs

A

Only a and b

B

Only d and e

C

Only c

D

Only d
Question 9
1 / -0

Pineapple fruit develops from

A

a unilocular polycarpellary flower

B

a cluster of compact inflorescence

C

a multilocular monocarpellary flower

D

a multipurpose syncarpous flower
Question 10
1 / -0

How can the Great Barrier Reef along the east coast of Australia be categorised?

A

Biome

B

Ecosystem

C

Niche

D

Biosphere

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Biology Test - 24

Result

Biology Test - 24

Score

-

Rank

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SHARING IS CARING

Question 1

synergism

eutrophication

pyrolysis

biomagnification

Question 2

Only a and d

Only a and b

Only b and c

Only a and c

Question 3

Rainfall and temperature

Temperature and relative humidity

Light and wind

Light and temperature

Question 4

Violoxanthin

Beta-carotene

Fucoxanthin

All of the

Question 5

quinone

cytochrome

ferredoxin

iron-sulphur protein

Question 6

Local chemical factors

Non-adrenergic, non-cholinergic autonomic nerves

Renal hormones

Paracrines

Question 7

Only a and b

Only a and c

Only a and d

Only c and d

Question 8

Only a and b

Only d and e

Only c

Only d

Question 9

a unilocular polycarpellary flower

a cluster of compact inflorescence

a multilocular monocarpellary flower

a multipurpose syncarpous flower

Question 10

Biome

Ecosystem

Niche

Biosphere

User

Question Analysis

My Perfomance

Score

-

Rank

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