Biology Test 29

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Biology Test 29

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Question 1/30
1 / -0

Directions For Questions

A loss of electrical resistance

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Superconductivity is a material property associated with?

Correct

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Skipped
A
Frictionless liquid flow

Correct

Wrong

Skipped
B
Cooling a substance without a phase change

Correct

Wrong

Skipped
C
A loss of thermal resistance

Correct

Wrong

Skipped
D
A loss of electrical resistance

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Solutions
A loss of electrical resistance
Question 2/30
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Directions For Questions

0.1 percent

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In a food chain, the solar energy utilised by plants is only ___ .

Correct

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Skipped
A
10 percent

Correct

Wrong

Skipped
B
0.1 percent

Correct

Wrong

Skipped
C
1 percent

Correct

Wrong

Skipped
D
0.01 percent

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Solutions
0.1 percent
Question 3/30
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Directions For Questions

Methane

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Gobar gas contains mainly ___.

Correct

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Skipped
A
Methane

Correct

Wrong

Skipped
B
Carbon dioxide

Correct

Wrong

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C
Butane

Correct

Wrong

Skipped
D
Carbon Monoxide

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Solutions
Methane
Question 4/30
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Directions For Questions

Vitamin-C

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Which of the following vitamins is water soluble as well as anti-oxidant?

Correct

Wrong

Skipped
A
Vitamin-B1

Correct

Wrong

Skipped
B
Vitamin-A

Correct

Wrong

Skipped
C
Vitamin-D

Correct

Wrong

Skipped
D
Vitamin-C

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Solutions
Vitamin-C
Question 5/30
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Directions For Questions

On the Origin of Species

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Darwin explained his theory of evolution in a book called.

Correct

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Skipped
A
Around the World in Eighty Days

Correct

Wrong

Skipped
B
Survival of the Fittest

Correct

Wrong

Skipped
C
The Principles of Population

Correct

Wrong

Skipped
D
On the Origin of Species

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Solutions
On the Origin of Species
Question 6/30
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Directions For Questions

capsid

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Outer covering of virus made up of protein is ?

Correct

Wrong

Skipped
A
coat

Correct

Wrong

Skipped
B
capsid

Correct

Wrong

Skipped
C
virion

Correct

Wrong

Skipped
D
viriod

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Solutions
capsid
Question 7/30
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Directions For Questions

secondary xylem

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Tyloses are found in _______.

Correct

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A
secondary xylem

Correct

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B
secondary phloem

Correct

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Skipped
C
sclerenchyma fibres

Correct

Wrong

Skipped
D
sclereids

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Solutions
secondary xylem
Question 8/30
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Directions For Questions

Fleshy leaves

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The edible part of an onion is

Correct

Wrong

Skipped
A
Fleshy leaves

Correct

Wrong

Skipped
B
Aerial stem

Correct

Wrong

Skipped
C
Aerial flower

Correct

Wrong

Skipped
D
Modified root

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Solutions
Fleshy leaves
Question 9/30
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Directions For Questions

tt×tt?Tt

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Which one is de novo mutation?

Correct

Wrong

Skipped
A
tt×tt?Tt

Correct

Wrong

Skipped
B
TT×TT?TT

Correct

Wrong

Skipped
C
Tt×tt?Tt

Correct

Wrong

Skipped
D
Tt×Tt?TT,Tt,tt

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Solutions
tt×tt?Tt
Question 10/30
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Directions For Questions

A chemical used for the development of food -packaging materials

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What is Bisphenol A (BPA)?

Correct

Wrong

Skipped
A
A medical test for detecting cancer

Correct

Wrong

Skipped
B
A test for testing the use of drugs to improve performance by athletes

Correct

Wrong

Skipped
C
A chemical used for the development of food -packaging materials

Correct

Wrong

Skipped
D
A special type of alloy steel

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Solutions
A chemical used for the development of food -packaging materials
Question 11/30
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Directions For Questions

occupy different niches within the tree.

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Several species of warblers can live in the same spruce tree ONLY because they.

Correct

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Skipped
A
have different habitats within the tree.

Correct

Wrong

Skipped
B
don\'t eat food from the tree.

Correct

Wrong

Skipped
C
occupy different niches within the tree.

Correct

Wrong

Skipped
D
can find different temperatures within the tree.

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Solutions
occupy different niches within the tree.
Question 12/30
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Directions For Questions

Cenozoic

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Our current era is the:

Correct

Wrong

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A
Mesozoic

Correct

Wrong

Skipped
B
Permian

Correct

Wrong

Skipped
C
Paleozoic

Correct

Wrong

Skipped
D
Cenozoic

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Solutions
Cenozoic
Question 13/30
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Directions For Questions

Water is given out during daytime

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Which one of the following is not related to guttation?

Correct

Wrong

Skipped
A
Water is given out in the form of droplets

Correct

Wrong

Skipped
B
Water given out is impure

Correct

Wrong

Skipped
C
Water is given out during daytime

Correct

Wrong

Skipped
D
None of the above

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Solutions
Water is given out during daytime
Question 14/30
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Directions For Questions

insulin

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Lack of what causes diabetes ?

Correct

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A
vitamins

Correct

Wrong

Skipped
B
calcium

Correct

Wrong

Skipped
C
sugar

Correct

Wrong

Skipped
D
insulin

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Solutions
insulin
Question 15/30
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Directions For Questions

Cancer

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"It begins as a single cell and grows into a merciless disease that claims millions of lives year after year. But scientists are steadily unlocking its mysteries,and the fight against it may now have reached a dramatic turning point. New discoveries promise better therapies and hope in the war against".... The disease referred to in the above quotation is

Correct

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A
Cancer

Correct

Wrong

Skipped
B
AIDS

Correct

Wrong

Skipped
C
Tuberculosis

Correct

Wrong

Skipped
D
Alzheimer's disease

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Solutions
Cancer
Question 16/30
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Directions For Questions

Sweat glands

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Birds have no?

Correct

Wrong

Skipped
A
Sweat glands

Correct

Wrong

Skipped
B
Solid bones

Correct

Wrong

Skipped
C
Nerves

Correct

Wrong

Skipped
D
Eyelid

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Solutions
Sweat glands
Question 17/30
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Directions For Questions

A mammal

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A bat is ?

Correct

Wrong

Skipped
A
An amphibian

Correct

Wrong

Skipped
B
A mammal

Correct

Wrong

Skipped
C
An avian

Correct

Wrong

Skipped
D
A reptile

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Solutions
A mammal
Question 18/30
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Directions For Questions

Dolphins

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Most highly intelligent mammals are ?

Correct

Wrong

Skipped
A
Whales

Correct

Wrong

Skipped
B
Dolphins

Correct

Wrong

Skipped
C
Elephants

Correct

Wrong

Skipped
D
Kangaroos

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Solutions
Dolphins
Question 19/30
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Directions For Questions

DNA Topoisomerase

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DNA gyrase, the enzyme that participates in the process of DNA replication is a type of

Correct

Wrong

Skipped
A
DNA Topoisomerase

Correct

Wrong

Skipped
B
DNA Polymerase

Correct

Wrong

Skipped
C
DNA Ligase

Correct

Wrong

Skipped
D
Reverse Transcriptase

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Solutions
DNA Topoisomerase
Question 20/30
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Directions For Questions

1 and 4

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With reference to the human body, consider the following statements: 1. The production of somatotropin goes up when a person exercises. 2. Men's testes produce progesterone. 3. Women's adrenal glands secrete testosterone. 4. Stress causes the adrenals to release very less amount of Cortisol than usual. Which of these statements are correct ?

Correct

Wrong

Skipped
A
1,2,3 and 4

Correct

Wrong

Skipped
B
1,2 and 3

Correct

Wrong

Skipped
C
2,3 and 4

Correct

Wrong

Skipped
D
1 and 4

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Solutions
1 and 4
Question 21/30
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Directions For Questions

X-ray induced mutations

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Muller was awarded Nobel prize in 1946 for his work on:

Correct

Wrong

Skipped
A
Protein synthesis

Correct

Wrong

Skipped
B
chemistry of nucleic acids

Correct

Wrong

Skipped
C
cancer

Correct

Wrong

Skipped
D
X-ray induced mutations

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Solutions
X-ray induced mutations
Question 22/30
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Directions For Questions

Vitamin C

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Egg is rich source of nutrients except..

Correct

Wrong

Skipped
A
Fats

Correct

Wrong

Skipped
B
Vitamin D

Correct

Wrong

Skipped
C
Protein

Correct

Wrong

Skipped
D
Vitamin C

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Solutions
Vitamin C
Question 23/30
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Directions For Questions

are home to all photosynthetic pigments

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Thylakoid membranes :

Correct

Wrong

Skipped
A
are the only site of ATP synthesis in plant cells

Correct

Wrong

Skipped
B
separate the matrix from the intermembrane space

Correct

Wrong

Skipped
C
are home to all photosynthetic pigments

Correct

Wrong

Skipped
D
contain a triose-P/Pi antiport protein

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Solutions
are home to all photosynthetic pigments
Question 24/30
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Directions For Questions

single layered

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In root the pericycle is ?

Correct

Wrong

Skipped
A
absent

Correct

Wrong

Skipped
B
three layered

Correct

Wrong

Skipped
C
single layered

Correct

Wrong

Skipped
D
tow layered

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Solutions
single layered
Question 25/30
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Directions For Questions

1,500,000

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At the present time, scientists have named approximately ____ species.

Correct

Wrong

Skipped
A
100,000

Correct

Wrong

Skipped
B
500,000

Correct

Wrong

Skipped
C
1,000,000

Correct

Wrong

Skipped
D
1,500,000

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Solutions
1,500,000
Question 26/30
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Directions For Questions

Alkaline

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Normal human blood is -

Correct

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Skipped
A
Neutral

Correct

Wrong

Skipped
B
Acidic

Correct

Wrong

Skipped
C
Variable

Correct

Wrong

Skipped
D
Alkaline

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Solutions
Alkaline
Question 27/30
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Directions For Questions

exponentially.

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In countries like India, the human population is growing

Correct

Wrong

Skipped
A
exponentially.

Correct

Wrong

Skipped
B
transitionally.

Correct

Wrong

Skipped
C
logistically.

Correct

Wrong

Skipped
D
demographically.

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Solutions
exponentially.
Question 28/30
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Directions For Questions

2,1,3

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Oxygen transportation in a human body takes place through 1. Blood 2. Lungs 3. Tissue The correct sequence of transportation is

Correct

Wrong

Skipped
A
1,2,3

Correct

Wrong

Skipped
B
3,1,2

Correct

Wrong

Skipped
C
2,1,3

Correct

Wrong

Skipped
D
1,3,2

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Solutions
2,1,3
Question 29/30
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Directions For Questions

Vitamin A

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Liver oil of fish is rich in...

Correct

Wrong

Skipped
A
Vitamin E

Correct

Wrong

Skipped
B
Vitamin C

Correct

Wrong

Skipped
C
Vitamin D

Correct

Wrong

Skipped
D
Vitamin A

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Solutions
Vitamin A
Question 30/30
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Directions For Questions

habitat.

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Polar bears live in the arctic. The arctic is their.

Correct

Wrong

Skipped
A
niche.

Correct

Wrong

Skipped
B
habitat.

Correct

Wrong

Skipped
C
tolerance.

Correct

Wrong

Skipped
D
microclimate.

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Solutions
habitat.

Question 1/30

Frictionless liquid flow

Cooling a substance without a phase change

A loss of thermal resistance

A loss of electrical resistance

Question 2/30

10 percent

0.1 percent

1 percent

0.01 percent

Question 3/30

Methane

Carbon dioxide

Butane

Carbon Monoxide

Question 4/30

Vitamin-B1

Vitamin-A

Vitamin-D

Vitamin-C

Question 5/30

Around the World in Eighty Days

Survival of the Fittest

The Principles of Population

On the Origin of Species

Question 6/30

coat

capsid

virion

viriod

Question 7/30

secondary xylem

secondary phloem

sclerenchyma fibres

sclereids

Question 8/30

Fleshy leaves

Aerial stem

Aerial flower

Modified root

Question 9/30

tt×tt?Tt

TT×TT?TT

Tt×tt?Tt

Tt×Tt?TT,Tt,tt

Question 10/30

A medical test for detecting cancer

A test for testing the use of drugs to improve performance by athletes

A chemical used for the development of food -packaging materials

A special type of alloy steel

Question 11/30

have different habitats within the tree.

don\'t eat food from the tree.

occupy different niches within the tree.

can find different temperatures within the tree.

Question 12/30

Mesozoic

Permian

Paleozoic

Cenozoic

Question 13/30

Water is given out in the form of droplets

Water given out is impure

Water is given out during daytime

None of the above

Question 14/30

vitamins

calcium

sugar

insulin

Question 15/30

Cancer

AIDS

Tuberculosis

Alzheimer's disease

Question 16/30

Sweat glands

Solid bones

Nerves

Eyelid