Biology Test 46

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Biology Test 46

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Question 1/30
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Directions For Questions

180-200 mg

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The normal cholesterol level in human blood is..

Correct

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A
180-200 mg

Correct

Wrong

Skipped
B
140-180 mg

Correct

Wrong

Skipped
C
120-140 mg

Correct

Wrong

Skipped
D
80-120 mg

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Solutions
180-200 mg
Question 2/30
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Directions For Questions

They are recessive and carried by heterozygous individuals

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Harmful mutations do not get eliminated from gene pool because

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A
They have survival value

Correct

Wrong

Skipped
B
Genetic drift

Correct

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C
They are formed repeatedly

Correct

Wrong

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D
They are recessive and carried by heterozygous individuals

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Solutions
They are recessive and carried by heterozygous individuals
Question 3/30
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Directions For Questions

The enzymes required for carbon fixation are located only in the grana of chloroplasts.

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Which statement about photosynthesis is false?

Correct

Wrong

Skipped
A
Photosynthesis is a redox process in which water is oxidised and carbon dioxide is reduced.

Correct

Wrong

Skipped
B
The enzymes required for carbon fixation are located only in the grana of chloroplasts.

Correct

Wrong

Skipped
C
In green plants, both PS I and PS II are required for the formation of NADPH H .

Correct

Wrong

Skipped
D
The electron carriers involved in photophosphorylation are located on the thylakoid membranes

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Solutions
The enzymes required for carbon fixation are located only in the grana of chloroplasts.
Question 4/30
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Directions For Questions

Cytophase

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Which of the following is NOT a phase of mitosis?

Correct

Wrong

Skipped
A
Interphase

Correct

Wrong

Skipped
B
Prophase

Correct

Wrong

Skipped
C
Metaphase

Correct

Wrong

Skipped
D
Cytophase

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Solutions
Cytophase
Question 5/30
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Directions For Questions

Echinodermata - Asteroidea - Star fish

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Which of the following is properly matched?

Correct

Wrong

Skipped
A
Echinodermata - Asteroidea - Star fish

Correct

Wrong

Skipped
B
Arthropoda -Insecta -Spider

Correct

Wrong

Skipped
C
Mollusca - Cephalopoda - Unio

Correct

Wrong

Skipped
D
Platyhelminthes -Trematoda - Planaria

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Solutions
Echinodermata - Asteroidea - Star fish
Question 6/30
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Directions For Questions

flower

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Pollen grains in plants are produced in?

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Wrong

Skipped
A
roots

Correct

Wrong

Skipped
B
leaves

Correct

Wrong

Skipped
C
flower

Correct

Wrong

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D
stem

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Solutions
flower
Question 7/30
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Directions For Questions

molding or adapting to one\'s environment

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Which of the following is not a property of life ?

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A
molding or adapting to one\'s environment

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B
regulating materials that enter or leave the system

Correct

Wrong

Skipped
C
responding to stimuli

Correct

Wrong

Skipped
D
maintaining a relatively constant internal condition

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Solutions
molding or adapting to one\'s environment
Question 8/30
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Directions For Questions

A is true but R is false

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Assertion (A): Fatty acids should be a part of the balanced human diet.Reason (R): The cells of the human body cannot synthesize any fatty acids.

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A
Both A and R are true and R is the correct explanation of A

Correct

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B
Both A and R are true but R is NOT the correct explanation of A

Correct

Wrong

Skipped
C
A is true but R is false

Correct

Wrong

Skipped
D
A is false but R is true

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Solutions
A is true but R is false
Question 9/30
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Directions For Questions

was gathered from observations made by Darwin and from information presented by others

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All of the evidence gathered by Darwin to support his theory of evolution by natural selection

Correct

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A
was gathered based solely on observations made during his trip to the Galapagos Islands

Correct

Wrong

Skipped
B
was first presented in a book by Charles Lyell

Correct

Wrong

Skipped
C
was gathered from observations made by Darwin and from information presented by others

Correct

Wrong

Skipped
D
was presented in his book Essay on the Principle of Population

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Solutions
was gathered from observations made by Darwin and from information presented by others
Question 10/30
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Directions For Questions

Drupes

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Fleshy fruits with stony endocarp are called

Correct

Wrong

Skipped
A
Capsules

Correct

Wrong

Skipped
B
Drupes

Correct

Wrong

Skipped
C
Pomes

Correct

Wrong

Skipped
D
Berries

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Solutions
Drupes
Question 11/30
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Directions For Questions

bacterium Helicobacter pylori causing peptic ulcer

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The 2005 Nobel Prize for Physiology / Medicine was awarded to Barry Marshall and Robin Warren of Australia for their discover of ________.

Correct

Wrong

Skipped
A
human papilloma virus causing cervical cancer

Correct

Wrong

Skipped
B
bacterium Helicobacter pylori causing peptic ulcer

Correct

Wrong

Skipped
C
prions, a new biological principle of infection

Correct

Wrong

Skipped
D
Human Immunodeficiency Virus

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Solutions
bacterium Helicobacter pylori causing peptic ulcer
Question 12/30
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Directions For Questions

Mitochondria

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The power house of energy in cells is ?

Correct

Wrong

Skipped
A
Ribosomes

Correct

Wrong

Skipped
B
Golgi bodies

Correct

Wrong

Skipped
C
Endoplamic reticulum

Correct

Wrong

Skipped
D
Mitochondria

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Solutions
Mitochondria
Question 13/30
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Directions For Questions

a cell

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The basic unit of all living organisms is?

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Wrong

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A
a cell

Correct

Wrong

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B
a drop of blood

Correct

Wrong

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C
a molecule of glucose

Correct

Wrong

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D
a set of proteins

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Solutions
a cell
Question 14/30
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Directions For Questions

b

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Which of the following statements is NOT true about the Plant Kingdom?

Correct

Wrong

Skipped
A
All plants are capable of photosynthesis.

Correct

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Skipped
B
All plants are capable of bearing flowers.

Correct

Wrong

Skipped
C
All plants are incapable of sexual reproduction.

Correct

Wrong

Skipped
D
b

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Solutions
b
Question 15/30
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Directions For Questions

Ascaris – Flame cell

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Which of the following is NOT correctly matched?

Correct

Wrong

Skipped
A
Sycon – Canal system

Correct

Wrong

Skipped
B
Star fish – Radial symmetry

Correct

Wrong

Skipped
C
Ascaris – Flame cell

Correct

Wrong

Skipped
D
Prawn – Haemocoel

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Solutions
Ascaris – Flame cell
Question 16/30
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Directions For Questions

Unripe Fruits

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Opium is obtained from which part of the poppy plant ?

Correct

Wrong

Skipped
A
Unripe Fruits

Correct

Wrong

Skipped
B
Flower

Correct

Wrong

Skipped
C
Leaves

Correct

Wrong

Skipped
D
Roots

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Solutions
Unripe Fruits
Question 17/30
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Directions For Questions

red squirrels, which hide food and actively defend territories

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Which of the following would be most likely to exhibit uniform dispersion?

Correct

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A
cattails, which grow primarily at edges of lakes and streams

Correct

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B
dwarf mistletoes, which parasitize particular species of forest trees

Correct

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C
tassel-eared squirrels, which are nonterritorial

Correct

Wrong

Skipped
D
red squirrels, which hide food and actively defend territories

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Solutions
red squirrels, which hide food and actively defend territories
Question 18/30
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Directions For Questions

Predation.

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An insect that has evolved to resemble a plant twig will probably be able to avoid?

Correct

Wrong

Skipped
A
Competition

Correct

Wrong

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B
Commensalism.

Correct

Wrong

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C
Symbiosis

Correct

Wrong

Skipped
D
Predation.

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Solutions
Predation.
Question 19/30
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Directions For Questions

A-(4),B-(3),C-(2),D-(1)

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Match List-I with List-II and select the correct answer using the codes given below the lists : List-I(Disease ) List-II (Organism ) A. Malaria 1. Fungi B. Poliomyelities 2. Bacteria C. Tuberculosis 3. Virus D. Ringworm 4. Protozoan

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A
A-(4),B-(3),C-(2),D-(1)

Correct

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B
A-(4),B-(3),C-(1),D-(2)

Correct

Wrong

Skipped
C
A-(3),B-(4),C-(1),D-(2)

Correct

Wrong

Skipped
D
A-(3),B-(4),C-(2),D-(1)

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Solutions
A-(4),B-(3),C-(2),D-(1)
Question 20/30
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Directions For Questions

iteroparity

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The organism with high parental care will also show _____.

Correct

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Skipped
A
small size of offsprings

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Wrong

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B
maturation at early stage

Correct

Wrong

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C
iteroparity

Correct

Wrong

Skipped
D
semelparity

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Solutions
iteroparity
Question 21/30
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Directions For Questions

contain enzymes to digest bacteria.

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Lysosomes are involved in the defence of the body. They:

Correct

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Skipped
A
carry out phagocytosis and engulf bacteria.

Correct

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Skipped
B
produce antibodies to destroy viruses.

Correct

Wrong

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C
release antgens to destroy bacteria.

Correct

Wrong

Skipped
D
contain enzymes to digest bacteria.

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Solutions
contain enzymes to digest bacteria.
Question 22/30
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Directions For Questions

Coal mining industry

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Pneumoconiosis afflicts the workers who work mainly in:

Correct

Wrong

Skipped
A
Tanneries

Correct

Wrong

Skipped
B
Coal mining industry

Correct

Wrong

Skipped
C
Distilleries

Correct

Wrong

Skipped
D
Glass industry

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Solutions
Coal mining industry
Question 23/30
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Directions For Questions

Maize

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A seed which does not possess micropyle and hilum is?

Correct

Wrong

Skipped
A
Castor

Correct

Wrong

Skipped
B
Pea

Correct

Wrong

Skipped
C
Maize

Correct

Wrong

Skipped
D
Gram

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Solutions
Maize
Question 24/30
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Directions For Questions

Sporozoite

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Which stage of malarial parasite is infective to man?

Correct

Wrong

Skipped
A
Sporozoite

Correct

Wrong

Skipped
B
Gametocyte

Correct

Wrong

Skipped
C
Merozoite

Correct

Wrong

Skipped
D
Cryptomerozoite

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Solutions
Sporozoite
Question 25/30
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Directions For Questions

cellulose

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Fiber diet includes ____ .

Correct

Wrong

Skipped
A
fats

Correct

Wrong

Skipped
B
cellulose

Correct

Wrong

Skipped
C
proteins

Correct

Wrong

Skipped
D
glycogen

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Solutions
cellulose
Question 26/30
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Directions For Questions

Fungus

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"Athlete's Foot" is a disease caused by

Correct

Wrong

Skipped
A
Bacteria

Correct

Wrong

Skipped
B
Fungus

Correct

Wrong

Skipped
C
Protozoan

Correct

Wrong

Skipped
D
Nematode

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Solutions
Fungus
Question 27/30
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Directions For Questions

heart

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ECG is used for the diagnosis of ailments of the?

Correct

Wrong

Skipped
A
liver

Correct

Wrong

Skipped
B
skin

Correct

Wrong

Skipped
C
heart

Correct

Wrong

Skipped
D
kidneys

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Solutions
heart
Question 28/30
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Directions For Questions

determine that the chemical increases apple yield

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The orchard sprayed with the chemical yeilds an average of 60 apples per tree, the other orchard yields an average of 40 apples per tree. Based on the data, the scientist would.

Correct

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Skipped
A
report his data

Correct

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B
test the chemical on other plants

Correct

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C
determine that the chemical increases apple yield

Correct

Wrong

Skipped
D
determine that the results were inconclusive

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Solutions
determine that the chemical increases apple yield
Question 29/30
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Directions For Questions

chondroblasts die

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The process of ossification begins when ________.

Correct

Wrong

Skipped
A
chondroblasts die

Correct

Wrong

Skipped
B
blood vessels enter the area

Correct

Wrong

Skipped
C
osteocytes invade the area

Correct

Wrong

Skipped
D
osteoblasts secrete osteoid

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Solutions
chondroblasts die
Question 30/30
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Directions For Questions

ancestors of modern man

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Ramapithecus and Cro-Magnon man are considered________.

Correct

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Skipped
A
ancestors of modern man

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Wrong

Skipped
B
ancestors of monkey

Correct

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Skipped
C
ancestors of lion

Correct

Wrong

Skipped
D
None of the above

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Solutions
ancestors of modern man

Question 1/30

180-200 mg

140-180 mg

120-140 mg

80-120 mg

Question 2/30

They have survival value

Genetic drift

They are formed repeatedly

They are recessive and carried by heterozygous individuals

Question 3/30

Photosynthesis is a redox process in which water is oxidised and carbon dioxide is reduced.

The enzymes required for carbon fixation are located only in the grana of chloroplasts.

In green plants, both PS I and PS II are required for the formation of NADPH H .

The electron carriers involved in photophosphorylation are located on the thylakoid membranes

Question 4/30

Interphase

Prophase

Metaphase

Cytophase

Question 5/30

Echinodermata - Asteroidea - Star fish

Arthropoda -Insecta -Spider

Mollusca - Cephalopoda - Unio

Platyhelminthes -Trematoda - Planaria

Question 6/30

roots

leaves

flower

stem

Question 7/30

molding or adapting to one\'s environment

regulating materials that enter or leave the system

responding to stimuli

maintaining a relatively constant internal condition

Question 8/30

Both A and R are true and R is the correct explanation of A

Both A and R are true but R is NOT the correct explanation of A

A is true but R is false

A is false but R is true

Question 9/30

was gathered based solely on observations made during his trip to the Galapagos Islands

was first presented in a book by Charles Lyell

was gathered from observations made by Darwin and from information presented by others

was presented in his book Essay on the Principle of Population

Question 10/30

Capsules

Drupes

Pomes

Berries

Question 11/30

human papilloma virus causing cervical cancer

bacterium Helicobacter pylori causing peptic ulcer

prions, a new biological principle of infection

Human Immunodeficiency Virus

Question 12/30

Ribosomes

Golgi bodies

Endoplamic reticulum

Mitochondria

Question 13/30

a cell

a drop of blood

a molecule of glucose

a set of proteins

Question 14/30

All plants are capable of photosynthesis.

All plants are capable of bearing flowers.

All plants are incapable of sexual reproduction.

b

Question 15/30

Sycon – Canal system

Star fish – Radial symmetry

Ascaris – Flame cell

Prawn – Haemocoel

Question 16/30

Unripe Fruits

Flower

Leaves

Roots