Biology Test 34

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Biology Test 34

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Question 1/30
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Directions For Questions

chromosomes

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During mitosis, the cell duplicates its _____, the strands of DNA found in its nucleus.

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Skipped
A
centromeres

Correct

Wrong

Skipped
B
chromosomes

Correct

Wrong

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C
chloroplasts

Correct

Wrong

Skipped
D
centrosomes

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Solutions
chromosomes
Question 2/30
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Directions For Questions

Moth has feathery antennae but butterfly has club shaped antennae.

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How do you differentiate a butterfly from a moth?

Correct

Wrong

Skipped
A
Moth has one pair of wings but butterfly has two pairs of wings.

Correct

Wrong

Skipped
B
Moth has feathery antennae but butterfly has club shaped antennae.

Correct

Wrong

Skipped
C
Moth has simple eyes but butterfly has compound eyes.

Correct

Wrong

Skipped
D
Moth is diurnal but butterfly is nocturnal.

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Solutions
Moth has feathery antennae but butterfly has club shaped antennae.
Question 3/30
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Directions For Questions

Wool

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Alpha -keratin is a protein present in

Correct

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A
Blood

Correct

Wrong

Skipped
B
Skin

Correct

Wrong

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C
Wool

Correct

Wrong

Skipped
D
Eggs

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Solutions
Wool
Question 4/30
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Directions For Questions

Muscles of heart

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Intercalated disc is found in:

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Skipped
A
Muscles of heart

Correct

Wrong

Skipped
B
Vertebrae

Correct

Wrong

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C
Muscles of legs

Correct

Wrong

Skipped
D
Public symphysis

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Solutions
Muscles of heart
Question 5/30
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Directions For Questions

Composition

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Which of the following terms is NOT a category for biological classification?

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A
Composition

Correct

Wrong

Skipped
B
Phylum

Correct

Wrong

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C
Genus

Correct

Wrong

Skipped
D
Class

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Solutions
Composition
Question 6/30
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Directions For Questions

Homologous chromosomes

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A pair of morphologically similar chromosomes is known as?

Correct

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A
Homologous chromosomes

Correct

Wrong

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B
Heterologous chromosomes

Correct

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C
X and Y male chromosomes

Correct

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D
Both A, and C

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Solutions
Homologous chromosomes
Question 7/30
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Directions For Questions

Ronald Ross

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Who discovered the germ of malaria?

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A
Lamarck

Correct

Wrong

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B
G.J. Mendel

Correct

Wrong

Skipped
C
De Vries

Correct

Wrong

Skipped
D
Ronald Ross

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Solutions
Ronald Ross
Question 8/30
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Directions For Questions

Calcium oxalate

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The 'Stones' formed in human kidney consist mostly of

Correct

Wrong

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A
Calcium oxalate

Correct

Wrong

Skipped
B
Sodium acetate

Correct

Wrong

Skipped
C
Magnesium sulphate

Correct

Wrong

Skipped
D
Calcium

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Solutions
Calcium oxalate
Question 9/30
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Directions For Questions

plants

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Phloem is a tissue found in ____.

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Wrong

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A
reproductive organs of animals

Correct

Wrong

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B
plants

Correct

Wrong

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C
insects

Correct

Wrong

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D
mammals

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Solutions
plants
Question 10/30
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Directions For Questions

Rifampicin

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Which one of the following antimicrobial drugs is suitable for treatment of both tuberculosis and leprosy ?

Correct

Wrong

Skipped
A
Isoniazid

Correct

Wrong

Skipped
B
P-aminosalicyclic acid

Correct

Wrong

Skipped
C
Streptomycin

Correct

Wrong

Skipped
D
Rifampicin

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Solutions
Rifampicin
Question 11/30
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Directions For Questions

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

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Assertion (A): Amoeba reproduced by fission.Reason (R): All unicellular organ-isms reproduce by asexual methods.

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

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Wrong

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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
Both A and R are true and R is the correct explanation of A
Question 12/30
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Directions For Questions

materials are cycled through ecosystems; energy is not.

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The fundamental difference between materials and energy is that

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A
energy is cycled through ecosystems; materials are not.

Correct

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B
materials are cycled through ecosystems; energy is not.

Correct

Wrong

Skipped
C
materials can be converted into energy; energy cannot be converted into materials.

Correct

Wrong

Skipped
D
energy can be converted into materials; materials cannot be converted into energy.

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Solutions
materials are cycled through ecosystems; energy is not.
Question 13/30
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Directions For Questions

phosphoglycerate

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The compound identified by Calvin, Benson, and Bassham as the first one made by CO2 fixation is:

Correct

Wrong

Skipped
A
ribulose bisphosphate

Correct

Wrong

Skipped
B
phosphoglycerate

Correct

Wrong

Skipped
C
triose-phosphate

Correct

Wrong

Skipped
D
malate

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Solutions
phosphoglycerate
Question 14/30
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Directions For Questions

Endothermic Action

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Which of the following actions is related with evaporation of sweat ?

Correct

Wrong

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A
Endothermic Action

Correct

Wrong

Skipped
B
Exothermic Action

Correct

Wrong

Skipped
C
Chemical Action

Correct

Wrong

Skipped
D
Salty Reaction

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Solutions
Endothermic Action
Question 15/30
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Directions For Questions

Calcium phosphate

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What is the main component of bones and teeth ?

Correct

Wrong

Skipped
A
Calcium nitrate

Correct

Wrong

Skipped
B
Calcium carbonate

Correct

Wrong

Skipped
C
Calcium phosphate

Correct

Wrong

Skipped
D
Calcium sulphate

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Solutions
Calcium phosphate
Question 16/30
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Directions For Questions

Statement A is correct and B is wrong

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Read the following statements A and B. A: Many organs of aquatic plants float in water. B: Large air gaps are present in the collenchyma tissues of lotus leaf. Select the correct answer.

Correct

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A
Statement B is correct and A is wrong

Correct

Wrong

Skipped
B
Statements A and B both are correct

Correct

Wrong

Skipped
C
Statements A and B both are wrong

Correct

Wrong

Skipped
D
Statement A is correct and B is wrong

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Solutions
Statement A is correct and B is wrong
Question 17/30
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Directions For Questions

1,2,3 and 4

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Consider the following 1. Rice fields 2. Gold mining 3. Domestic Animals 4. Wetlands Which of the above are sources of methane a major greenhouse gas ?

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A
1 and 4 only

Correct

Wrong

Skipped
B
2 and 3 only

Correct

Wrong

Skipped
C
1,2 and 3 only

Correct

Wrong

Skipped
D
1,2,3 and 4

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Solutions
1,2,3 and 4
Question 18/30
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Directions For Questions

Polio and Bird Flu

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Diseases of which of the following pairs are caused by virus?

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A
Polio and Bird Flu

Correct

Wrong

Skipped
B
Malaria and Polio

Correct

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Skipped
C
Polio and Tuberculosis

Correct

Wrong

Skipped
D
Tuberculosis and Influenza

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Solutions
Polio and Bird Flu
Question 19/30
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Directions For Questions

Lactose

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The sugar present in milk is _______.

Correct

Wrong

Skipped
A
Glucose

Correct

Wrong

Skipped
B
Lactose

Correct

Wrong

Skipped
C
Fructose

Correct

Wrong

Skipped
D
Sucrose

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Solutions
Lactose
Question 20/30
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Directions For Questions

Blockage of xylem

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Wilting in plants occurs due to?

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Wrong

Skipped
A
Blockage of phloem

Correct

Wrong

Skipped
B
Blockage of xylem

Correct

Wrong

Skipped
C
Both (a) and (b)

Correct

Wrong

Skipped
D
Increased transpiration

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Solutions
Blockage of xylem
Question 21/30
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Directions For Questions

Agrobacterium tumefaciens

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Which one of the following bacterium is used for production of transgenic plants?

Correct

Wrong

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A
Staphylococcus aureus

Correct

Wrong

Skipped
B
Agrobacterium tumefaciens

Correct

Wrong

Skipped
C
Escherichia coli

Correct

Wrong

Skipped
D
Bacillus thuringiensis

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Solutions
Agrobacterium tumefaciens
Question 22/30
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Directions For Questions

Calcium, potassium and iron

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Besides proteins and carbohydrates, other elements of nutritional value found in milk include

Correct

Wrong

Skipped
A
Calcium, potassium and iron

Correct

Wrong

Skipped
B
Calcium and potassium

Correct

Wrong

Skipped
C
Potassium and iron

Correct

Wrong

Skipped
D
Calcium and iron

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Solutions
Calcium, potassium and iron
Question 23/30
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Directions For Questions

Frog has no parotid glands but toad has a pair of parotid glands

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How do you differentiate a frog from a toad ?

Correct

Wrong

Skipped
A
Frog has no exoskeleton but toad has scales

Correct

Wrong

Skipped
B
Frog respires through lungs but toad respires through skin

Correct

Wrong

Skipped
C
Frog has a tail but toad has no tail

Correct

Wrong

Skipped
D
Frog has no parotid glands but toad has a pair of parotid glands

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Solutions
Frog has no parotid glands but toad has a pair of parotid glands
Question 24/30
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Directions For Questions

Living organisms modify their environment a little at a time.

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Which of the following occurs during the ecological succession of an ecosystem?

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A
An ecosystem reaches a final, unchanging stage.

Correct

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B
Animals move out of the ecosystem until succession is complete.

Correct

Wrong

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C
Living organisms modify their environment a little at a time.

Correct

Wrong

Skipped
D
Parts of communities split off to form new communities.

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Solutions
Living organisms modify their environment a little at a time.
Question 25/30
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Directions For Questions

The Galapagos Islands

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Where did Darwin observe closely related species of finches and closely related species of tortorises?

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Skipped
A
The Galapagos Islands

Correct

Wrong

Skipped
B
the Cape Verde Island

Correct

Wrong

Skipped
C
Patagonia, South America

Correct

Wrong

Skipped
D
Australia

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Solutions
The Galapagos Islands
Question 26/30
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Directions For Questions

Zymase

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The enzyme that converts glucose to ethyl alcohol is ______ .

Correct

Wrong

Skipped
A
Diastase

Correct

Wrong

Skipped
B
Zymase

Correct

Wrong

Skipped
C
Maltase

Correct

Wrong

Skipped
D
Invertase

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Solutions
Zymase
Question 27/30
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Directions For Questions

phospholpids and proteins

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Cell membrane is a mosaic of..

Correct

Wrong

Skipped
A
phospholipds

Correct

Wrong

Skipped
B
peripheral proteins

Correct

Wrong

Skipped
C
sugars

Correct

Wrong

Skipped
D
phospholpids and proteins

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Solutions
phospholpids and proteins
Question 28/30
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Directions For Questions

BAP

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Which one of the following is NOT an antitranspirant?

Correct

Wrong

Skipped
A
PMA

Correct

Wrong

Skipped
B
BAP

Correct

Wrong

Skipped
C
Silicon oil

Correct

Wrong

Skipped
D
Low viscosity

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Solutions
BAP
Question 29/30
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Directions For Questions

a density-independent limiting factor

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The graph in Figure 5-3 shows the changes in a mosquito population. What caused the changes seen in the graph?

Correct

Wrong

Skipped
A
a reduction in resources

Correct

Wrong

Skipped
B
a increase in predation.

Correct

Wrong

Skipped
C
a density-independent limiting factor

Correct

Wrong

Skipped
D
a density-dependent limiting factor

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Solutions
a density-independent limiting factor
Question 30/30
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Directions For Questions

7.35-7.45

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What is the ph level of blood of a normal person ?

Correct

Wrong

Skipped
A
4.5-4.6

Correct

Wrong

Skipped
B
6.45-65.6

Correct

Wrong

Skipped
C
7.35-7.45

Correct

Wrong

Skipped
D
8.25-8.35

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Solutions
7.35-7.45

Question 1/30

centromeres

chromosomes

chloroplasts

centrosomes

Question 2/30

Moth has one pair of wings but butterfly has two pairs of wings.

Moth has feathery antennae but butterfly has club shaped antennae.

Moth has simple eyes but butterfly has compound eyes.

Moth is diurnal but butterfly is nocturnal.

Question 3/30

Blood

Skin

Wool

Eggs

Question 4/30

Muscles of heart

Vertebrae

Muscles of legs

Public symphysis

Question 5/30

Composition

Phylum

Genus

Class

Question 6/30

Homologous chromosomes

Heterologous chromosomes

X and Y male chromosomes

Both A, and C

Question 7/30

Lamarck

G.J. Mendel

De Vries

Ronald Ross

Question 8/30

Calcium oxalate

Sodium acetate

Magnesium sulphate

Calcium

Question 9/30

reproductive organs of animals

plants

insects

mammals

Question 10/30

Isoniazid

P-aminosalicyclic acid

Streptomycin

Rifampicin

Question 11/30

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 12/30

energy is cycled through ecosystems; materials are not.

materials are cycled through ecosystems; energy is not.

materials can be converted into energy; energy cannot be converted into materials.

energy can be converted into materials; materials cannot be converted into energy.

Question 13/30

ribulose bisphosphate

phosphoglycerate

triose-phosphate

malate

Question 14/30

Endothermic Action

Exothermic Action

Chemical Action

Salty Reaction

Question 15/30

Calcium nitrate

Calcium carbonate

Calcium phosphate

Calcium sulphate

Question 16/30

Statement B is correct and A is wrong

Statements A and B both are correct

Statements A and B both are wrong

Statement A is correct and B is wrong