Biology Test

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Biology Test - 45

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following is added to the fields for obtaining optimum growth of rice plants?

A

Nostoc

B

Chlorella

C

Rhizobium

D

Thiobacillus denitrificans
Question 2
1 / -0

Which of the following is correct about PUFA?

A

It is an unsaturated fatty acid with two single bonds.

B

It is an unsaturated fatty acid with more than one double bond.

C

It is an unsaturated fatty acid with one double bond.

D

It is an unsaturated fatty acid with more than two double bonds.
Question 3
1 / -0

Which of the following methods is used to detach peripheral membrane proteins of thylakoid?

A

Mechanical shearing

B

Organic solvent treatment

C

Detergent treatment

D

Sodium carbonate treatment
Question 4
1 / -0

Which of the following national parks is home to the Asiatic lion?

A

Gir National Park

B

Keoladeo National Park

C

Kaziranga National Park

D

Ranthambore National Park
Question 5
1 / -0

The cellular role for lysosome is not _______

A

Ingestion of foreign bodies

B

Osmoregulation

C

Digestion of aged organelles

D

Cell destruction during development
Question 6
1 / -0

Which of the following are bilaterally symmetrical, triploblastic endoparasites that are found in animals?a. Taeniab. Pleurobrachiac. Ctenoplanad. Fasciola

A

Only a and d

B

Only a and b

C

Only a and c

D

Only b and c
Question 7
1 / -0

Cnidarians exhibit two basic forms - polyp and medusa. Which of the following exhibit medusa form?a. Hydrab. Adamsiac. Jellyfishd. Aurelia

A

Only c and d

B

Only a and d

C

Only a and c

D

Only a and b
Question 8
1 / -0

In the human respiratory system, a portion of which of the following is the common passage for food and air?

A

Epiglottis

B

Trachea

C

Pharynx

D

Larynx
Question 9
1 / -0

Which of the following statements is/are false regarding the skeletal system?

A

It provides protection to delicate organs like brain, spinal cord and lungs.

B

The bone marrow serves as the centre for the production of calcium and phosphate.

C

The movements of the ribs and sternum help with breathing.

D

In the ear, the sound vibrations are conveyed by a set of three bones as in man.
Question 10
1 / -0

The kidneys excrete about 15% of the filtered potassium load of 10 mEq/kg per day. Which among the following statements concerning potassium is true?

A

The 3Na+/2K+ ATPase pumps potassium out of the cells.

B

Within cells, the concentration of potassium is lower than that of sodium.

C

Potassium is the major extracellular ion.

D

Potassium excretion is regulated by altering potassium secretion.

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Biology Test - 45

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Biology Test - 45

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SHARING IS CARING

Question 1

Nostoc

Chlorella

Rhizobium

Thiobacillus denitrificans

Question 2

It is an unsaturated fatty acid with two single bonds.

It is an unsaturated fatty acid with more than one double bond.

It is an unsaturated fatty acid with one double bond.

It is an unsaturated fatty acid with more than two double bonds.

Question 3

Mechanical shearing

Organic solvent treatment

Detergent treatment

Sodium carbonate treatment

Question 4

Gir National Park

Keoladeo National Park

Kaziranga National Park

Ranthambore National Park

Question 5

Ingestion of foreign bodies

Osmoregulation

Digestion of aged organelles

Cell destruction during development

Question 6

Only a and d

Only a and b

Only a and c

Only b and c

Question 7

Only c and d

Only a and d

Only a and c

Only a and b

Question 8

Epiglottis

Trachea

Pharynx

Larynx

Question 9

It provides protection to delicate organs like brain, spinal cord and lungs.

The bone marrow serves as the centre for the production of calcium and phosphate.

The movements of the ribs and sternum help with breathing.

In the ear, the sound vibrations are conveyed by a set of three bones as in man.

Question 10

The 3Na+/2K+ ATPase pumps potassium out of the cells.

Within cells, the concentration of potassium is lower than that of sodium.

Potassium is the major extracellular ion.

Potassium excretion is regulated by altering potassium secretion.

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