Microorganisms Friend And Foe Test

Result

Microorganisms Friend And Foe Test - 10

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Weekly Quiz Competition

Question 1

1 / -0

Study the following table and select the correct option for P, Q, R and S.

Disease	Causative organism	Mode of transmission
Chicken-pox	Virus	P
Q	Bacterium	Water/Food
Malaria	R	Mosquito
S	Virus	Water

P-Air/contact; Q-Cholera; R-Protozoan; S-Hepatitis B

P-Mosquito; Q-Measles; R-Fungi; S-Polio

P-Water; 0-Polio; R-Protozoan; S-Hepatitis B

P-Air; Q-Typhoid; R-Fungi; S-Measles

Question 2

1 / -0

Refer to the given diseases.

Select the option which correctly identifies bacterial diseases (P), viral diseases (Q), protozoan diseases (R) and fungal diseases (S).

(i) Athlete's foot	(ii) Amoebic dysentery
(iii) Polio	(iv) Cholera
(v) Malaria	(vi) Measles
(vii) Pyorrhea	(viii) Ringworm
(ix) Typhoid	(x) Tuberculosis

P Q R S

(iii), (iv), (v) (ix), (x) (i), (ii), (v) (vii), (viii)

P Q R S

(iii), (vi), (x) (iv), (ix) (ii), (v), (viii) (i), (vii)

P Q R S

(iv), (vii), (ix), (x) (iii), (vi) (ii), (v) (i), (viii)

P Q R S

(iv), (vi), (x) (iii), (ix) (ii), (v), (vii) (i), (viii)

Question 3

1 / -0

Match different organisms in column I with their related characteristics in column II and select the correct option from the codes given below.

Column I		Column II
(a)	Entamoeba histolytica	(i)	A brown alga which is a rich source of iodine
(b)	Bacteriophage	(ii)	A protozoan that causes disease in human beings by living in the large intestine of humans
(c)	Penicillium	(iii)	A virus which infects a bacterial cell.
(d)	Fucus	(iv)	A fungus used to obtain antibiotic.

(a) - (ii), (b) - (iii), (c) - (iv), (d) - (i)

(a) - (iii), (b) - (ii), (c) - (iv), (d) - (i)

(a) - (ii), (b) - (i), (c) - (iii), (d) - (iv)

(a) - (iv), (b) - (ii), (c) - (i), (d) - (iii)

Question 4
1 / -0

Consider the following statements and select the option which correctly identifies true (T) and false (F) ones.

(i) Diatoms are marine algae which float in water due to the presence of light storage fats with silica.

(ii) AIDS virus kills WBC and reduces immunity of the body.

(iii) Escherichia coli is present in intestine of human where they help in digestion of food.

(iv) A virus always consists of double strands of DNA or RNA surrounded by protein coat.

A

(i) (ii) (iii) (iv)

T F T F

B

(i) (ii) (iii) (iv)

T T T F

C

(i) (ii) (iii) (iv)

T T F F

D

(i) (ii) (iii) (iv)

T F T T
Question 5
1 / -0

Select the incorrect statement.

A
Anthrax is a bacterial disease that affects humans and cattle.

B
Rust of wheat is a fungal disease that spread by air.

C
Citrus canker is a viral disease that affects citrus fruits.

D
Yellow vein mosaic is a viral disease that affects bhindi.

Solution

Citrus canker, a disease that affects citrus fruits, is caused by the bacterium Xanthomonas species. Infection causes lesions on the leaves, stems and fruits of citrus trees, e.g. lemon, oranges and grapes.
Question 6
1 / -0

A bacteria undergoes binary fission in every minute. This bacterium can fill up a cup in 1 hour. In how much time will the cup be half filled?

A
30 minutes

B
59 minutes

C
20 minutes

D
40 minutes
Question 7
1 / -0

How many among the following are fungal diseases in plants?

Citrus canker, Late blight of potato, Mosaic disease of mustard, Downy mildew of grapes, Leaf curl of cotton, Rust of wheat, Tobacco mosaic disease, Loose smut of wheat, Leaf curl of tomato

A
6

B
7

C
4

D
5

Solution

Late blight of potato, downy mildew of grapes, rust of wheat and loose smut of wheat are fungal diseases.
Question 8
1 / -0

Study the given correlation.

Heat treatment : Sterilisation : : Vaccination : X

Here, X refers to

A
Pasteurisation

B
Immunisation

C
Fertilisation

D
Inoculation

Solution

As sterilisation is obtained through heat treatment, similarly immunisation is obtained through vaccination.

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Re-Attempt Weekly Quiz Competition

Microorganisms Friend And Foe Test - 10

Result

Microorganisms Friend And Foe Test - 10

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SHARING IS CARING

Question 1

P-Air/contact; Q-Cholera; R-Protozoan; S-Hepatitis B

P-Mosquito; Q-Measles; R-Fungi; S-Polio

P-Water; 0-Polio; R-Protozoan; S-Hepatitis B

P-Air; Q-Typhoid; R-Fungi; S-Measles

Question 2

P Q R S (iii), (iv), (v) (ix), (x) (i), (ii), (v) (vii), (viii)

P Q R S (iii), (vi), (x) (iv), (ix) (ii), (v), (viii) (i), (vii)

P Q R S (iv), (vii), (ix), (x) (iii), (vi) (ii), (v) (i), (viii)

P Q R S (iv), (vi), (x) (iii), (ix) (ii), (v), (vii) (i), (viii)

Question 3

(a) - (ii), (b) - (iii), (c) - (iv), (d) - (i)

(a) - (iii), (b) - (ii), (c) - (iv), (d) - (i)

(a) - (ii), (b) - (i), (c) - (iii), (d) - (iv)

(a) - (iv), (b) - (ii), (c) - (i), (d) - (iii)

Question 4

(i) (ii) (iii) (iv) T F T F

(i) (ii) (iii) (iv) T T T F

(i) (ii) (iii) (iv) T T F F

(i) (ii) (iii) (iv) T F T T

Question 5

Anthrax is a bacterial disease that affects humans and cattle.

Rust of wheat is a fungal disease that spread by air.

Citrus canker is a viral disease that affects citrus fruits.

Yellow vein mosaic is a viral disease that affects bhindi.

Solution

Question 6

30 minutes

59 minutes

20 minutes

40 minutes

Question 7

6

7

4

5

Solution

Question 8

Pasteurisation

Immunisation

Fertilisation

Inoculation

Solution

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P Q R S

(iii), (iv), (v) (ix), (x) (i), (ii), (v) (vii), (viii)

P Q R S

(iii), (vi), (x) (iv), (ix) (ii), (v), (viii) (i), (vii)

P Q R S

(iv), (vii), (ix), (x) (iii), (vi) (ii), (v) (i), (viii)

P Q R S

(iv), (vi), (x) (iii), (ix) (ii), (v), (vii) (i), (viii)

(i) (ii) (iii) (iv)

T F T F

(i) (ii) (iii) (iv)

T T T F

(i) (ii) (iii) (iv)

T T F F

(i) (ii) (iii) (iv)

T F T T