Biology-Microorganisms (NSTSE (National Science Talent Search Exam- Unified Council) Class 8): Questions 1 - 7 of 70

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Question number: 1

» Biology » Microorganisms

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MCQ▾

Question

Tuberculosis (TB) is spread by:

Choices

Choice (4) Response

a.

Air

b.

Mosquitoes

c.

Contaminated water

d.

Question does not provide sufficient data or is vague

Question number: 2

» Biology » Microorganisms

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MCQ▾

Question

Budding asexual reproduction is found in:

Choices

Choice (4) Response

a.

Yeast and Hydra

b.

Paramecium and Amoeba

c.

Paramecium and Hydra

d.

Amoeba and Yeast

Question number: 3

» Biology » Microorganisms

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MCQ▾

Question

Which of the following acts as a host for the virus which cause malaria fever?

Choices

Choice (4) Response

a.

Rats

b.

Mosquitoes

c.

Houseflies

d.

Humans

Question number: 4

» Biology » Microorganisms

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MCQ▾

Question

The bread dough rises because of

Choices

Choice (4) Response

a.

Growth of yeast cells

b.

Growth of algal cells

c.

Grinding

d.

Heat

Question number: 5

» Biology » Microorganisms

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MCQ▾

Question

Yogurt is fermented milk product that contains

I. Lactobacillus bulgaricus

II. Streptococcus thermophilus

III. Pediococcus acidilactici

Which statements are correct?

Choices

Choice (4) Response

a.

I, II and III only

b.

II and III only

c.

I and II only

d.

Question does not provide sufficient data or is vague

Question number: 6

» Biology » Microorganisms

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MCQ▾

Question

The reasons that cause bread to mold are:

I. Presence of spores

II. Availability of a food source

III. Optimal temperature

Which of the statements are correct?

Choices

Choice (4) Response

a.

I only

b.

II and III only

c.

I, II and III only

d.

I and II only

Question number: 7

» Biology » Microorganisms

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MCQ▾

Question

Which of the following is called water silk?

Choices

Choice (4) Response

a.

Cladophora

b.

Spirogyra

c.

Vaucheria

d.

Volvox

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