Biology (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 7 - 10 of 136

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Question number: 7

» Biology » Some Common Diseases

MCQ▾

Question

One day you wake with a sore throat and runny nose. Your doctor takes a swab from your throat, sends it to a lab and telephones you the next day to say that antibiotic will not help you get better. Which of the following is the most likely reason for the doctor’s statement?

Choices

Choice (4) Response

a.

You need an antiseptic, not an antibiotic

b.

You are infected by a virus

c.

Having waited a day, it is too late to take an antibiotic

d.

You need to be vaccinated instead of taking an antibiotic

Question number: 8

» Biology » Some Common Diseases

MCQ▾

Question

Other than spreading malaria, anopheles mosquitoes are also vectors of

Choices

Choice (4) Response

a.

Yellow fever

b.

filariasis

c.

encephalitis

d.

dengue fever

Question number: 9

» Biology » Food Production & Management

Assertion-Reason▾

Assertion (Ꭺ)

Yeast such as Saccharomyces cerevisiae is used in baking industry.

Reason (Ꭱ)

Carbon dioxide produced during fermentation causes bread dough to rise by thermal expansion.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

b.

Both Ꭺ and Ꭱ are false

c.

Ꭺ is false but Ꭱ is true

d.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

Question number: 10

» Biology » Human Body

MCQ▾

Question

Totipotent cell is

Choices

Choice (4) Response

a.

cells that lack the capability of differentiating into an organ or system

b.

undifferentiated cells capable of development into complete embryo

c.

an undifferentiated cell capable of developing into a system or entire plant

d.

an undifferentiated cell capable of developing into an organ

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