Biology [NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension]: Questions 124 - 129 of 136

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Question 124

Question MCQ▾

From which of the following, the first hormone was artificially produced by culturing bacteria?

Choices

Choice (4)Response

a.

Genome

b.

Recon

c.

Insulin

d.

Question does not provide sufficient data or is vague

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Question 125

Question MCQ▾

How many times mitosis divisions take place to produce 512 cells from a single parent cell?

Choices

Choice (4)Response

a.

256

b.

510

c.

9

d.

158

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Question 126

Question MCQ▾

Due to which of the following reasons ploughing is essential before sowing seed?

Choices

Choice (4)Response

a.

Growth of soil bacteria

b.

Penetration of plant roots

c.

Ventilation

d.

All a., b. and c. are correct

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Question 127

Question MCQ▾

At which of the following stages of cell division, the separation of chromatids and their movement to opposite poles occur?

Choices

Choice (4)Response

a.

Prophase

b.

Telophase

c.

Metaphase

d.

Anaphase

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Question 128

Question MCQ▾

Diabetes is established by

I. Occurrence of sugar in urine.

II. Blood sugar level.

III. Insulin level in blood.

IV. Blood protein level.

Which of the above statement (s) is/are correct?

Choices

Choice (4)Response

a.

II and IV

b.

I, II and III

c.

I and III

d.

I and II

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Question 129

Question MCQ▾

Mammals have double circulation it means that

Choices

Choice (4)Response

a.

Heart chambers receive both oxygenated and deoxygenated blood, which are completely separated from each other

b.

The blood circulates with double speed than other vertebrates

c.

There are two types of blood vessels associated to every organ

d.

The blood vessels are paired

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