NEET (2024 Updated)-National Eligibility cum Entrance Test (Medical) Biology: Questions 1165 - 1171 of 4199

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Question 1165

Question MCQ▾

Which one of the following is regarded as a natural genetic engineer?

Choices

Choice (4)Response

a.

Bacillus subtilis

b.

Neurospora crassa

c.

Agrobacterium tumefaciens

d.

Klebsiella frosteri

Edit

Question 1166

Question MCQ▾

Which one of the following is an example of cleistogamy?

Choices

Choice (4)Response

a.

Vallisneria

b.

Commelina

c.

Sunflower

d.

Calotropis

Edit

Question 1167

Question MCQ▾

Which one of the following is the main air pollutant?

Choices

Choice (4)Response

a.

Sulphur

b.

N2

c.

CO2

d.

CO

Edit

Question 1168

Question MCQ▾

Sex determination in Drosophila melanogaster is based on

Choices

Choice (4)Response

a.

X-Y chromosome mechanism.

b.

Genetic balance between the X-chromosome and autosomes.

c.

Pseudoalleles.

d.

Chromosome – environment interaction.

Edit

Question 1169

Question MCQ▾

Which of the following is less general in characters as compared to genus?

Choices

Choice (4)Response

a.

Species

b.

Family

c.

Class

d.

Division

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Question 1170

Question MCQ▾

Biogas consists of

Choices

Choice (4)Response

a.

Carbon monoxide, ethane and hydrogen.

b.

Carbon dioxide, methane and hydrogen.

c.

Carbon monoxide, methane and hydrogen.

d.

Carbon dioxide, ethane and hydrogen.

Edit

Question 1171

Question MCQ▾

To remove seed dormancy by mechanical removing of seed coat is called

Choices

Choice (4)Response

a.

Vernalization

b.

Stratification

c.

Photoperiodism

d.

Scarification

Edit