NEET Biology: Questions 443 - 448 of 3146

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Question number: 443

» Diversity in Living World » Five Kingdom Classification » Monera

MCQ▾

Question

Under which of the following condition a Gram positive bacteria turns Gram negative?

Choices

Choice (4) Response

a.

Aged bacterial culture.

b.

All of the above.

c.

Changed pH of medium.

d.

Defective staining technique.

Question number: 444

» Biotechnology and Its Applications » Application of Biotechnology in Health and Agriculture

MCQ▾

Question

Which one of the following is a correct statement?

Choices

Choice (4) Response

a.

“Flavr Savr” variety of tomato has enhanced the production of ethylene which improves its taste.

b.

Somatic hybridization involves fusion of two complete plant cells carrying desired genes.

c.

“Bt” in “Bt-cotton” indicates that it is a genetically modified organism produced through biotechnology.

d.

The anticoagulant hirudin is being produced from transgenic Brassica napus seeds.

Question number: 445

» Biotechnology and Its Applications » Human Insulin and Vaccine Production

MCQ▾

Question

Humulin is prepared by which type of transgenic micro-organism?

Choices

Choice (4) Response

a.

Clostridium

b.

Pseudomonas

c.

Entamoeba coli

d.

Escherichia coli

Question number: 446

» Biotechnology and Its Applications » Application of Biotechnology in Health and Agriculture

MCQ▾

Question

Cheese and yoghurt are products of

Choices

Choice (4) Response

a.

Pasteurisation

b.

Distillation

c.

Fermentation

d.

Dehydration

Question number: 447

» Plant Physiology » Mineral Nutrients » Nitrogen Metabolism

MCQ▾

Question

Example of ammonifying bacteria are

Choices

Choice (4) Response

a.

Bacillus valgari

b.

Nitroscoccus

c.

Pseudomonas

d.

Nitrosomonas

Question number: 448

» Cell Structure and Function » B Cell Division » Mitosis

MCQ▾

Question

Chromosome starts separating at which stage of mitosis?

Choices

Choice (4) Response

a.

Early metaphase

b.

Late metaphase

c.

Early telophase

d.

Early anaphase

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