NEET Biology: Questions 210 - 215 of 3146

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Question number: 210

» Genetics and Evolution » Molecular Basis of Inheritance » Gene Expression and Regulation

MCQ▾

Question

In operon concept, the regulator gene regulates chemical reactions in the cell by

Choices

Choice (4) Response
a.

Inhibiting migration of mRNA into cytoplasm.

b.

Inhibiting the substrate in the reaction.

c.

Inactivating enzymes in the reaction

d.

Inhibiting transcription of mRNA

Question number: 211

» Biotechnology and Its Applications » Recombinant DNA Technology

MCQ▾

Question

Find the incorrect statement

Choices

Choice (4) Response
a.

Bt toxin is a biodegradable insecticide obtained from Bacillus thuringinsis.

b.

Trichoderima species is a biocontrol agent for fungal diseases of plants.

c.

Gene therapy is a genetic engineering technique used to treat diseases at molecular level by replacing defective genes with normal genes.

d.

Calcitonin is a medically useful recombinant product in the treatment of infertility.

Question number: 212

» Plant Physiology » Plant Growth and Development » Seed Dormancy

MCQ▾

Question

Legume seeds exhibit dormancy because of

Choices

Choice (4) Response
a.

Hard seed coat.

b.

Absence of gibberellic acid.

c.

Absence of cytokinins.

d.

Undeveloped employs.

Question number: 213

» Plant Physiology » Photosynthesis » Site of Photosynthesis Take Place

MCQ▾

Question

Which is common in respiration and photosynthesis?

Choices

Choice (4) Response
a.

Oxidation

b.

Photosystem

c.

Cytochrome

d.

Phytochrome

Question number: 214

» Genetics and Evolution » Heredity and Variation » Chromosomes and Genes

MCQ▾

Question

Mendel proposed which of the following term for hereditary units?

Choices

Choice (4) Response
a.

Factor (Determiner)

b.

Genetic particle

c.

Genome

d. None of the above

Question number: 215

» Genetics and Evolution » Heredity and Variation » Chromosomes and Genes

MCQ▾

Question

Mule is an offspring of

Choices

Choice (4) Response
a.

Male and female donkey

b.

Cow and ox

c.

Male horse and female ass

d.

Male ass and mare

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