NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 865 - 870 of 3513

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Question number: 865

» Genetics and Evolution » Heredity and Variation » Mendelian Inheritance

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MCQ▾

Question

A farmer crossed a walnut combed chicken with a single combed one and obtained all walnut combed chickens in F1. The genotype of the parents was

Choices

Choice (4)Response

a.

RR pp x rr PP

b.

RR Pp x rr pp

c.

RR pp x rr pp

d.

Rr Pp x rr pp

Question number: 866

» Genetics and Evolution » Heredity and Variation » Mendelian Inheritance

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MCQ▾

Question

Mendel’s law of segregation is applicable to

Choices

Choice (4)Response

a.

Dihybrid cross only.

b.

Dihybrid but not monohybrid.

c.

Monohybrid cross only.

d.

dihybrid and monohybrid cross

Question number: 867

» Biotechnology and Its Applications » Genetically Modified Organisms

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MCQ▾

Question

Cultivation of Bt Cotton has been much in the news. The prefix “Bt” means

Choices

Choice (4)Response

a.

Carrying an endotoxin gene from Bacillus thurigiensis.

b.

“Barium-treated” cotton seeds.

c.

“Bigger thread” variety of cotton with better tensile strength

d.

Production by “biotechnology” using restriction enzymes and ligases.

Question number: 868

» Human Physiology » Excretory Products and Their Elimination » Urine Formation

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MCQ▾

Question

In micturition

Choices

Choice (4)Response

a.

Ureter relaxes.

b.

Urethra relaxes.

c.

Urethra contracts.

d.

Ureter contracts.

Question number: 869

» Diversity in Living World » Five Kingdom Classification » Plant Group - Bryophytes

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MCQ▾

Question

Leafy gametophytes is formed from protonema in

Choices

Choice (4)Response

a.

Marchantia

b.

Anthoceros

c.

Riccia

d.

Funaria

Question number: 870

» Plant Physiology » Plant Growth and Development » Growth Regulators-Auxin, Gibberellin, Cytokinin, Ethylene, ABA

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MCQ▾

Question

An excised leaf does not turn yellow if it is induced to root. This is attributed to synthesis it root of OR Leaf ageing is retarded by

Choices

Choice (4)Response

a.

Gibberellins

b.

Auxins

c.

Cytokinins

d.

Ethylene

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