NEET (NTA)-National Eligibility cum Entrance Test (Medical) Biology: Questions 644 - 649 of 3511

Access detailed explanations (illustrated with images and videos) to 3511 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 750.00 or

How to register?

Question number: 644

» Diversity in Living World » What is Living? » Binomial Nomenclature

Edit
MCQ▾

Question

Binomial nomenclature means

Choices

Choice (4) Response

a.

Two names of same plant.

b.

One name given by two scientists.

c.

One scientific name consisting of a generic and specific epither.

d.

Two names, one latinised, other of a person.

Question number: 645

» Genetics and Evolution » Heredity and Variation » Mendelian Inheritance

Edit
MCQ▾

Question

In 1990 A. D. three biologists independently discovered Mendel’s principles. They are

Choices

Choice (4) Response

a.

Sutton, Morgan and Bridges.

b.

Bateson, Punnet and Bridgess.

c.

De Vries, Correns and Tschermak.

d.

Avery, McLeod and McCarthy.

Question number: 646

» Biotechnology and Its Applications » Genetic Engineering

Edit
MCQ▾

Question

Which one of the following bacteria is been found to be extensively used in genetic engineering work in plants?

Choices

Choice (4) Response

a.

Xanthomonas citri

b.

Clostridium septicum

c.

Protein coagulens

d.

Agrobacterium tumefaciens

Question number: 647

» Genetics and Evolution » Heredity and Variation » Chromosome Theory of Inheritance

Edit
MCQ▾

Question

Kappa particles indicate

Choices

Choice (4) Response

a.

Mutation

b.

Cytoplasmic inheritance

c.

Nuclear inheritance

d.

Nucleo-cytoplasmic inheritance

Question number: 648

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

Edit
MCQ▾

Question

Fern prothallus is

Choices

Choice (4) Response

a.

heteromorphic

b.

heterotrophic

c.

heterothallic

d.

homothallic

Question number: 649

» Ecology and Environment » Organisms and Environment » Population and Ecological Adaptations

Edit
MCQ▾

Question

What is a keystone species?

Choices

Choice (4) Response

a.

A rare species that has minimal impact on the biomass and on other species in the community.

b.

A species which makes up only a small proportion of the total biomass of a community, yet has a huge impact on the community’s organization and survival.

c.

A common species that has plenty of biomass, yet has a fairly low impact on the community’s organization.

d.

A dominant species that constitutes a large proportion of the biomass and which affects many other species.