General Science Class 10

The Genetic constitution of a trait is called :

1. Genotype
2. Phenotype
3. Genome
4. Phenyl

The life sustaining envelop of earth is :

1. Biomass
2. Biomes
3. Biosphere
4. Atmosphere

An area where community interacts with non-living environment is called?

1. Community
2. Ecology
3. Ecosystem
4. Biome

Any biological region recognized by its climate or vegetation is called?

1. Ecosystem
2. Biomes
3. Biosphere
4. Biomass

The transfer of food material from producers through some organisms with repeated eating and being eaten is called?

1. Food pyramid
2. Food chain
3. Food web
4. Ecological pyramid

The elements in ecosystem recycle through organisms with environment is called :

1. Food chain
2. Food web
3. Chemical cycle
4. Biogeochemical

Process where nitrogenous compound of living organism convert into nitrates is called?

1. Ammonification
2. Nitrification
3. Denitrification
4. Deamination

The cold war between the organisms of a community occupying the same habitat is called :

1. Predation
2. Competition
3. Mutualism
4. Commensalism

The amount of solid waste or concentration of gases other than oxygen increase in atmosphere is called?

1. Air pollution
2. Ozone depletion
3. Acid rain
4. Greenhouse effect

The artificial manipulation, medication and recombination of DNA :

1. Genetic engineering
2. Biotechnology
3. Molecular Biology
4. Genetics