Biology

A constituent of the exhaust fumes from electricity generating sets which causes serious pollution is?

A. Carbon (II) Oxide B. Water Vapour C. Ozone D. Carbon (IV) Oxide Correct Answer: Option A - Carbon (II)…

5 years ago

One of the ways of controlling noise pollution in urban areas is?

A. by siting industries away from residential areas B. that fuel should be completely combusted by engines C. by planting…

5 years ago

The causative agent of Poliomyelitis is?

A. Virus B. Fungus C. Protozoan D. Bacterium Correct Answer: Option A - Virus

5 years ago

The soil with highest water-retaining capacity is?

A. Clayey Soil B. Stony soil C. Sandy soil D. Loamy Soil Correct Answer: Option A - Clayey Soil

5 years ago

Which of the following is a nitrogen-fixing blue-green algae of soil?

A. Rhizobium B. Nitrosomonas C. Clostridium D. Anabaena Correct Answer: Option D - Anabaena Explanation Anabaena is a genus of…

5 years ago

A severe and long dry season is a characteristic feature of?

A. Sahel Savanna B. Mangrove Swamps C. Sudan Savanna D. Guinea Savanna Correct Answer: Option A - Sahel Savanna

5 years ago

The study of how and why population size change over time is?

A. Population estimation B. Population dynamics C. Population ecology D. Population Cycle Correct Answer: Option B - Population dynamics

5 years ago

A characteristic feature of tropical rainforest is that it?

A. Contains trees with narrow leaves B. Contains large number of plant species C. Contains fewer number of plant species…

5 years ago

The major limiting factor of productivity in the aquatic habitat is?

A. Food B. Temperature C. Water D. Sunlight Correct Answer: Option A - Food

5 years ago

The genetic make-up of an organism is described as?

A. Allele B. Chromosome C. Phenotype D. Genotype Correct Answer: Option D - Genotype

5 years ago