List of top Questions asked in ICSE

A farmer notices that the leaves of his cabbage plants are curling up because of heavy infestation of aphids. Suggest one ecofriendly method to control their spread in the cabbage plants.

There were 770 frogs in a pond. 70 of them died within a month. Calculate the death rate of the population of frogs in the pond.

Meenu is suffering from a genetic disorder in which phenylpyruvic acid and its metabolites accumulate in blood. It causes impairment of nervous tissues. Which enzyme deficiency has caused this disorder in Meenu?

A scientist isolates a second restriction endonuclease from the strain DC3 of Helicobacter pyogenes. What would the scientist name it using the standard naming technique of restriction enzyme?

If the number of chromosomes in the cells of the calyx is 16, how many chromosomes will be formed in the endosperm after double fertilisation?

Zara is suffering from cough and has bluish lips. Her mucus is mixed with blood. What is the biological name of the causative organism responsible for Zara’s condition?

Explain the role of Restriction Endonucleases and Ligases in recombinant DNA technology.

Discuss the steps involved in Plant Breeding for developing disease-resistant varieties.

Explain Incomplete Dominance and Co-dominance with suitable examples.

Discuss DNA Fingerprinting steps and its forensic applications.

Describe the structure of a Nucleosome and the packaging of DNA.

Explain the life cycle of Plasmodium (Malaria) and the role of the female Anopheles mosquito.

Differentiate between Homologous and Analogous organs with examples of divergent and convergent evolution.

Explain Medical Termination of Pregnancy (MTP) and the legal conditions associated with it.

Describe the process of Oogenesis and compare it with Spermatogenesis.

Discuss the hormonal control of the Menstrual Cycle.

Describe the structure of a Microsporangium and the process of Microsporogenesis.

'TNCs have a detrimental effect on the environment'. Justify this statement by discussing any four ways in which TNCs play a negative role.

What is meant by Globalization? Discuss any six advantages of globalization. Also, give four impacts of globalization on the environment.

Define ecological footprint.

State any two points to highlight the role of Biosphere Reserves in conservation.

'Women empowerment can bring about a major change in human population'. Discuss.

What are the different techniques of monitoring air quality of a place? Discuss briefly any two of the methods.

Discuss four indicators of water quality and give one significance of each of them.