What is repeated fission?

Write a short note on phases of life cycle.

What is LH surge?

What are primary reproductive organs? What role does they play in organisms?

May 28^th is celebrated as annual Menstrual Hygiene Day (MHD). State its importance

What is embryo transfer technique?

Mention the role of prolactin in lactational amenorrhoea.

'AB' Blood group individuals are called universal recipients. Justify

What is euphenics?

Explain the genetic basis of Phenylketonuria.

Distinguish replication and transcription.

Draw a simplified diagram of nucleosome and label it.

How can we determine the age of fossils?

What is a geological time scale?

How are viral diseases classified?

Differentiate between normal cells and cancer cells

What is biogasr?

Under which condition does a microbe gains resistance against antibiotic

What is gene therapy? Mention the types

Write a short note on stem cell banks.

a) What is pedosphere?
b) What is soil profile?

What are the four ways through which the living organisms respond to abiotic factor?

What is Red Data Book or Red list?

What are exotic species? Explain with example.

Define water pollution.

Write a note on 'Namami Ganga' programme.

Draw the diagram of a mature embryo sac and label the parts.

Point out the function of endosperm.

How many types of gametes are produced by heterozygous dihybrid plant with a genotype RrYy? Write them.

State Coupling and Repulsion theory.

"The process of arrangement if the same order genes more than one in the same chromosome."
1. What is the process known as?
2. Explain its types.

Mention any three algal species used for SCP production.

Briefly explain the surface sterilization of explants.

What is thermal stratification? Explain its types.

Being a tropical country, India is the largest producer of delicious mangoes. These mango tree don't grow in temperate countries. Give reason.

Explain the concept of trophic level in an ecosystem.

Nutrients are retained in the ecosystem. Discuss how and name the process through which it is achieved?

Suggest few ways to overcome global warming.

What makes the Trichoderma an effective bio-pesticide?

State the objective of using green manuring.

Mention the ways in which mangoes are used in Indian culinary.

Draw a immunoglobulin and label any 4 parts.