BLAS questions

Natural Science VI semester

Questions for the Pre board exam 2065

Time 3 hours

Long question (attempt any two) 2X20=40

Describe the Oparin Haldane theory of origin of life.
Describe the theory of Natural selection with its limitation.
Discuss the strategies in the management of wildlife in Nepal.

Short questions (attempt any five) 5X8= 40
How is Chemistry related with Biology?
Describe Miller Urey experiment about origin of life.
Illustrate the use and disuse of organ in Lamarckism.
Give the meaning of a) Punnet Square b) Genotype
Why did Mendel select pea plant for his experiment.
Write down the role of forest.
Why are mountains important to us?
Write consequences of deforestation.




Model Questions for the Practice during Dashain vacation


Long question 20 Marks each

Describe the Oparin Haldane theory of origin of life.
Describe the Mendel’s Laws of Inheritance.
Describe the theory of Natural selection with its limitation.
Discuss the various scopes of Natural science.
Discuss the strategies in the management of wildlife in Nepal.
What is Law of Independent Assortment? Describe it with dihybrid cross of Mendel’s experiment.

Short questions (attempt any five) 8 marks each
How is Chemistry related with Biology?
Write short notes on spontaneous generation.
Describe Miller Urey experiment about origin of life.
Illustrate the use and disuse of organ in Lamarckism
Write a short note on survival of the fittest.
Describe Redi’s experiment. How does it prove Biogenesis?
Give the meaning of a) Punnet Square b) Genotype
Describe the monohybrid cross of Mendel’s experiment.
Describe the dihybrid cross of Mendel’s experiment.
Why did Mendel select pea plant for his experiment.
Write down the role of forest.
Write down the role of the river.
Write short account of any one National Park of Nepal.
What are the causes of Flood.
What are the strategies in the management of landslides
What are the protective measures to be carried out at the time of earth quake?
Why are mountains important to us?
How are the Himalayas different from mountains?
Write short note on mountain ecosystem
Write consequences of deforestation
Write short notes on special creation regarding origin of life.
The giraffe has long neck and long fore limb. What do this prove.?
Why have snakes lost legs?
Give name of four endangered animals of Nepal.