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ISC (Arts) Class 12 - CISCE Important Questions for Biology (Theory)

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Biology (Theory)
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Mention any three characteristics of Neanderthal man that lived in near east and central Asia.

Appears in 4 question papers
Chapter: [0.023] Evolution
Concept: Origin and Evolution of Man

Draw a labeled diagram of a mature embryo sac.

Appears in 3 question papers
Chapter: [0.013000000000000001] Human Reproduction
Concept: Embryo Development Upto Blastocyst Formation

State any three goals of the human genome project.

Appears in 3 question papers
Chapter: [0.022000000000000002] Molecular Basis of Inheritance
Concept: Human Genome Project

Define Parthenocarpy

Appears in 2 question papers
Chapter: [0.012] Sexual Reproduction in Flowering Plants
Concept: Significance of Seed Dispersal and Fruit Formation

What is spermatogenesis? Briefly describe the process of spermatogenesis.

Appears in 2 question papers
Chapter: [0.013000000000000001] Human Reproduction
Concept: Gametogenesis

Draw a diagram of the internal structure of the human ovary.

Appears in 2 question papers
Chapter: [0.013000000000000001] Human Reproduction
Concept: Microscopic Anatomy of Ovary

What is emasculation?

Appears in 2 question papers
Chapter: [0.032] Strategies for Enhancement in Food Production
Concept: Plant Breeding

What is a 'biopatent'? Explain it with a suitable example.

Appears in 2 question papers
Chapter: [0.042] Biotechnology and Its Applications
Concept: Ethical Issues

Give one significant contribution to the following scientists:

Prof. R. Mishra

Appears in 2 question papers
Chapter: [0.051] Organisms and Populations
Concept: Ecology (Organism, Population, Community and Biome)

What is Red Data Book?

Appears in 2 question papers
Chapter: [0.053] Biodiversity and Its Conservation
Concept: Biodiversity

What is symbiosis?

Appears in 1 question paper
Chapter: [0.011000000000000001] Reproduction in Organisms
Concept: Reproduction in Organisms

Explain the term perianth.

Appears in 1 question paper
Chapter: [0.011000000000000001] Reproduction in Organisms
Concept: Reproduction in Organisms

Give the biological name of the following: 

Baker’s yeast

Appears in 1 question paper
Chapter: [0.011000000000000001] Reproduction in Organisms
Concept: Types of Reproduction > Asexual Reproduction

The following question(s)/statement(s) has four suggested answers. Choose the correct option in the following case.

After fertilisation, the integuments of an ovule develop into : __________.

Appears in 1 question paper
Chapter: [0.011000000000000001] Reproduction in Organisms
Concept: Events in Sexual Reproduction in Organisms > Pre-fertilisation Events in Organisms

Differentiate between the following :

Spermatogenesis and oogenesis

Appears in 1 question paper
Chapter: [0.011000000000000001] Reproduction in Organisms
Concept: Events in Sexual Reproduction in Organisms > Pre-fertilisation Events in Organisms

What are seasonal breeders? Give an example.

Appears in 1 question paper
Chapter: [0.011000000000000001] Reproduction in Organisms
Concept: Types of Reproduction > Sexual Reproduction

How is the chromosome number maintained in sexually reproducing organisms?

Appears in 1 question paper
Chapter: [0.011000000000000001] Reproduction in Organisms
Concept: Types of Reproduction > Sexual Reproduction

State two advantages of vegetative propagation.

Appears in 1 question paper
Chapter: [0.011000000000000001] Reproduction in Organisms
Concept: Types of Reproduction > Asexual Reproduction

Give two differences between heartwood and sapwood.

Appears in 1 question paper
Chapter: [0.011000000000000001] Reproduction in Organisms
Concept: Reproduction in Organisms

Why is non-cyclic photo phosphorylation considered as a non-cyclic pathway?

Appears in 1 question paper
Chapter: [0.012] Sexual Reproduction in Flowering Plants
Concept: Introduction of Sexual Reproduction in Flowering Plants
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