Advertisements
Advertisements
Name any two biodiversity hot spots in India.
Concept: Loss of Biodiversity
Draw a diagram of the microscopic structure of human sperm. Label the following parts in it and write their functions
(a) Acrosome
(b) Nucleus
(c) Middle piece
Concept: Gametogenesis
Describe the structure of a nucleosome.
Concept: Packaging of DNA Helix
What is ecological succession?
Concept: Biotic or Ecological Succession
Explain the carbon cycle with the help of a simplified model.
Concept: Biogeochemical Cycles (Nutrient Cycles)
Explain sex determination in human beings.
Concept: Sex Determination
What is ‘biofortification’?
Concept: Plant Breeding
What are transgenic animals?
Concept: Commercial Applications of Biotechnology
Construct an age pyramid which reflects an expanding growth status of human population.
Concept: Population
Define ‘Ecological succession’.
Concept: Biotic or Ecological Succession
Define organic evolution.
Concept: Theories of Origin of Life
Distinguish between ape and man.
Concept: Human Evolution
Objection to Darwin's theory of natural selection.
Concept: Darwinism
Give the full form of IAA.
Concept: Types of Plant Hormones: Auxins
Match the column A with B
| A | B | |
| i. | Epinasty of flower | GA3 |
| ii. | Natural auxin | NAA |
| iii. | Flowering in Litchi | IAA |
| iv. | Bolting of Beet | Ethylene |
Concept: Plant Hormones
Name the causative organism and preventive measures for Typhoid
Concept: Disease
Sketch and label the structure of Malpighian body.
Concept: Regulation of Kidney Function
Mention any four benefits of biogas.
Concept: Microbes in Energy Generation
Mention a product for human welfare obtained with the help of the following microbe:
Propionibacterium shermanii
Concept: Microbes in Human Welfare
Describe the steps of PCR technique.
Concept: Commercial Applications of Biotechnology
