Which one of the following pairs is wrongly matched while the remaining three are correct?

  • Penicillium - Conidia

  • Water hyacinth - Runner

  • Bryophyllum - Leat buds

  • Bryophyllum - Leat buds


B.

Water hyacinth - Runner

Water hyacinth and water lettuce are offset in which lateral branch is with short internodes and each node bears a rosette of leaves and tuff of roots.

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Biodiversity of a geographical region represents

  • endangered species found in the region

  • the diversity in the organism living in the region

  • genetic diversity present in the dominant species of the region

  • genetic diversity present in the dominant species of the region


B.

the diversity in the organism living in the region

Biodiversity is the term popularised by the sociobiologist Edward Wilson to describe the combined diversity at all the levels of biological organisation. The most important of the are genetic diversity, species diversity and ecological diversity.

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A collection of plants and seeds having diverse alleles of all the genes of a crop is called

  • germplasm

  • gene library

  • genome

  • genome


A.

germplasm

A germplasm is a collection of genetic resources for organisms. For plants, the germplasm may be stored as a seed collection.It includes diverse alleles of all the genes of an organism.

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Which one of the following shows maximum genetic diversity in India? 

  • Rice 

  • Maize

  • Mango

  • Mango


A.

Rice 

There are an estimated 2,00,000 varieties of rice in India alone. the diversity of rice in India is one of the richest in the world. Basmati rice has 27 documented varieties grown in India. 

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Mass of living matter at a trophic level in an area at any time is called. 

  • Detritus

  • Humus

  • Standing state

  • Standing state


D.

Standing state

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