Question

I. Match the following: 1x5=5
Column A
Column B
1. Hydra
2. Broadcasting
a) hereditary information
b) budding
3. Biosphere reserves
c) biodegradable
4. Genes
d) scattering seeds
5. PHBV
e) habitat protection
IV. Very short answer questions: 1x5=5
1. Define metamorphosis.
2. What is manuring?
3. What are fossil fuels?
4. What is a polymer?
5. What do you understand by the term biodiversity?​

Answer 1

Answer:

I. 1. Hydra - Budding

2. Broadcasting - Scattering seeds

3. hereditary information - Genes

4. Biosphere reserves - habitat protection

5. Biodegradable - PHBV

ii. 1. Metamorphosis is a biological process by which an animal physically develops after birth or hatching, involving a conspicuous and relatively abrupt change in the animal's body structure through cell growth and differentiation

2. Manure is the decomposed form of dead plants and animals, which is applied to the soil to increase production. It is a natural form of fertilizer and is cost-effective. The human and animal excreta is also used as manure. The livestock manure is rich in nitrogen, phosphorus, and potassium.

3. A fossil fuel is a fuel formed by natural processes, such as anaerobic decomposition of buried dead organisms, containing organic molecules originating in ancient photosynthesis that release energy in combustion.

4. Polymer, any of a class of natural or synthetic substances composed of very large molecules, called macromolecules, that are multiples of simpler chemical units called monomers. Polymers make up many of the materials in living organisms, including, for example, proteins, cellulose, and nucleic acids.

5. Biodiversity is the variety and variability of life on Earth. Biodiversity is typically a measure of variation at the genetic, species, and ecosystem level. Terrestrial biodiversity is usually greater near the equator, which is the result of the warm climate and high primary productivity.

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