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What is known as Green Lungs(a) Forests (b) Plants (c) Leaves (d) Wood
Forest is known as Green Lungs.
Explanation- A forest is a large area with a high density of trees and underbrush, that's why it is known as Green Lungs.
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- Which of the following serve as green lungs?(a) Green pigment of the plants(b) Forests(c) Kitchen gardens(d) Greenhouse gases
- Which pigment is present universally in all the green plants?(a.) Chlorophyll a(b.) Chlorophyll b(c.) Chlorophyll c(d.) Chlorophy11 d
- The science of heredity is known as:(a) biology (b) embryology (c) genetics (d) biochemistry
- What percentage of sun's energy falling on the leaves of green plants is utilised by the plants in the process of photosynthesis and stored as chemical energy of food?(a) 99 per cent (b) 10 per cent (c) 1 per cent (d) 20 per cent
- (a) What are the short fibres of a neuron known as?(b) What is the long fibre of a neuron known as?
- Green plants obtain their food from(a) Photosynthesis(b) Saprotrophic process(c) Heterotrophic process(d) Symbiotic process
- The visible characteristic in an organism is known as:(a) prototype (b) stereotype (c) phenotype (d) genotype
- The process of obtaining food by Amoeba is known as:(a) dialysis (b) cytokinesis (c) phagocytosis (d) amoebiasis
- The device used for measuring potential difference is known as :(a) potentiometer(b) ammeter(c) galvanometer(d) voltmeter
- Cardiovascular system is also known as(a) Digestive system(b) Excretory system(c) Circulatory system(d) Nervous system
- Name two plants whose leaves are eaten as food (as vegetables).
- Which of the following statement is incorrect?(a) all green plants and blue green algae are producers(b) green plants get their food from readymade organic compounds(c) producers prepare their own food from inorganic compounds(d) plants convert solar energy into chemical energy
- The oxygen liberated during photosynthesis by green plants comes from:(a) glucose (b) water (c) carbon dioxide (d) chlorophyll
- The disease kala-azar is caused by a micro-organism known as:(a) Planaria (b) Leech (c) Leishmania (d) Plasmodium
- Unicellular organisms with a proper nucleus are known as:(a) Protista(b) Monera(c) Fungi(d) Algae
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