Question

Answer the following questions:-

4) What is coal tar?

5) Write one animal and plant source of carbohydrate.

6) What is axil of a plant?

7) Write the beneficial role of panchax fish.

8) Which plant has the hardest and driest stem and brunches?

9) Which disease is called black death?

10) Name one introduced species in India, which has strong effect on biodiversity ?
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Answer 1

Answer:

4.Coal tar is a thick dark liquid which is a by-product of the production of coke and coal gas from coal.

5. Animal : milk

plant : broccoli

6.An axil is the angle between the upper side of a leaf and the stem from which it grows.

7.is an excellent source of protein, has very little fat, carries a good amount of minerals and vitamins A and D and rich in iodine.

8. cactus

9.Bubonic Plague

Explanation:

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Answer 2

Answer:

4) coal tar is a thick dark liquid which is a by-product of the production of coke and coal gas from coal. It has both medical and industrial uses. Medicinally it is a topical medication applied to skin to treat psoriasis and seborrheic dermatitis (dandruff). It may be used in combination with ultraviolet light therapy.

5) Dairy- This is the one animal food that contains carbohydrate. Milk, cheese, and yogurt contain naturally-occurring lactose.

Any part of a plant that has not been processed further. ... Any oil derived from a plant or from a specific part of a plant.

6)axil. (Science: plant biology) The upper angle formed by a leaf or branch and the axis bearing it (main stem).

7) A wide range of organisms helps to regulate mosquito populations naturally through predation, parasitism and competition. As biological mosquito control agents, larvivorous fish (i.e., those that feed on immature stages of mosquitoes) are being used extensively all over the world since the early 1900s (pre DDT era)7.

8) A tree has a very hard, thick and woody stem.

9) The Black Death is believed to have been the result of plague, an infectious fever caused by the bacterium Yersinia pestis. The disease was likely transmitted from rodents to humans by the bite of infected fleas.

10)The key difference with introduced species are that they integrate into the native environment without negative effects to the surrounding ecosystem. Some examples of introduced species would be Bok Tower Garden's Azaleas and Camellias that we have on the grounds

Explanation:

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