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- Question
Which of the following pairs is mismatched?
Options- A. Hooke - cell theory
- B. van Leeuwenhoek - germ theory
- C. Lister - aseptic surgery
- D. Jenner - vaccines
- Correct Answer
- van Leeuwenhoek - germ theory
- 1. Important objective of biotechnology in agriculture section is _________
Options- A. % produce best resistant varieties of plant
- B. % increase the nitrogen content
- C. % decrease the seed number
- D. % increase the plant weight Discuss
- 2. Which of the following is an Abiotic factor?
Options- A. Plants
- B. Water
- C. Consumers
- D. Animals Discuss
- 3. Cellulose is a
Options- A. Mineral
- B. Protein
- C. Fat
- D. Carbohydrate Discuss
- 4. A vehicle born transmitted diseases are
Options- A. Plague and Malaria
- B. Chicken Pox and Tetanus
- C. Mumps and Common cold
- D. Eye infection and influenza Discuss
- 5. "Pellagra" is caused due to the deficiency of
Options- A. Niacin
- B. Riboflavin
- C. Thiamine
- D. Pyridoxine Discuss
- 6. Excretion is best described as the removal of
Options- A. Undigested material from the digestive tract
- B. Metabolic wastes from a cell
- C. Toxic wastes by the process of cyclosis
- D. Water molecules from dipeptide hydrolysis Discuss
- 7. Deep fried foods are carcinogenic because they are rich in
Options- A. Nicotine
- B. Hydrocarbons
- C. Fats
- D. All of the above Discuss
- 8. Source of infection in diseases like Tuberculosis, Mumps and Whooping cough is
Options- A. Direct contact
- B. Droplets of saliva
- C. Carrier organism
- D. A vector Discuss
- 9. Biological complete proteins are found in
Options- A. Potato, Onion, Carrot
- B. Apple, Egg, Wheat
- C. Rice, Meat, Butter
- D. Meat, Milk, Egg Discuss
- 10. Islets of Langerhans are present in
Options- A. Kidney
- B. Liver
- C. Pancreas
- D. Trachea Discuss
Biology problems
Search Results
Correct Answer: % produce best resistant varieties of plant
Correct Answer: Water
Explanation:
Abiotic and biotic factors are what make up an ecosystem.
Abiotic factors are all nonliving components of an ecosystem. These factors include chemical and geological features such as water or lack of water, soil, rocks, and minerals. Other abiotic factors include physical components such as the temperature and weather affecting the ecosystem.
The biotic factors in an ecosystem include all living things. All plants, animals, fungi, protists, and bacteria within an ecosystem make up that system's biotic factors. The biotic factors can be broken down further into producers, consumers, and decomposers.
The biotic factors present in an ecosystem are highly dependent on the abiotic factors that are present. Even slight changes to either factor can have a major consequence upon the system as a whole.
Correct Answer: Carbohydrate
Correct Answer: Plague and Malaria
Correct Answer: Niacin
Correct Answer: Metabolic wastes from a cell
Explanation:
Excretion is best described as the removal of Metabolic wastes from a cell.
Correct Answer: Fats
Explanation:
Deep fried foods are carcinogenic because they are rich in fats.
Correct Answer: Droplets of saliva
Correct Answer: Meat, Milk, Egg
Correct Answer: Pancreas
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