1. What does the term “Bio diversity” mean?
- (a) Life
- (b) diversity
- (c) both of these
- (d) Italian
2. The variety of organisms present in different ecosystems is called?
- (a) Biophysics
- (b) bio-economic
- (c) Biodiversity
- (d) hypothesis
3. Which of the following is the importance of biodiversity?
- (a) Food for human beings
- (b) production of drugs
- (c) Both of these
- (d) none of these
4. Neomycin and erythromycin are derived from?
- (a) Fungi
- (b) Algae
- (c) both of these
- (d) none of these
5. Biodiversity is the essential component of?
- (a) Biology
- (b) Zoology
- (c) Ecosystem
- (d) none of these
6. There are ___plants which depend on the bees for pollination.
- (a) 110000
- (b) 120,000
- (c) 110,000
- (d) 109,000
7. The method by which biologists divide organisms into groups and subgroups on the basis o’ similarities and differences?
- (a) Biodiversity
- (b) classification
- (C) division
- (d) none of these
8. Who classified organisms based on habitat?
- (a) Karl Marx
- (b) Bu ali sina
- (c) Aristotle
- (d) none of these
9. Swedish naturalist Carolus Linnaeus proposed a system of different ranks or levels for the classification of organisms. What are such ranks called?
- (a) Taxa
- (b) Taxon
- (c) both of these
- (d) none of these
10. Which of the following is the basic and smallest calcification unit?
- (a) Taxa
- (b) Protista
- (c) Species
- (d) groups
11. Is the disease of osteoporosis due to a deficiency?
- (a) Vitamin-A
- (b) vitamin-D
- (c) calcium
- (d) both B and C
12. Which of the following diseases is caused by a deficiency of iodine?
- (a) Goiter
- (b) Beriberi
- (c) anemia
- (d) marasmus
13. The deficiency of which macronutrients cause chlorosis in plants?
- (a) Carbon
- (b) oxygen
- (c) nitrogen
- (d) calcium
14. Plants need all the following elements in very small amounts (micronutrients except?
- (a) Hydrogen
- (b) Iron
- (c) chlorine
- (d) copper
15. Which substance is used by plants to make proteins?
- (a) Carbon dioxide
- (b) oxygen
- (c) Nitrates
- (d) vitamins
16. What happens when food reaches the stomach?
- (a) No digestion occurs in the stomach
- (b) The food moves quickly into the small intestine
- (c) Juices mix with the food, and stomach muscles squeeze it
- (d) The food is very completely digested and is absorbed into the circulatory system
17. Which of the following does not manufacture digestive juices?
- (a) Oesophagus
- (b) stomach
- (c) pancreas
- (d) intestine
18. What is observed from the material when it is in the larte intestine?
- (a) Water
- (b) vitamins
- (c) salts
- (d) all of these
19. Which of the following is NOT a function of salivary glands?
- (a) Start digestion of proteins
- (b) helps in the lubrication
- (b) Secrete salvia
- (d) makes taste possible
20. The cardiac sphincter serves as a value between?
- (a) Stomach and duodenum
- (b) esophagus and stomach
- (c) Duodenum and ileum
- (d) jejunum and caecum
21. function of the liver is to?
- (a) Metabolize carbohydrates, lipids and proteins
- (b)Break mature red blood cells
- (c)Detoxify the chemicals
- (d)All of these
22. The digestive enzyme pepsin secreted by gastric glands begins the digestion of?
- (a) Carbohydrates
- (b) proteins
- (c) Fats
- (d) vitamins
23. Which of the following converts proteins into polypeptide and shorter polypeptide chains within the stomach?
- (a) Amylase
- (b) pepsin
- (c) trypsin
- (d) lipase
24. Which of the following converts partially digested proteins into amino acids in the small intestine?
- (a) Amylase
- (b) pepsin
- (c) trypsin
- (d) lipase
25. Which one converts maltose into glucose?
- (a) Maltase
- (b) pepsin
- (c) trypsin
- (d) lipase
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