Which one is the branch of applied biology

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BAF Shaheen College Dhaka

Practice Pre-Test Examination-2020 Class: X (English Version

Subject: Biology (MCQ)

Time: 25 minutes Total Marks: 25

[N.B- Answer all the questions. Each question carries 1 mark. Block fully with ball point pen, the circle of the letter that stands for the correct/best answer in the ‘’Answer Sheet” for Multiple Choice Questions examination.]

1. Which one is the branch of applied biology?

a. Evolution c. Wild life

b. Genetics d. Physiology

2. In which phase of mitosis cell division dose the division of centromere start?

a. Prophase c. Metaphase

b. Pro- Metaphase d. Anaphase 3. Which enzymes are present in pancreatic juice?

a. Lypase, Lactose, Sucrose c. Trypsin, Amylase, Lipase

b. Amylase, Lipase, Mucin d. Lactose, Trypsin, Lipase 4. In which part of the Plastid is the sunlight entrapped?

a. Grana c. Stroma

b. Matrix d. Centriole 5. Ribosome –

i. Obtained in both animal & plant cell ii. Protect living cell from microorganism iii. Helps in protein synthesis

Which one is correct?

a. i & ii c. ii & iii

b. i & iii d. i , ii & iii 6. What is the full form of ICBN?

a. International Centre of Botanical Nomenclature

c. International Code of Biological Nomenclature

b. International Centre of Biological Nomenclature

d. International Code of Botanical Nomenclature

7. Which one of the following is reproduced by spores?

a. Diatom c. Nostoc

b. Yeast d. Bacteria 8. Arrenchyma tissues are filled with---

a. Pigment c. Air

b. Collenchyma d. Soil

Read the stem and answer question no 09 & 10:

Code : 138

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9. What type of cell division is shown in the figure?

a. Amitosis c. Meiosis

b. Mitosis d. Irregular 10. In which animal this type of cell division is found?

a. Bacteria c. Amoeba

b. Yeast d. Above all 11.. Ethylene influence-

i. Growth of seedling ii. Cell division iii. Shedding of leaves a. i & ii

c. ii & iii

b. i & iii d. i , ii & iii 12. How many percentage of CO2 is present in water?

a. 0.003 c. 0.03

b. 0.3 d. 0.003

13. How many ATP is produced in anaerobic respiration from one molecule of glucose?

a. 2 c.4

b. 3 d. 5 14. Where does Kreb’s cycle occur?

a. In Mitochondria c. In Ribosome

b. In Cytoplasm d. In Chloroplast 15. What is the optimum temperature for photosynthesis?

a.0⁰-22^o C c. 20⁰-35^o C

b. 22⁰-35^o C d. 20⁰-40^o C 16. From which gland is bile secreted?

a. Pancreas c. Liver

b. Stomach d. Salivary gland 17. Chlorosis is caused by –

i. nitrogen deficiency ii. sulfur deficiency iii. iron deficiency a. i & ii

c. ii & iii

b. i & iii d. i , ii & iii 18. What is the ideal BMI for health?

a. 12-16 c. 12- 18

b. 18- 25 d. 25- 30

19. Through which process cell wall become swelled up absorbing water?

a. Osmosis c. Transpiration

b. Diffusion d. Imbibition

3 20. What percentage of urine in water?

a. 60 c. 80

b. 70 d. 90 21. Which disease starts with convulsion?

a. Epilepsy c. Parkinson

b. Stroke d. Pneumonia 22. Cross pollination occurs-

i. in cotton plant ii. in papaya plant iii. in cucumber plant a. i & ii

c. ii & iii

b. i & iii d. i , ii & iii 23. When was the double helix model discovered by Watson and Crick?

a. 1950 c. 1953

b. 1952 d. 1954 Read the stem and answer question no 24 & 25:

24. How many food chains are there are in the diagram?

a. 1 c. 3

b. 2 d. 4 25. Which one is the consumer of second level?

a. Small fish c. Snake

b. Eagle d. Grasshopper