
Biology Revision Quiz 2
Quiz by Swati Parab
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1. Cell size increases and becomes almost doubledue to the increase in the volume of
2. Liver cells divide once every ………………. to replace the damaged cells.
3. During this phase of karyokinesis each chromosome duplicates to form two sister chromatids. Which phase is it?
4. Select the correct statement about G1 or first growth phase.
5. Which of the following statements is incorrectabout mitotic division in plant cells?
6. The pairing of homologous chromosomes is known as……….. .
7. Homologous chromosomes which are present in male and female both are known as
8. A………. is a basic unit of heredity or inheritance of a character passed from parents to offsprings via chromosomes.
9. A man receives his X chromosomes from
10. Who had proposed this theory that DNA is a large molecule consisting of two polynucleotide strands, complimentary in nature, wound around each other in a double helix?
11. Chromatin is composed of
12. The movement of water molecules from a region of their higher concentration to their lower concentration through a semi-permeable membrane is called
13. The pressure required to completely stop the entry of water into a solution across a semi-permeable membrane is called
14. If the water potential of the soil solution is more negative than the cell sap of the root cells, what response do you expect?
15. Passive absorption of water from the soil by root hair is mainly affected by
16. If the concentration of dissolved solute is more in the surrounding solution than in the cells, then the solution is said to be (a) (b) (c) (d)
17. When the concentration of soil solutes is low, the absorption of water
18. What causes shoot to droop down and leaves wilt away?
19. What causes sunflowers to bend towards the Sun?
20.Shrinkageor contraction of the cytoplasm (cell content) of a cell from its cell wall when placed in a hypertonic solution is called
21. Most of the transpiration occurs in tall trees through
22. Which device is used to measure the rate of water intake by plants?
23. Which of the following processes lowers the temperature of the plants?
24. The photochemical phase of photosynthesis takes place in
25. What does this graph show about the rate of photosynthesis? Choose the correct option.

26. Sickle cell anemia, a blood disorder characterized by red blood cells that assume an abnormal, rigid, sickle shape is caused due to
27. The term genetics was first coined in 1905 by
28. Externally visible expression of a gene, which is an inherited feature in an individual’s appearance is called
29. In peas, a pure tall plant (TT) is crossed with a short plant(tt). The ratio of pure tall plants to short plants in F2 is
30. Diseases such as colour blindness and haemophilia are caused by recessive alleles located on the