9th Class Biology 4th Quarter Book Paper

Q1. Multiple choice questions (Attempt all · 12 × 1 = 12)

1. Female reproductive part of a flower is called:

   1. Androecium

   2. Gynoecium

   3. Calyx

   4. Corolla

2. lf is the value 155+160/2, then median of this value is:

   1. 157.5

   2. 157.6

   3. 157.7

   4. 157.9

3. Strawberry reproduce by using its:

   1. Bulbs 

   2. Stolon

   3. Tuber 

   4. Rhizome 

4. Which use of biostatistics help in planning vaccination campaigns:

   1. Predicting outcomes

   2. Public health 

   3. Policy making

   4. None

5. Which one is an artificial vegetative propagation:

   1. Bulbs

   2. Corms

   3. Rhizomes

   4. Grafting

6. Which helps to summarize and identify data set:

   1. Mean 

   2. Median

   3. Mode 

   4. All

7. Double fertilization involves;

   1. Fertilization of the egg by two male gametes

   2. Fertilization of two eggs in the same embryo sac by two sperms

   3. Fertilization of the egg and the fusion nucleus by two sperms

   4. Fertilization of the egg and the tube cell by two sperms

8. When the number of values in a data set is even, how is the median calculated?

   1. By choosing the middle value 

   2. By taking the average of the two middle values

   3. By selecting the most frequent value

   4. By adding all values and dividing by the total number of values

9. Planarians reproduce a sexually by:

   1. Binary fission 

   2. Reproduction 

   3. Respiration

   4. None

10. The middle value of a data set when the values are arranged in ascending or descending order is called:

    1. Mean

    2. Median

    3. Mode

    4. None above

11. Which of the following is NOT a part of carpel?

    1. Filament

    2. Style

    3. Stigma

    4. Ovary

12. When constructing a bar chart, which axis usually represents the categories?

    1. Vertical axis (y-axis)

    2. Horizontal axis (x-axis)

    3. Both axes equally represent the categories

    4. Neither axis represents the categories