BIOLOGY SAMPLE MCQ QUESTION CLASS XI

BIOLOGY SAMPLE MCQ QUESTION CLASS XI

Time : 1½ hours M.M.: 25 marks

General Instructions

(i) The question paper comprises of 25 questions, each question carries 1 mark.

(ii) All the multiple choice questions with only one correct answer.

(iii) Read the questions carefully and tick mark the correct/most appropriate answer.

(iv) All questions are compulsory.

1. Monocotyledonous plants show which of the following feature :

• leaves show reticulate venation

• tap root system

• always perennial growth

• flowers are trimerous

2. Pinus belongs to the group of plants which :

• grow in tropical regions

• reproduce with the help of cones

• do not have any mycorrhizae

• annually growing plants

3. Name of the characteristic which is true for Spirogyra :

• found in marine conditions

• parasitic in nature

• Colourless

• filamentous and spiral shaped chloroplast

4. Compound microscope :

• has two lenses

• requires ultraviolet source of light

• used to view only dead organisms

• requires large room space

5. Which characteristic is applicable for yeast :

• multicellular

• has chlorophyll

• grows in sewage waters

• used in bakery industry

6. Osmosis is the phenomenon where :

• water moves from its region of higher concentration to lower concentration

• water moves through a semi-permeable membrane

• occurs only in salt solution

• both 'a' and 'b' conditions apply

7. Which characteristic is applicable for yeast :

• Peeled raw potato

• Unpeeled raw potato

• Boiled peeled potato

• Boiled unpeeled potato

8. Which one of the following options is essential to demonstrate aerobic respiration?

• Dry seeds, KOH in airtight flask

• Germinating seeds, KOH in airtight flask

• Dry seeds, KOH is open flask

• Germinating seeds, KOH in open flask

9. Which one of the following represent the characteristics of a shark :

• Ventral mouth, symmetrical tail

•  Asymmetrical tail, operculum

•  Operculum present and symmetrical tail

•  Dorsal mouth, operculum absent

10. The stage of mitosis in which spindle formation takes place and chromosomes lie on equatorial plate is :

•                     Telephase

•                      Anaphase

•                      Metaphase

•                      Interphase

11. The stage of mitosis in which daughter chromosomes become V, J, L or I shaped, depending upon the position of centromere is :

•                      Prophase

•                      Telophase

•                      Anaphase

•                      Interphase

12. The adventitious roots that arise from few nodes near the base of the aerial stem are known as :

• Prop roots

• Stilt roots

• Fasciculated roots

• Tuberous roots

13. Rhizome is a modified stem because :

• it grows vertically upwards in the soil and it has fleshy leaves

• it has nodes and it has eyes which bears germinating buds

• it's stem in highly condensed and disc like

• it has nodes, internodes and has brown scaly leaves

14. Which one of the following options is characteristic of racemose inflorescence?

• Main axis elongated and basipetal succession of flowers

• Main axis terminates in a flower which are in acropetal succession

• Main axis does not terminate into a flower and flowers show basipetal succession

• Main axis is elongated, does not terminate into a flower and flowers are arranged in acropetal succession

15. Which one of the following food items would you be confirming when you obtain a reddish orange colour by adding 2 ml of million's reagent to 2 ml of food solution?

• Starch

• Sucrose

• Fat

• Protein

16. Ramesh took 2 ml of juice 'A' in a test tube and added 2 ml of Benedicts' solution to it. He obtained orange red precipitate on heating. The test confirmed presence of which of the following in juice A?

Glucose

Starch

Protein

Fat

17. The identifying features of carrot roots are :

• Conical with small roots

• Conical without small roots

• Round with small roots

• Irregular with no roots

18. To demonstrate imbibitions in gram the changes observed are :

• The weight of gram seeds increase and surface become smooth

• The weight of gram seeds increase and their surface remain unchanged

• The weight of the seed and its surface remain unchanged

• The weight of the gram seeds remain unchanged and surface become wrinkled

19. Given below is a list of identifying features :

(i) Body surface show distinctly marked segments or rings.

(ii) Body is divided into head, thorax and abdomen.

(iii) Show closed circulatory system.

(iv) Body show bilateral symmetry The characteristic that are shown by an earthworm are :

a. (i), (ii), (iii), (iv)

b. (i), (ii), (iv)

c. Only (i), (ii)

d. (i), (iii), (iv)

20. Select the feature that is not present in a Asterias (Star fish) :

• water vascular system

• endoskeleton of calcareous ossicles

• mouth on the ventral side

• a well developed excretory system

21. Which of the following features is present in frog?

• Two pairs of limbs with 5 toes in each

• Two pairs of limbs with 4 toes in each

• Two pairs of limbs with 4 toes in hind limb are 5 toes in fore limb

• Two pairs of limbs with 4 toes in fore limbs and 5 toes in hind limbs

22. You are provided a model showing valvate aestivation. Which of the following steps would be required to change it into an imbricate aestivation?

• Rearrange the edges of one petal completely in and all others remain unchange

• Rearrange the edge of one petal completely in and one petal completely out and others remain unchanged

• Rearrange the edges of one petal completely in, edges of the third petal completely out and of the 4th petal in twisted arrangement

• Rearrange one petal in twisted from and other remain unchanged

23. The type of joint present between the humerus and pectoral girdle is :

• Hinge joint

• Pivot joint

• Fibrous joint

• Ball and socket joint

24. Which type of joint is present between two adjacent vertebrae?

• Synovial joint

• Cartilaginous joint

• Fibrous joint

• Pivot joint

25. Each Mitotic division ends with formation of :

• Two daughter cells

• Four daughter cells

• Eight daughter cells

Sixteen daughter cells

Skills tested