1.

Name the following

One combined vaccine given to babies which helps build immunity against three common diseases.

Name the following

Name the following

The hormone that releases glucose into the blood.

Name the following

Name the following

State whether the following statements are true or false. If false, write the correct statement by changing the first word only.

A.

Respiration is the only biological process in which oxygen is produced.

B.

Oxygen is the energy currency of a living cell.

C.

Iron is the mineral element responsible for the clotting of blood.

D.

Iron is the mineral element responsible for the clotting of blood.

E.

Testosterone is an androgen.

Given. below are six sets, with four terms each. In each set, one term is odd and cannot be grouped into the category to which the other three belong. Identify the odd one in each set and name the category to which the remaining three belong. The first one has been done for you as an example.

Given alongside is a diagrammatic representation of the Nitrogen cycle in nature. Study the same and answer the questions that follow:

(i) Name the compound A that is formed during a thunderstorm.

(ii) Name the compound absorbed by plants B that is released in the soil by the decay of plants.

(iii) Name the process C that is responsible for B being converted back to nitrogen.

(iv) What are nitrifying bacteria?

(v) State the role played by leguminous plants in the Nitrogen cycle. 

(e) Given below in the box are a set of 12 biological terms which can be matched into 6 pairs. Of the six pairs, one has been done for you as an example. Write out the remaining 5 matching pairs made by you as ‘1 to 5’.

Example : Nephron—Kidney. 

Give the exact location and one function of each of the following structures:

(i) Stoma

(ii) Seminiferous tubules

(iii) Apical meristem

(iv) Pinna