Biology Question Paper 2019 Class 8
SECTION – A
Biology Question Paper 2019 Class 8
Attempt all the questions from this section
Question 1
a. Name the following:
- A disease caused in silkworm by Nosema bombycis.
- The largest artery in the human body.
- The globular structure produced by fungi which contain spores
- The father of the white revolution.
- The flower that bears both stamens and carpels.
b. Choose the correct answer from the following.
- ________ [ leaf / flower ] is the reproductive organ of the plant.
- Repeated cell division produces a mass of undifferentiated cells called
________ [ explant / callus ] - ________ [ root hairs / root cortex ] are the thread like structures that help to
absorb water. - ________ [ pulmonary / systemic ] circulation is the flow of blood from
the heart to the lungs and back to the heart again. - The Murrah breed is considered as the best breed among _________
[ buffaloes / cows ]
c. State the function of the following.
- Stigma
- Sieve plates
- Valves of the heart
- Stomata
- Sepals
d. Complete the following table
| Sl.no | Group | Odd one | Category of |
| 1 | Pine, wheat, rose, oak | 1 | 2 |
| 2 | Blood, heart, lymph, blood vessel | 3 | 4 |
| 3 | Raniket, Aspergillosis, Fowlpox, Anthrax | 5 | 6 |
| 4 | Magnesium, iron, zinc, manganese | 7 | 8 |
| 5 | Camel, sheep, donkey, horse | 9 | 10 |
e. Match the following
- Tuber a] Indian breed of sheep
- Rampuri b] gladiolus
- Plasma membrane c] semipermeable membrane
- Fluid connective tissue d] blood
- Corm e] Freely permeable membrane
f] Indian breed of goat
g] Underground stem
Question 2
a. Observe the diagram given below and answer the following questions.
- Name the fluid present between the two walls of the pericardium and state
any two functions. - Label the parts 1-4.
- State the function of the part labelled 4
- What is the type of blood carried in the part labelled 2 and 3.
